DETERMINING SHORT TO POWER SUPPLY LOCATION (CAN-BUS No.1) [TYPE-B (R.H.D.)]


id100271001900

Caution
•  Perform the following malfunction diagnosis only when it is diagnosed with a short to ground by CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (R.H.D.)]. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (R.H.D.)].)

System Wiring Diagram

ac9wzw00006451

Determination Procedure

Caution
•  When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.
•  When inspecting the connector, touch it with a paper clip or similar thin pin without directly inserting a tester probe into the terminal.
•  Disconnect the negative battery terminal before performing any work that requires handling of connectors.

Step

Inspection

Action

1
INSPECT FOR SHORT TO POWER SUPPLY BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER
•  Disconnect the negative battery terminal.
•  Disconnect connector 2 which has front body control module (FBCM) terminals 2K and 2I
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Go to Step 11.
2
INSPECT CAN LINE BETWEEN TCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Measure the voltage at TCM terminals E and F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 5.
No
Go to the next step.
3
INSPECT CAN LINE BETWEEN TCM AND CONNECTOR C-01 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-01.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at TCM terminals E and F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted to the power supply.
No
Go to the next step.
4
INSPECT TCM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the TCM connector.
•  Connect connector C-01.
•  Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the TCM because there is a short to the power supply in the TCM.
No
Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted to the power supply.
5
INSPECT CAN LINE BETWEEN PCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Measure the voltage at PCM terminals 2AK and 2AL.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the front body control module (FBCM) because there is a short to the power supply in the front body control module (FBCM).
No
Go to the next step.
6
INSPECT CAN LINE BETWEEN CONNECTOR C-42 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-42.
•  Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the front body control module (FBCM) and connector C-42 because the wiring harness is shorted to the power supply.
7
INSPECT CAN LINE BETWEEN DSC HU/CM AND CONNECTOR C-42 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at DSC HU/CM terminals C and D.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 9.
No
Go to the next step.
8
INSPECT DSC HU/CM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the DSC HU/CM connector.
•  Connect connector C-42.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the DSC HU/CM because there is a short to the power supply in the DSC HU/CM.
No
Repair or replace the wiring harness between DSC HU/CM and connector C-42 because the wiring harness is shorted to the power supply.
9
INSPECT CAN LINE BETWEEN RADAR UNIT AND CONNECTOR C-42 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at radar unit terminals D and C.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 61.
No
Go to the next step.
10
INSPECT RADAR UNIT FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the radar unit connector.
•  Connect connector C-42.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the radar unit because there is a short to the power supply in the radar unit.
No
Repair or replace the wiring harness between radar unit and connector C-42 because the wiring harness is shorted to the power supply.
11
INSPECT CAN LINE BETWEEN CONNECTORS C-43, C-44 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-43, C-44.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 16.
No
Go to the next step.
12
INSPECT CAN LINE BETWEEN ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE AND CONNECTORS C-43, C-44 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at adaptive LED headlights control module terminals L and M. (with adaptive LED headlights)
•  Measure the voltage at auto leveling control module terminals A and B. (without adaptive LED headlights)
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 14.
No
Go to the next step.
13
INSPECT ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Connect connectors C-43, C-44.
•  Disconnect the adaptive LED headlights control module / auto leveling control module connector.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the adaptive LED headlights control module / auto leveling control module because there is a short to the power supply in the adaptive LED headlights control module / auto leveling control module.
No
Repair or replace the wiring harness between the adaptive LED headlights control module / auto leveling control module and connectors C-43, C-44 because the wiring harness is shorted to the power supply.
14
INSPECT CAN LINE BETWEEN DC-DC CONVERTER (i-ELOOP) AND CONNECTORS C-43, C-44 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at DC-DC converter (i-ELOOP) terminals 1M and 1N.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the front body control module (FBCM) and connectors C-43, C-44 because the wiring harness is shorted to the power supply.
No
Go to the next step.
15
INSPECT DC-DC CONVERTER (i-ELOOP) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Connect connectors C-43, C-44.
•  Disconnect the DC-DC converter (i-ELOOP) connector.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the DC-DC converter (i-ELOOP) because there is a short to the power supply in the DC-DC converter (i-ELOOP).
No
Repair or replace the wiring harness between the DC-DC converter (i-ELOOP) and connectors C-43, C-44 because the wiring harness is shorted to the power supply.
16
INSPECT CAN LINE BETWEEN CONNECTOR C-07 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-07.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connector C-07 and connectors C-43, C-44 because the wiring harness is shorted to the power supply.
No
Go to the next step.
17
INSPECT CAN LINE BETWEEN CONNECTORS C-47, C-48 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-47, C-48.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Go to Step 21.
18
INSPECT CAN LINE BETWEEN REAR POWER SEAT CONTROL MODULE (LH) AND CONNECTORS C-47, C-48 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at rear power seat control module (LH) terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connectors C-47, C-48 and connector C-07 because the wiring harness is shorted to the power supply.
No
Go to the next step.
19
INSPECT CAN LINE BETWEEN REAR POWER SEAT CONTROL MODULE (LH) AND CONNECTOR C-64 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-64.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at rear power seat control module (LH) terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connectors C-47, C-48 and connector C-64 because the wiring harness is shorted to the power supply.
No
Go to the next step.
20
INSPECT REAR POWER SEAT CONTROL MODULE (LH) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the rear power seat control module (LH) connector.
•  Connect connector C-64.
•  Connect connectors C-47, C-48.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the rear power seat control module (LH) because there is a short to the power supply in the rear power seat control module (LH).
No
Repair or replace the wiring harness between the rear power seat control module (LH) and connector C-64 because the wiring harness is shorted to the power supply.
21
INSPECT CAN LINE BETWEEN CONNECTORS C-54, C-55 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-54, C-55.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Go to Step 24.
22
INSPECT CAN LINE BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-54, C-55 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at electric parking brake control module terminals 2G and 2F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connectors C-47, C-48 and connectors C-54, C-55 because the wiring harness is shorted to the power supply.
No
Go to the next step.
23
INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the electric parking brake control module connector.
•  Connect connectors C-54, C-55.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the electric parking brake control module because there is a short to the power supply in the electric parking brake control module.
No
Repair or replace the wiring harness between the electric parking brake control module and connectors C-54, C-55 because the wiring harness is shorted to the power supply.
24
INSPECT CAN LINE BETWEEN CONNECTORS C-79, C-80 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-79, C-80.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
•  Go to Step 28. (with power liftgate (PLG) system)
•  Go to Step 37. (without power liftgate (PLG) system)
25
INSPECT CAN LINE BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-79, C-80 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at position memory control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connectors C-79, C-80 and connectors C-54, C-55 because the wiring harness is shorted to the power supply.
No
Go to the next step.
26
INSPECT CAN LINE BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTOR C-29 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-29.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at position memory control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connectors C-79, C-80 and connector C-29 because the wiring harness is shorted to the power supply.
No
Go to the next step.
27
INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the position memory control module connector.
•  Connect connector C-29.
•  Connect connectors C-79, C-80.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the position memory control module because there is a short to the power supply in the position memory control module.
No
Repair or replace the wiring harness between the position memory control module and connector C-29 because the wiring harness is shorted to the power supply.
28
INSPECT CAN LINE BETWEEN CONNECTORS C-81, C-82 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-81, C-82.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Go to Step 37.
29
INSPECT CAN LINE BETWEEN CONNECTORS C-81, C-82 AND REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Measure the voltage at rear one-touch walk-in control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 32.
No
Go to the next step.
30
INSPECT CAN LINE BETWEEN CONNECTOR C-63 AND REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-63.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at rear one-touch walk-in control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connectors C-81, C-82 and connector C-63 because the wiring harness is shorted to the power supply.
No
Go to the next step.
31
INSPECT REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the rear one-touch walk-in control module connector.
•  Connect connector C-63.
•  Connect connectors C-81, C-82.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the rear one-touch walk-in control module because there is a short to the power supply in the rear one-touch walk-in control module.
No
Repair or replace the wiring harness between the rear one-touch walk-in control module and connector C-63 because the wiring harness is shorted to the power supply.
32
INSPECT CAN LINE BETWEEN REAR POWER SEAT CONTROL MODULE (RH) AND CONNECTORS C-81, C-82 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at rear power seat control module (RH) terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 35.
No
Go to the next step.
33
INSPECT CAN LINE BETWEEN REAR POWER SEAT CONTROL MODULE (RH) AND CONNECTOR C-65 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-65.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at rear power seat control module (RH) terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between the connectors C-81, C-82 and connector C-65 because the wiring harness is shorted to the power supply.
No
Go to the next step.
34
INSPECT REAR POWER SEAT CONTROL MODULE (RH) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the rear power seat control module (RH) connector.
•  Connect connector C-65.
•  Connect connectors C-81, C-82.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the rear power seat control module (RH) because there is a short to the power supply in the rear power seat control module (RH).
No
Repair or replace the wiring harness between the rear power seat control module (RH) and connector C-65 because the wiring harness is shorted to the power supply.
35
INSPECT CAN LINE BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND CONNECTOR C-19 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-19.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at power liftgate (PLG) control module terminals 1B and 1A.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connector C-19 and connectors C-79, C-80 and connectors C-81, C-82 because the wiring harness is shorted to the power supply.
No
Go to the next step.
36
INSPECT POWER LIFTGATE (PLG) CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the power liftgate (PLG) control module connector.
•  Connect connector C-19.
•  Connect connectors C-81, C-82.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the power liftgate (PLG) control module because there is a short to the power supply in the power liftgate (PLG) control module.
No
Repair or replace the wiring harness between the power liftgate (PLG) control module and connector C-19 because the wiring harness is shorted to the power supply.
37
INSPECT CAN LINE BETWEEN CONNECTORS C-83, C-84 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-83, C-84.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
•  Repair or replace the wiring harness between connectors C-83, C-84 and connectors C-81, C-82 because the wiring harness is shorted to the power supply. (with power liftgate (PLG) system)
•  Go to the next step. (without power liftgate (PLG) system)
No
Go to Step 41.
38
INSPECT CAN LINE BETWEEN CONNECTORS C-83, C-84 AND REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Measure the voltage at rear one-touch walk-in control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connectors C-83, C-84 and connectors C-79, C-80 because the wiring harness is shorted to the power supply.
No
Go to the next step.
39
INSPECT CAN LINE BETWEEN CONNECTOR C-63 AND REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-63.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at rear one-touch walk-in control module terminals 1C and 1E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connectors C-83, C-84 and connector C-63 because the wiring harness is shorted to the power supply.
No
Go to the next step.
40
INSPECT REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the rear one-touch walk-in control module connector.
•  Connect connector C-63.
•  Connect connectors C-83, C-84.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the rear one-touch walk-in control module because there is a short to the power supply in the rear one-touch walk-in control module.
No
Repair or replace the wiring harness between the rear one-touch walk-in control module and connector C-63 because the wiring harness is shorted to the power supply.
41
INSPECT CAN LINE BETWEEN CONNECTORS C-51, C-52 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-51, C-52.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Go to Step 44.
42
INSPECT CAN LINE BETWEEN 4WD CONTROL MODULE AND CONNECTORS C-51, C-52 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at 4WD control module terminals G and H.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connectors C-51, C-52 and connectors C-83, C-84 because the wiring harness is shorted to the power supply.
No
Go to the next step.
43
INSPECT 4WD CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the 4WD control module connector.
•  Connect connectors C-51, C-52.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the 4WD control module because there is a short to the power supply in the 4WD control module.
No
Repair or replace the wiring harness between the 4WD control module and connectors C-51, C-52 because the wiring harness is shorted to the power supply.
44
INSPECT CAN LINE BETWEEN CONNECTOR C-14 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-14.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connector C-14 and connectors C-51, C-52 because the wiring harness is shorted to the power supply.
No
Go to the next step.
45
INSPECT CAN LINE BETWEEN CONNECTOR C-14 AND CONNECTOR C-45 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-45.
•  Connect connector C-14.
•  Connect connectors C-51, C-52.
•  Connect connectors C-83, C-84.
•  Connect connectors C-81, C-82. (with power liftgate (PLG) system)
•  Connect connectors C-79, C-80.
•  Connect connectors C-54, C-55.
•  Connect connectors C-47, C-48.
•  Connect connector C-07.
•  Connect connectors C-43, C-44.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side).
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the connector C-14 and connector C-45 because the wiring harness is shorted to the power supply.
46
INSPECT CAN LINE BETWEEN EPS CONTROL MODULE AND CONNECTOR C-45 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at EPS control module terminals 2B and 2D.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 48.
No
Go to the next step.
47
INSPECT EPS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the EPS control module connector.
•  Connect connector C-45.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the EPS control module because there is a short to the power supply in the EPS control module.
No
Repair or replace the wiring harness between the EPS control module and connector C-45 because the wiring harness is shorted to the power supply.
48
INSPECT CAN LINE BETWEEN START STOP UNIT AND CONNECTOR C-45 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at start stop unit terminals 2M and 2O.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 50.
No
Go to the next step.
49
INSPECT START STOP UNIT FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the start stop unit connector.
•  Connect connector C-45.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the start stop unit because there is a short to the power supply in the start stop unit.
No
Repair or replace the wiring harness between the start stop unit and connector C-45 because the wiring harness is shorted to the power supply.
50
INSPECT CAN LINE BETWEEN ACTIVE DRIVING DISPLAY AND CONNECTOR C-45 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at active driving display terminals I and L.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 52.
No
Go to the next step.
51
INSPECT ACTIVE DRIVING DISPLAY FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the active driving display connector.
•  Connect connector C-45.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the active driving display because there is a short to the power supply in the active driving display.
No
Repair or replace the wiring harness between the active driving display and connector C-45 because the wiring harness is shorted to the power supply.
52
INSPECT CAN LINE BETWEEN CONNECTOR C-45 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Measure the voltage at instrument cluster terminals 1B and 1D.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 57.
No
Go to the next step.
53
INSPECT CAN LINE BETWEEN CONNECTOR C-45 AND CONNECTOR C-16 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-16.
•  Connect connector C-45.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connector C-45 and connector C-16 because the wiring harness is shorted to the power supply.
54
INSPECT CAN LINE BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-16 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at forward sensing camera (FSC) terminals M and N.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 56.
No
Go to the next step.
55
INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  Disconnect the forward sensing camera (FSC) connector.
•  Connect connector C-16.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5—3.5 V?
Yes
Replace the forward sensing camera (FSC) because there is a short to the power supply in the forward sensing camera (FSC).
No
Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-16 because the wiring harness is shorted to the power supply.
56
INSPECT INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the instrument cluster connector.
•  Connect connector C-16.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the instrument cluster because there is a short to the power supply in the instrument cluster.
No
Repair or replace the wiring harness between the instrument cluster and connector C-16 because the wiring harness is shorted to the power supply.
57
INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-45 AND DLC-2
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 60.
No
Go to the next step.
58
INSPECT GATEWAY UNIT (GWU) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  Disconnect the connector 3 which has gateway unit (GWU) terminals 3X and 3W.
•  Connect connector C-45.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at instrument cluster terminals 1B and 1D.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness between gateway unit (GWU) and connector C-45 because the wiring harness is shorted to the power supply.
59
INSPECT FOR SHORT TO POWER SUPPLY BETWEEN GATEWAY UNIT (GWU) AND DLC-2
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage 0 V?
Yes
Replace the gateway unit (GWU) because there is a short to the power supply in the gateway unit (GWU).
No
Repair or replace the wiring harness between gateway unit (GWU) and DLC-2 because the wiring harness is shorted to the power supply.
60
INSPECT SAS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect the SAS control module connector.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at SAS control module terminals 3B and 3C (wiring harness side).
•  Is the voltage 0 V?
Yes
Replace the SAS control module because there is a short to the power supply in the SAS control module.
No
Repair or replace the wiring harness between SAS control module and connector C-45 because the wiring harness is shorted to the power supply.
61
INSPECT PCM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  Disconnect the PCM connector.
•  Connect connector C-42.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the PCM because there is a short to the power supply in the PCM.
No
Repair or replace the wiring harness between the PCM and connector C-42 because the wiring harness is shorted to the power supply.