DETERMINING SHORT TO POWER SUPPLY LOCATION (HS-CAN) [SKYACTIV-D 2.2 (L.H.D.)]


id100205000700

Caution
•  Perform the following malfunction diagnosis only when it is diagnosed with a short to power supply by CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 2.2 (L.H.D.)]. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 2.2 (L.H.D.)].)

System Wiring Diagram

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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 DLC-2, touch it with a paper clip or similar thin pin without directly inserting a tester into the terminals.
•  Disconnect the negative battery cable 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 cable.
•  Disconnect connector 2 which has front body control module (FBCM) terminals 2K and 2I
•  Connect the negative battery cable.
•  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 3.
2
INSPECT CAN LINE BETWEEN PCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Measure voltage at PCM terminals 2AK and 2AL.
•  Is the voltage between 1.5 — 3.5 V?
Yes
•  Go to Step 43. (ATX)
•  Replace the front body control module (FBCM) because there is a short to the power supply in the front body control module (FBCM). (MTX)
No
•  Go to Step 48. (ATX)
•  Go to Step 46. (MTX)
3
INSPECT CAN LINE BETWEEN CONNECTORS C-47 AND C-48 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connectors C-47 and C-48.
•  Connect the negative battery cable.
•  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 6.
4
INSPECT CAN LINE BETWEEN AFS CONTROL MODULE OR ADAPTIVE LED HEADLIGHTS CONTROL MODULE AND CONNECTORS C-47 AND C-48 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at AFS control module or adaptive LED headlights control module terminals A and B.
•  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-47 and C-48 because the wiring harness is shorted to the power supply.
No
Go to the next step.
5
INSPECT AFS CONTROL MODULE OR ADAPTIVE LED HEADLIGHTS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the AFS control module or adaptive LED headlights control module connector.
•  Connect connectors C-47 and C-48.
•  Connect the negative battery cable.
•  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 AFS control module or adaptive LED headlights control module because there is a short to the power supply in the AFS control module or adaptive LED headlights control module.
No
Repair or replace the wiring harness between AFS control module or adaptive LED headlights control module and connectors C-47 and C-48 because the wiring harness is shorted to the power supply.
6
INSPECT CAN LINE BETWEEN CONNECTOR C-04 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-04.
•  Connect the negative battery cable.
•  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-47 and C-48 and connector C-04 because the wiring harness is shorted to the power supply.
No
•  Go to Step 10. (with position memory system)
•  Go to the next step. (without position memory system)
7
INSPECT CAN LINE BETWEEN CONNECTORS C-51 AND C-52 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connectors C-51 and C-52.
•  Connect the negative battery cable.
•  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 16.
8
INSPECT CAN LINE BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-51 AND C-52 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 connector C-04 and connectors C-51 and C-52 because the wiring harness is shorted to the power supply.
No
Go to the next step.
9
INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connectors C-51 and C-52.
•  Disconnect the electric parking brake control module connector.
•  Connect the negative battery cable.
•  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-51 and C-52 because the wiring harness is shorted to the power supply.
10
INSPECT CAN LINE BETWEEN CONNECTORS C-54 AND C-55 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connectors C-54 and C-55.
•  Connect the negative battery cable.
•  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 16.
11
INSPECT CAN LINE BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-54 AND C-55 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
Go to Step 14.
No
Go to the next step.
12
INSPECT CAN LINE BETWEEN CONNECTORS C-54 AND C-55 AND CONNECTOR C-19 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connectors C-54 and C-55.
•  Disconnect connector C-19.
•  Connect the negative battery cable.
•  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 connectors C-54 and C-55 and connector C-19 because the wiring harness is shorted to the power supply.
13
INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-19.
•  Disconnect the position memory control module connector.
•  Connect the negative battery cable.
•  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-19 because the wiring harness is shorted to the power supply.
14
INSPECT CAN LINE BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-54 AND 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 connector C-04 and connectors C-54 and C-55 because the wiring harness is shorted to the power supply.
No
Go to the next step.
15
INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connectors C-54 and C-55.
•  Disconnect the electric parking brake control module connector.
•  Connect the negative battery cable.
•  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 and C-55 because the wiring harness is shorted to the power supply.
16
INSPECT CAN LINE BETWEEN CONNECTORS C-49 AND C-50 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connectors C-49 and C-50.
•  Connect the negative battery cable.
•  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.
17
INSPECT CAN LINE BETWEEN AUDIO AMPLIFIER AND CONNECTORS C-49 AND C-50 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at audio amplifier terminals 2L and 2N.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 19.
No
Go to the next step.
18
INSPECT AUDIO AMPLIFIER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connectors C-49 and C-50.
•  Disconnect the audio amplifier connector.
•  Connect the negative battery cable.
•  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 audio amplifier because there is a short to the power supply in the audio amplifier.
No
Repair or replace the wiring harness between the audio amplifier and connectors C-49 and C-50 because the wiring harness is shorted to the power supply.
19
INSPECT CAN LINE BETWEEN 4WD CONTROL MODULE AND CONNECTORS C-49 AND C-50 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-54 and C-55 and connectors C-49 and C-50 because the wiring harness is shorted to the power supply. (with position memory system)
•  Repair or replace the wiring harness between connectors C-51 and C-52 and connectors C-49 and C-50 because the wiring harness is shorted to the power supply. (without position memory system)
No
Go to the next step.
20
INSPECT 4WD CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connectors C-49 and C-50.
•  Disconnect the 4WD control module connector.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals E and F.
•  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-49 and C-50 because the wiring harness is shorted to the power supply.
21
INSPECT CAN LINE BETWEEN CONNECTOR C-10 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-10.
•  Connect the negative battery cable.
•  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-49 and C-50 and connector C-10 because the wiring harness is shorted to the power supply.
No
Go to the next step.
22
INSPECT CAN LINE BETWEEN CONNECTOR C-10 AND CONNECTOR C-11 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-11.
•  Connect connector C-10.
•  Connect connectors C-49 and C-50.
•  Connect connectors C-54 and C-55.
•  Connect connectors C-51 and C-52.
•  Connect connector C-04.
•  Connect connectors C-47 and C-48.
•  Connect the negative battery cable.
•  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 connector C-10 and connector C-11 because the wiring harness is shorted to the power supply.
23
INSPECT CAN LINE BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  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 30.
24
INSPECT CAN LINE BETWEEN CONNECTOR C-42 AND CONNECTOR C-11 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-42.
•  Connect connector C-11.
•  Connect the negative battery cable.
•  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-42 and connector C-11 because the wiring harness is shorted to the power supply.
25
INSPECT CAN LINE BETWEEN LASER SENSOR AND CONNECTOR C-42 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at laser sensor terminals D and C.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 27.
No
Go to the next step.
26
INSPECT LASER SENSOR FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the laser sensor connector.
•  Connect connector C-42.
•  Connect the negative battery cable.
•  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 laser sensor because there is a short to the power supply in the laser sensor.
No
Repair or replace the wiring harness between the laser sensor and connector C-42 because the wiring harness is shorted to the power supply.
27
INSPECT CAN LINE BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-42 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at forward sensing camera (FSC) terminals E and C.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Repair or replace the wiring harness between connector C-11 and connector C-42 because the wiring harness is shorted to the power supply.
No
Go to the next step.
28
INSPECT CAN LINE BETWEEN CONNECTOR C-42 AND CONNECTOR C-27 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the connector C-27.
•  Connect connector C-42.
•  Connect the negative battery cable.
•  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-42 and connector C-27 because the wiring harness is shorted to the power supply.
29
INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the forward sensing camera (FSC) connector.
•  Connect connector C-27.
•  Connect the negative battery cable.
•  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-27 because the wiring harness is shorted to the power supply.
30
INSPECT CAN LINE BETWEEN CONNECTOR C-35 AND DLC-2 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-35.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage 0 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connector C-35 and DLC-2 because the wiring harness is shorted to the power supply.
31
INSPECT CAN LINE BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-35 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at connectivity master unit (CMU) terminals 2E and 2F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 33.
No
Go to the next step.
32
INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Disconnect the connectivity master unit (CMU) connector.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals E and F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the connectivity master unit (CMU) because there is a short to the power supply in the connectivity master unit (CMU).
No
Repair or replace the wiring harness between the connectivity master unit (CMU) and connector C-35 because the wiring harness is shorted to the power supply.
33
INSPECT CAN LINE BETWEEN EPS CONTROL MODULE AND CONNECTOR C-35 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 35.
No
Go to the next step.
34
INSPECT EPS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Disconnect the EPS control module connector.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals E and F.
•  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-35 because the wiring harness is shorted to the power supply.
35
INSPECT CAN LINE BETWEEN START STOP UNIT AND CONNECTOR C-35 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 37.
No
Go to the next step.
36
INSPECT START STOP UNIT FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Disconnect the start stop unit connector.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals E and F.
•  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-35 because the wiring harness is shorted to the power supply.
37
INSPECT CAN LINE BETWEEN MAZDA ERA-GLONASS CONTROL MODULE AND CONNECTOR C-35 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at MAZDA ERA-GLONASS control module terminals 1Q and 1S.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 39.
No
Go to the next step.
38
INSPECT MAZDA ERA-GLONASS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Disconnect the MAZDA ERA-GLONASS control module connector.
•  Connect the negative battery cable.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals E and F.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Replace the MAZDA ERA-GLONASS control module because there is a short to the power supply in the MAZDA ERA-GLONASS control module.
No
Repair or replace the wiring harness between the MAZDA ERA-GLONASS control module and connector C-35 because the wiring harness is shorted to the power supply.
39
INSPECT CAN LINE BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-35 FOR SHORT TO POWER SUPPLY
•  Measure the voltage at instrument cluster terminals B and D.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 41.
No
Go to the next step.
40
INSPECT INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Disconnect the instrument cluster connector.
•  Connect the negative battery cable.
•  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 the instrument cluster is shorted to the power supply.
No
Repair or replace the wiring harness between the instrument cluster and connector C-35 because the wiring harness is shorted to the power supply.
41
INSPECT CAN LINE BETWEEN SAS CONTROL MODULE AND CONNECTOR C-35 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the SAS control module connector.
•  Connect the negative battery cable.
•  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
Go to the next step.
No
Repair or replace the wiring harness between the SAS control module and connector C-35 because the wiring harness is shorted to the power supply.
42
INSPECT SAS CONTROL MODULE FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-35.
•  Connect the negative battery cable.
•  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 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 the connector C-11 and connector C-35 because the wiring harness is shorted to the power supply.
43
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
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.
44
INSPECT CAN LINE BETWEEN TCM AND CONNECTOR C-01 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-01.
•  Connect the negative battery cable.
•  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.
45
INSPECT TCM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  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 cable.
•  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.
46
INSPECT CAN LINE BETWEEN CONNECTOR C-01 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-01.
•  Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I.
•  Connect the negative battery cable.
•  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-01 and the front body control module (FBCM) because the wiring harness is shorted to the power supply.
47
INSPECT CAN LINE BETWEEN CONNECTOR C-32 AND CONNECTOR C-01 FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-01.
•  Disconnect connector C-32.
•  Connect the negative battery cable.
•  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 49.
No
Repair or replace the wiring harness between connector C-32 and connector C-01 because the wiring harness is shorted to the power supply.
48
INSPECT CAN LINE BETWEEN CONNECTOR C-32 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect connector C-32.
•  Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I.
•  Connect the negative battery cable.
•  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-32 and the front body control module (FBCM) because the wiring harness is shorted to the power supply.
49
INSPECT CAN LINE BETWEEN DSC HU/CM AND CONNECTOR C-32 FOR SHORT TO POWER SUPPLY
•  Measure voltage at DSC HU/CM terminals AF and AC.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 51.
No
Go to the next step.
50
INSPECT DSC HU/CM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-32.
•  Disconnect the DSC HU/CM connector.
•  Connect the negative battery cable.
•  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 the DSC HU/CM is shorted to the power supply.
No
Repair or replace the wiring harness between the DSC HU/CM and connector C-32 because the wiring harness is shorted to the power supply.
51
INSPECT CAN LINE BETWEEN RADAR UNIT AND CONNECTOR C-32 FOR SHORT TO POWER SUPPLY
•  Measure voltage at radar unit terminals D and C.
•  Is the voltage between 1.5 — 3.5 V?
Yes
Go to Step 53.
No
Go to the next step.
52
INSPECT RADAR UNIT FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-32.
•  Disconnect the radar unit connector.
•  Connect the negative battery cable.
•  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 the radar unit is shorted to the power supply.
No
Repair or replace the wiring harness between the radar unit and connector C-32 because the wiring harness is shorted to the power supply.
53
INSPECT PCM FOR SHORT TO POWER SUPPLY
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Connect connector C-32.
•  Disconnect the PCM connector.
•  Connect the negative battery cable.
•  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-32 because the wiring harness is shorted to the power supply.