DETERMINING SHORT TO GROUND LOCATION (HS-CAN) [SKYACTIV-D 2.2 (R.H.D.)]

id100206000600

Caution

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

Step	Inspection		Action
1	INSPECT FOR SHORT TO GROUND BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER •  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) •  Disconnect connector 2 which has front body control module (FBCM) terminals 2P and 2N. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 6.
		No	Go to the next step.
2	INSPECT CAN LINE INSIDE FRONT BODY CONTROL MODULE (FBCM) FOR SHORT TO GROUND •  Inspect for continuity at the following terminals: ―  Between front body control module (FBCM) terminal 2P and body ground ―  Between front body control module (FBCM) terminal 2N and body ground •  Is there continuity?	Yes	Replace the front body control module (FBCM) because there is a short to ground in the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)
		No	Go to the next step.
3	INSPECT FOR SHORT TO GROUND BETWEEN TCM OR AFS CONTROL MODULE AND FRONT BODY CONTROL MODULE (FBCM) •  Inspect for continuity at the following terminals: ―  Between TCM control module terminal E and body ground (ATX) ―  Between TCM control module terminal F and body ground (ATX) ―  Between AFS control module terminal A and body ground (MTX) ―  Between AFS control module terminal B and body ground (MTX) •  Is there continuity?	Yes	•  Go to the next step. (ATX) •  Go to Step 5. (MTX)
		No	•  Go to Step 35. (ATX) •  Go to Step 33. (MTX)
4	INSPECT FOR SHORT TO GROUND BETWEEN TCM AND CONNECTOR C-01 •  Disconnect connector C-01. •  Inspect for continuity at the following terminals: ―  Between TCM control module terminal E and body ground ―  Between TCM control module terminal F and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted to ground.
5	INSPECT CAN LINE IN TCM OR AFS CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the TCM connector. (ATX) •  Disconnect the AFS control module connector. (MTX) •  Inspect for continuity at the following terminals: ―  Between TCM terminal E (wiring harness side) and body ground (ATX) ―  Between TCM terminal F (wiring harness side) and body ground (ATX) ―  Between AFS control module terminal A (wiring harness side) and body ground (MTX) ―  Between AFS control module terminal B (wiring harness side) and body ground (MTX) •  Is there continuity?	Yes	•  Repair or replace the wiring harness between the TCM and connector C-01because the wiring harness is shorted to ground. (ATX) •  Repair or replace the wiring harness between the AFS control module and front body control module (FBCM) because the wiring harness is shorted to ground. (MTX)
		No	•  Replace the TCM because there is a short to ground in the TCM. (ATX) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL, FW6AX-EL].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL].) •  Replace the AFS control module because there is a short to ground in the AFS control module. (MTX) (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.)
6	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-04 AND INSTRUMENT CLUSTER •  Disconnect connector C-04. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 8.
		No	•  Go to the next step. (ATX) •  Repair or replace the wiring harness between the front body control module (FBCM) and connector C-04 because the wiring harness is shorted to ground. (MTX)
7	INSPECT CAN LINE IN AFS CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the AFS control module connector. •  Inspect for continuity at the following terminals: ―  Between AFS control module terminal A (wiring harness side) and body ground ―  Between AFS control module terminal B (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the AFS control module and front body control module (FBCM) / connector C-04 because the wiring harness is shorted to ground.
		No	Replace the AFS control module because there is a short to ground in the AFS control module. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.)
8	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-58 AND C-59 AND INSTRUMENT CLUSTER •  Disconnect connector C-58 and C-59. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 12.
		No	Go to the next step.
9	INSPECT FOR SHORT TO GROUND BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-58 AND C-59 •  Inspect for continuity at the following terminals: ―  Between position memory control module terminal 1C and body ground ―  Between position memory control module terminal 1E and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connector C-04 and connectors C-58 and C-59 because the wiring harness is shorted to ground.
10	INSPECT FOR SHORT TO GROUND BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-55 •  Disconnect connector C-55. •  Inspect for continuity at the following terminals: ―  Between position memory control module terminal 1C and body ground ―  Between position memory control module terminal 1E and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connector C-55 and connectors C-58 and C-59 because the wiring harness is shorted to ground.
11	INSPECT CAN LINE IN POSITION MEMORY CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the position memory control module connector. •  Inspect for continuity at the following terminals: ―  Between position memory control module terminal 1C (wiring harness side) and body ground ―  Between position memory control module terminal 1E (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the position memory control module and connectors C-55 because the wiring harness is shorted to ground.
		No	Replace the position memory control module because there is a short to ground in the position memory control module. (See FRONT SEAT REMOVAL/INSTALLATION.)
12	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-49 AND C-50 AND INSTRUMENT CLUSTER •  Disconnect connectors C-49 and C-50. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 15.
		No	Go to the next step.
13	INSPECT FOR SHORT TO GROUND BETWEEN 4WD CONTROL MODULE AND CONNECTORS C-49 AND C-50 •  Inspect for continuity at the following terminals: ―  Between 4WD control module terminal G and body ground ―  Between 4WD control module terminal H and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connectors C-58 and C-59 and connectors C-49 and C-50 because the wiring harness is shorted to ground.
14	INSPECT CAN LINE IN 4WD CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the 4WD control module connector. •  Inspect for continuity at the following terminals: ―  Between 4WD control module terminal G (wiring harness side) and body ground ―  Between 4WD control module terminal H (wiring harness side) and body ground •  Is there continuity?	Yes	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 ground.
		No	Replace the 4WD control module because there is a short to ground in the 4WD control module. (See 4WD CONTROL MODULE REMOVAL/INSTALLATION.)
15	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-10 AND INSTRUMENT CLUSTER •  Disconnect connector C-10. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connectors C-49 and C-50 and connector C-10 because the wiring harness is shorted to ground.
16	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER •  Disconnect connector C-11. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 23.
		No	Go to the next step.
17	INSPECT FOR SHORT TO GROUND BETWEEN LASER SENSOR / FORWARD SENSING CAMERA AND CONNECTOR C-11 •  Inspect for continuity at the following terminals: ―  Between laser sensor terminal D and body ground (with smart city brake support) ―  Between laser sensor terminal C and body ground (with smart city brake support) ―  Between forward sensing camera terminal E and body ground (with Hi-beam control (HBC) system) ―  Between forward sensing camera terminal C and body ground (with Hi-beam control (HBC) system) •  Is there continuity?	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 ground.
18	INSPECT FOR SHORT TO GROUND BETWEEN LASER SENSOR AND CONNECTOR C-42 •  Disconnect connector C-42. •  Inspect for continuity at the following terminals: ―  Between laser sensor terminal D and body ground ―  Between laser sensor terminal C and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 20.
19	INSPECT CAN LINE IN LASER SENSOR FOR SHORT TO GROUND •  Disconnect the laser sensor connector. •  Inspect for continuity at the following terminals: ―  Between laser sensor terminal D (wiring harness side) and body ground ―  Between laser sensor terminal C (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the laser sensor and connector C-42 because the wiring harness is shorted to ground.
		No	Replace the laser sensor because there is a short to ground in the laser sensor. (See LASER SENSOR REMOVAL/INSTALLATION.)
20	INSPECT FOR SHORT TO GROUND BETWEEN FORWARD SENSING CAMERA AND CONNECTOR C-42 •  Inspect for continuity at the following terminals: ―  Between forward sensing camera terminal E and body ground ―  Between forward sensing camera terminal C and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connector C-11 and connector C-42 because the wiring harness is shorted to ground.
21	INSPECT FOR SHORT TO GROUND BETWEEN FORWARD SENSING CAMERA AND CONNECTOR C-27 •  Disconnect connector C-27. •  Inspect for continuity at the following terminals: ―  Between forward sensing camera terminal E and body ground ―  Between forward sensing camera terminal C and body ground •  Is there continuity?	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 ground.
22	INSPECT CAN LINE IN FORWARD SENSING CAMERA FOR SHORT TO GROUND •  Disconnect the forward sensing camera connector. •  Inspect for continuity at the following terminals: ―  Between forward sensing camera terminal E (wiring harness side) and body ground ―  Between forward sensing camera terminal C (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the forward sensing camera and connector C-27 because the wiring harness is shorted to ground.
		No	Replace the forward sensing camera because there is a short to ground in the forward sensing camera. (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
23	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-51, C-52 AND INSTRUMENT CLUSTER •  Disconnect connector C-51, C-52. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Go to Step 26.
		No	Go to the next step.
24	INSPECT FOR SHORT TO GROUND BETWEEN SAS CONTROL MODULE AND CONNECTOR C-51, C-52 •  Inspect for continuity at the following terminals: ―  Between SAS control module terminal 3K and body ground ―  Between SAS control module terminal 3L and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connector C-11 and connector C-51, C-52 because the wiring harness is shorted to ground.
25	INSPECT CAN LINE IN SAS CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the SAS control module connector. •  Inspect for continuity at the following terminals: ―  Between SAS control module terminal 3K (wiring harness side) and body ground ―  Between SAS control module terminal 3L (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the SAS control module and connector C-51, C-52 because the wiring harness is shorted to ground.
		No	Replace the SAS control module because there is a short to ground in the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
26	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-34 AND DLC-2 •  Disconnect connector C-34. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between connector C-34 and DLC-2 because the wiring harness is shorted to ground.
		No	Go to the next step.
27	INSPECT FOR SHORT TO GROUND BETWEEN START STOP UNIT AND CONNECTOR C-34 •  Inspect for continuity at the following terminals: ―  Between start stop unit terminal 2M and body ground ―  Between start stop unit terminal 2O and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 29.
28	INSPECT CAN LINE IN START STOP UNIT FOR SHORT TO GROUND •  Disconnect the start stop unit connector. •  Inspect for continuity at the following terminals: ―  Between start stop unit terminal 2M (wiring harness side) and body ground ―  Between start stop unit terminal 2O (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the start stop unit and connector C-34 because the wiring harness is shorted to ground.
		No	Replace the start stop unit because there is a short to ground in the start stop unit. (See START STOP UNIT REMOVAL/INSTALLATION.)
29	INSPECT FOR SHORT TO GROUND BETWEEN EPS CONTROL MODULE AND CONNECTOR C-34 •  Inspect for continuity at the following terminals: ―  Between EPS control module terminal 2A and body ground (connector 8-pin type) ―  Between EPS control module terminal 2D and body ground (connector 8-pin type) ―  Between EPS control module terminal 2B and body ground (connector 4-pin type) ―  Between EPS control module terminal 2D and body ground (connector 4-pin type) •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 31.
30	INSPECT CAN LINE IN EPS CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the EPS control module connector. •  Inspect for continuity at the following terminals: ―  Between EPS control module terminal 2A (wiring harness side) and body ground (connector 8-pin type) ―  Between EPS control module terminal 2D (wiring harness side) and body ground (connector 8-pin type) ―  Between EPS control module terminal 2B (wiring harness side) and body ground (connector 4-pin type) ―  Between EPS control module terminal 2D (wiring harness side) and body ground (connector 4-pin type) •  Is there continuity?	Yes	Repair or replace the wiring harness between the EPS control module and connector C-34 because the wiring harness is shorted to ground.
		No	Replace the EPS control module because there is a short to ground in the EPS control module. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
31	INSPECT FOR SHORT TO GROUND BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-34 •  Inspect for continuity at the following terminals: ―  Between instrument cluster terminal B and body ground ―  Between instrument cluster terminal D and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between connector C-51, C-52 and connector C-34 because the wiring harness is shorted to ground.
32	INSPECT CAN LINE IN INSTRUMENT CLUSTER FOR SHORT TO GROUND •  Disconnect the instrument cluster connector. •  Inspect for continuity at the following terminals: ―  Between instrument cluster terminal B (wiring harness side) and body ground ―  Between instrument cluster terminal D (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the instrument cluster and connector C-34 because the wiring harness is shorted to ground.
		No	Replace the instrument cluster because there is a short to ground in the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
33	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-01 AND FRONT BODY CONTROL MODULE (FBCM) •  Disconnect connector C-01. •  Connect connector 2 which has front body control module (FBCM) terminals 2P and 2N. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between connector C-01 and the front body control module (FBCM) because the wiring harness is shorted to ground.
		No	Go to the next step.
34	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-32 AND CONNECTOR C-01 •  Disconnect connector C-32. •  Connect connector C-01. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between connector C-32 and connector C-01 because the wiring harness is shorted to ground.
		No	Go to Step 36.
35	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-32 AND FRONT BODY CONTROL MODULE (FBCM) •  Disconnect connector C-32. •  Connect connector 2 which has front body control module (FBCM) terminals 2P and 2N. •  Inspect for continuity at the following terminals: ―  Between DLC-2 terminal F and body ground ―  Between DLC-2 terminal E and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between connector C-32 and the front body control module (FBCM) because the wiring harness is shorted to ground.
		No	Go to the next step.
36	INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM AND CONNECTOR C-32 •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal AF and body ground ―  Between DSC HU/CM terminal AC and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 38.
37	INSPECT CAN LINE IN DSC HU/CM FOR SHORT TO GROUND •  Disconnect the DSC HU/CM connector. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal AF (wiring harness side) and body ground ―  Between DSC HU/CM terminal AC (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the DSC HU/CM and connector C-32 because the wiring harness is shorted to ground.
		No	Replace the DSC HU/CM because there is a short to ground in the DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)
38	INSPECT CAN LINE IN PCM FOR SHORT TO GROUND •  Disconnect the PCM connector. •  Inspect for continuity at the following terminals: ―  Between PCM terminal 2AK (wiring harness side) and body ground ―  Between PCM terminal 2AL (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the PCM and connector C-32 because the wiring harness is shorted to ground.
		No	Replace the PCM because there is a short to ground in the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)