DETERMINING SHORT TO GROUND LOCATION (HS-CAN) [SKYACTIV-D 1.5 (L.H.D.)]

id100223000600

Caution

•  Perform the following malfunction diagnosis only when it is diagnosed with a short to ground by CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 1.5 (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.

Step	Inspection		Action
1	INSPECT FOR SHORT TO GROUND BETWEEN BCM AND INSTRUMENT CLUSTER •  Switch the ignition off. •  DISCONNECT the Negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.) •  Disconnect the connector 2 and 3 which has BCM terminals 3C,3D and 2D,2C. •  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 16.
		No	Go to the next step.
2	INSPECT CAN LINE IN BCM FOR SHORT TO GROUND •  Inspect for continuity at the following terminals: ―  Between BCM terminal 3C and body ground ―  Between BCM terminal 3D and body ground •  Is there continuity?	Yes	Replace the BCM because there is a short to ground in the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
		No	Go to the next step.
3	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-28 AND C-29 AND BCM •  Connect the connector 2 and 3 which has BCM terminals 3C,3D and 2D,2C. •  Disconnect the connectors C-28 and C-29. •  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 the connectors C-28 and C-29 and BCM because the wiring harness is shorted to ground.
		No	Go to the next step.
4	INSPECT FOR SHORT TO GROUND BETWEEN ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE AND CONNECTORS C-28 AND C-29 •  Inspect for continuity at the following terminals: ―  Between adaptive LED headlights control module / auto leveling control module terminal T and body ground ―  Between adaptive LED headlights control module / auto leveling control module terminal V and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 6.
5	INSPECT CAN LINE IN ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the adaptive LED headlights control module / auto leveling control module connector. •  Inspect for continuity at the following terminals: ―  Between adaptive LED headlights control module / auto leveling control module terminal T (wiring harness side) and body ground ―  Between adaptive LED headlights control module / auto leveling control module terminal V (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the adaptive LED headlights control module / auto leveling control module and connectors C-28 and C-29 because the wiring harness is shorted to ground.
		No	Replace the adaptive LED headlights control module / auto leveling control module because there is a short to ground in the adaptive LED headlights control module / auto leveling control module. (See ADAPTIVE LED HEADLIGHTS CONTROL MODULE REMOVAL/INSTALLATION.) (See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION.)
6	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-01 AND CONNECTORS C-28 AND C-29 •  Connect the connectors C-28 and C-29. •  Disconnect the 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 the connector C-01 and connectors C-28 and C-29 because the wiring harness is shorted to ground.
		No	Go to the next step.
7	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-01 AND TCM •  Inspect for continuity at the following terminals: ―  Between TCM terminal E and body ground ―  Between TCM terminal F and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 9.
8	INSPECT CAN LINE IN TCM FOR SHORT TO GROUND •  Disconnect the TCM connector. •  Inspect for continuity at the following terminals: ―  Between TCM terminal E (wiring harness side) and body ground ―  Between TCM terminal F (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted to ground.
		No	Replace the TCM because there is a short to ground in the TCM. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [CW6A-EL].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [EW6A-EL].)
9	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-63 AND C-64 AND CONNECTOR C-01 •  Disconnect the connectors C-63 and C-64. •  Connect the 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 the connector C-01 and connectors C-63 and C-64 because the wiring harness is shorted to ground.
		No	Go to the next step.
10	INSPECT FOR SHORT TO GROUND BETWEEN RADAR UNIT AND CONNECTORS C-63 AND C-64 •  Inspect for continuity at the following terminals: ―  Between radar unit terminal D and body ground ―  Between radar unit terminal C and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 12.
11	INSPECT CAN LINE IN RADAR UNIT FOR SHORT TO GROUND •  Disconnect the radar unit connector. •  Inspect for continuity at the following terminals: ―  Between radar unit terminal D (wiring harness side) and body ground ―  Between radar unit terminal C (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the radar unit and connectors C-63 and C-64 because the wiring harness is shorted to ground.
		No	Replace the radar unit because there is a short to ground in the radar unit. (See RADAR UNIT REMOVAL/INSTALLATION.)
12	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-30 AND CONNECTORS C-63 AND C-64 •  Disconnect the connector C-30. •  Connect the connectors C-63 and C-64. •  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 the connector C-30 and connectors C-63 and C-64 because the wiring harness is shorted to ground.
		No	Go to the next step.
13	INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM AND CONNECTOR C-30 •  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 15.
14	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-30 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 [L.H.D.].)
15	INSPECT CAN LINE IN PCM FOR SHORT TO GROUND •  Disconnect the PCM connector. •  Inspect for continuity at the following terminals: ―  Between PCM terminal 2C (wiring harness side) and body ground ―  Between PCM terminal 2D (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the PCM and connector C-30 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 1.5].)
16	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-07 AND INSTRUMENT CLUSTER •  Disconnect the connector C-07. •  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 the connector C-07 and BCM because the wiring harness is shorted to ground.
17	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-07 AND CONNECTOR C-11 •  Connect the connector C-07. •  Disconnect the connector C-11. •  Inspect for continuity at the following terminals: ―  Between BCM terminal 2D and body ground ―  Between BCM terminal 2C and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-07 and connector C-11 because the wiring harness is shorted to ground.
		No	Go to the next step.
18	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER •  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 25.
		No	Go to the next step.
19	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-51 AND C-52 AND CONNECTOR C-11 •  Connect the connector C-11. •  Disconnect the connectors C-51 and 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	Repair or replace the wiring harness between the connectors C-51 and C-52 and connector C-11 because the wiring harness is shorted to ground.
		No	Go to the next step.
20	INSPECT FOR SHORT TO GROUND BETWEEN LASER SENSOR AND CONNECTORS C-51 AND C-52 •  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 22.
21	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 connectors C-51 and C-52 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.)
22	INSPECT FOR SHORT TO GROUND BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTORS C-51 AND C-52 •  Inspect for continuity at the following terminals: ―  Between forward sensing camera (FSC) terminal E and body ground ―  Between forward sensing camera (FSC) terminal C and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between the connector C-11 and connectors C-51 and C-52 because the wiring harness is shorted to ground.
23	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-51 AND C-52 AND CONNECTOR C-23 •  Disconnect the connector C-23. •  Inspect for continuity at the following terminals: ―  Between forward sensing camera (FSC) terminal E and body ground ―  Between forward sensing camera (FSC) terminal C and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between the connectors C-51 and C-52 and connector C-23 because the wiring harness is shorted to ground.
24	INSPECT CAN LINE IN FORWARD SENSING CAMERA (FSC) FOR SHORT TO GROUND •  Disconnect the forward sensing camera (FSC) connector. •  Inspect for continuity at the following terminals: ―  Between forward sensing camera (FSC) terminal E (wiring harness side) and body ground ―  Between forward sensing camera (FSC) terminal C (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-23 because the wiring harness is shorted to ground.
		No	Replace the forward sensing camera (FSC) because there is a short to ground in the forward sensing camera (FSC). (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
25	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-36 AND DLC-2 •  Disconnect the connector C-36. •  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 the connector C-36 and DLC-2 because the wiring harness is shorted to ground.
		No	Go to the next step.
26	INSPECT FOR SHORT TO GROUND BETWEEN EPS CONTROL MODULE AND CONNECTOR C-36 •  Inspect for continuity at the following terminals: ―  Between EPS control module terminal 1G and body ground ―  Between EPS control module terminal 1H and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 28.
27	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 1G (wiring harness side) and body ground ―  Between EPS control module terminal 1H (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the EPS control module and connector C-36 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.)
28	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-36 AND INSTRUMENT CLUSTER •  Inspect for continuity at the following terminals: ―  Between instrument cluster terminal 1B and body ground ―  Between instrument cluster terminal 1D and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between the connector C-11 and connector C-36 because the wiring harness is shorted to ground.
29	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-36 AND CONNECTOR C-37 •  Connect the connector C-36. •  Disconnect the connector C-37. •  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 the connector C-36 and connector C-37 because the wiring harness is shorted to ground.
		No	Go to the next step.
30	INSPECT FOR SHORT TO GROUND BETWEEN START STOP UNIT AND CONNECTOR C-37 •  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 32.
31	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-37 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.)
32	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-37 •  Inspect for continuity at the following terminals: ―  Between connectivity master unit (CMU) terminal 2E and body ground ―  Between connectivity master unit (CMU) terminal 2F and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 34.
33	INSPECT CAN LINE IN CONNECTIVITY MASTER UNIT (CMU) FOR SHORT TO GROUND •  Disconnect the connectivity master unit (CMU) connector. •  Inspect for continuity at the following terminals: ―  Between connectivity master unit (CMU) terminal 2E (wiring harness side) and body ground ―  Between connectivity master unit (CMU) terminal 2F (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connectivity master unit (CMU) and connector C-37 because the wiring harness is shorted to ground.
		No	Replace the connectivity master unit (CMU) because there is a short to ground in the connectivity master unit (CMU). (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)
34	INSPECT FOR SHORT TO GROUND BETWEEN SAS CONTROL MODULE AND CONNECTOR C-37 •  Inspect for continuity at the following terminals: ―  Between SAS control module terminal 3Q and body ground ―  Between SAS control module terminal 3S and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 36.
35	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 3Q (wiring harness side) and body ground ―  Between SAS control module terminal 3S (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the SAS control module and connector C-37 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 [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) (See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)
36	INSPECT FOR SHORT TO GROUND BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-37 •  Disconnect the instrument cluster connector. •  Connect the connector C-37. •  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 the instrument cluster and connector C-37 because the wiring harness is shorted to ground.
		No	Go to the next step.
37	INSPECT FOR SHORT TO GROUND BETWEEN INSTRUMENT CLUSTER AND ACTIVE DRIVING DISPLAY •  Inspect for continuity at the following terminals: ―  Between active driving display terminal J and body ground ―  Between active driving display terminal H and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Replace the instrument cluster because there is a short to ground in the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
38	INSPECT CAN LINE IN ACTIVE DRIVING DISPLAY FOR SHORT TO GROUND •  Disconnect the active driving display connector. •  Inspect for continuity at the following terminals: ―  Between active driving display terminal J (wiring harness side) and body ground ―  Between active driving display terminal H (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the instrument cluster and active driving display because the wiring harness is shorted to ground.
		No	Replace the active driving display because there is a short to ground in the active driving display. (See ACTIVE DRIVING DISPLAY REMOVAL/INSTALLATION.)