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DETERMINING SHORT TO GROUND LOCATION (CAN-BUS No.1) [(E)]

id1002x2001800

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 [(E)].)

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 connector, touch it with a paper clip or similar thin pin without directly inserting a tester probe into the terminal.

Step	Inspection		Action
1	INSPECT FOR SHORT TO GROUND BETWEEN BODY CONTROL MODULE (BCM) AND CONNECTOR C-40/C-41 •  Switch the ignition off. •  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(E)]) •  Disconnect the connector C-40 (L.H.D.). •  Disconnect the connector C-41 (R.H.D.). •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 3.
2	INSPECT CAN LINE IN BODY CONTROL MODULE (BCM) FOR SHORT TO GROUND •  Disconnect the connector 3 which has body control module (BCM) terminals 3X and 3W. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X (wiring harness side) and body ground ―  Between body control module (BCM) terminal 3W (wiring harness side) and body ground •  Is there continuity?	Yes	•  Repair or replace the wiring harness between the connector C-40 and body control module (BCM) because the wiring harness is shorted to ground (L.H.D.). •  Repair or replace the wiring harness between the connector C-41 and body control module (BCM) because the wiring harness is shorted to ground (R.H.D.).
		No	Replace the body control module (BCM) because there is a short to ground in the body control module (BCM). (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [(E)].)
3	INSPECT FOR SHORT TO GROUND BETWEEN EPS CONTROL MODULE AND CONNECTOR C-40/C-41 •  Inspect for continuity at the following terminals: ―  Between EPS control module terminal 2C and body ground ―  Between EPS control module terminal 2A and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 5.
4	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 2C (wiring harness side) and body ground ―  Between EPS control module terminal 2A (wiring harness side) and body ground •  Is there continuity?	Yes	•  Repair or replace the wiring harness between the EPS control module and connector C-40 because the wiring harness is shorted to ground (L.H.D.). •  Repair or replace the wiring harness between the EPS control module and connector C-41 because the wiring harness is shorted to ground (R.H.D.).
		No	Replace the EPS control module because there is a short to ground in the EPS control module. (See STEERING WHEEL AND COLUMN INSPECTION.)
5	INSPECT FOR SHORT TO GROUND BETWEEN AUTO LEVELING CONTROL MODULE / ADAPTIVE LED HEADLIGHTS CONTROL MODULE AND CONNECTOR C-40/C-41 •  Inspect for continuity at the following terminals: ―  Between auto leveling control module / adaptive LED headlights control module terminal E and body ground ―  Between auto leveling control module / adaptive LED headlights control module terminal H and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 7.
6	INSPECT CAN LINE IN AUTO LEVELING CONTROL MODULE / ADAPTIVE LED HEADLIGHTS CONTROL MODULE FOR SHORT TO GROUND •  Disconnect the auto leveling control module / adaptive LED headlights control module connector. •  Inspect for continuity at the following terminals: ―  Between auto leveling control module / adaptive LED headlights control module terminal E (wiring harness side) and body ground ―  Between auto leveling control module / adaptive LED headlights control module terminal H (wiring harness side) and body ground •  Is there continuity?	Yes	•  Repair or replace the wiring harness between the auto leveling control module / adaptive LED headlights control module and connector C-40 because the wiring harness is shorted to ground (L.H.D.). •  Repair or replace the wiring harness between the auto leveling control module / adaptive LED headlights control module and connector C-41 because the wiring harness is shorted to ground (R.H.D.).
		No	Replace the auto leveling control module / adaptive LED headlights control module because there is a short to ground in the auto leveling control module / adaptive LED headlights control module. (See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION [(E)].) (See ADAPTIVE LED HEADLIGHTS CONTROL MODULE REMOVAL/INSTALLATION.)
7	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-40/C-41 AND CONNECTOR C-13 •  Connect the connector C-40 (L.H.D.). •  Connect the connector C-41 (R.H.D.). •  Disconnect the connector C-13. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	•  Repair or replace the wiring harness between the connector C-40 and connector C-13 because the wiring harness is shorted to ground (L.H.D.). •  Repair or replace the wiring harness between the connector C-41 and connector C-13 because the wiring harness is shorted to ground (R.H.D.).
		No	Go to the next step.
8	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-13 AND CONNECTOR C-21 •  Connect the connector C-13. •  Disconnect the connector C-21. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-13 and connector C-21 because the wiring harness is shorted to ground.
		No	Go to the next step.
9	INSPECT FOR SHORT TO GROUND BETWEEN SAS CONTROL MODULE AND CONNECTOR C-21 •  Inspect for continuity at the following terminals: ―  Between SAS control module terminal 3A and body ground ―  Between SAS control module terminal 3D and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 13.
10	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-21 AND CONNECTORS C-55, C-56 •  Disconnect the connectors C-55, C-56. •  Connect the connector C-21. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-21 and connectors C-55, C-56 because the wiring harness is shorted to ground.
		No	Go to the next step.
11	INSPECT FOR SHORT TO GROUND BETWEEN SAS CONTROL MODULE AND CONNECTORS C-55, C-56 •  Inspect for continuity at the following terminals: ―  Between SAS control module terminal 3A and body ground ―  Between SAS control module terminal 3D and body ground •  Is there continuity?	Yes	Go to the next step.
		No	Repair or replace the wiring harness between the connectors C-55, C-56 and connector C-21 because the wiring harness is shorted to ground.
12	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 3A (wiring harness side) and body ground ―  Between SAS control module terminal 3D (wiring harness side) and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the SAS control module and connectors C-55, C-56 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].)
13	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-21 AND CONNECTOR C-07 •  Connect the connector C-21. •  Disconnect the connector C-07. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-21 and connector C-07 because the wiring harness is shorted to ground.
		No	•  Go to the next step. (SKYACTIV-D (ATX)) (with connectors C-37, C-36) •  Go to Step 20. (SKYACTIV-D (ATX)) (without connectors C-37, C-36) •  Go to Step 24. (SKYACTIV-G or SKYACTIV-X or SKYACTIV-D (MTX)) (with connectors C-37, C-36) •  Go to Step 28. (SKYACTIV-G or SKYACTIV-X or SKYACTIV-D (MTX)) (without connectors C-37, C-36)
14	INSPECT FOR SHORT TO GROUND BETWEEN TCM AND CONNECTOR C-07 / CONNECTORS C-37, C-36 •  Disconnect the connectors C-37, C-36. •  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 Step 17.
		No	Go to the next step.
15	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-02 AND CONNECTOR C-07 / CONNECTORS C-37, C-36 •  Disconnect the connector C-02. •  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	Repair or replace the wiring harness between the connector C-02 and connector C-07 / connectors C-37, C-36 because the wiring harness is shorted to ground.
		No	Go to the next step.
16	INSPECT CAN LINE IN TCM FOR SHORT TO GROUND •  Disconnect the TCM. •  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-02 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 [ET6A-EL, ET6AX-EL (E)].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [EV6A-EL, EV6AX-EL (E)].)
17	INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT AND CONNECTORS C-37, C-36 •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 19.
18	INSPECT CAN LINE IN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNITFOR SHORT TO GROUND •  Disconnect the DSC HU/CM / electronically controlled brake unit connector. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM (wiring harness side) and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO (wiring harness side) and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Repair or replace the wiring harness between the DSC HU/CM / electronically controlled brake unit and connectors C-37, C-36 because the wiring harness is shorted to ground.
		No	Replace the DSC HU/CM / electronically controlled brake unitbecause there is a short to ground in the DSC HU/CM / electronically controlled brake unit. (See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].) (See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [L.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [R.H.D.].)
19	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 connectors C-37, C-36 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 1.8].)
20	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-02 AND TCM •  Disconnect the connector C-02. •  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 Step 22.
		No	Go to the next step.
21	INSPECT CAN LINE IN TCM FOR SHORT TO GROUND •  Disconnect the TCM. •  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-02 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 [ET6A-EL, ET6AX-EL (E)].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [EV6A-EL, EV6AX-EL (E)].)
22	INSPECT CAN LINE IN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT FOR SHORT TO GROUND •  Disconnect the DSC HU/CM / electronically controlled brake unit connector. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM (wiring harness side) and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO (wiring harness side) and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Go to the next step.
		No	Replace the DSC HU/CM / electronically controlled brake unit because there is a short to ground in the DSC HU/CM / electronically controlled brake unit. (See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].) (See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [L.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [R.H.D.].)
23	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-07 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 1.8].)
24	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-07 AND CONNECTORS C-37, C-36 •  Connect the connector C-07. •  Disconnect the connectors C-37, C-36. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-07 and connectors C-37, C-36 because the wiring harness is shorted to ground.
		No	Go to the next step.
25	INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT AND CONNECTORS C-37, C-36 •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Go to the next step.
		No	Go to Step 27.
26	INSPECT CAN LINE IN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT FOR SHORT TO GROUND •  Disconnect the DSC HU/CM / electronically controlled brake unit connector. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM (wiring harness side) and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO (wiring harness side) and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Repair or replace the wiring harness between the DSC HU/CM / electronically controlled brake unit and connectors C-37, C-36 because the wiring harness is shorted to ground.
		No	Replace the DSC HU/CM / electronically controlled brake unit because there is a short to ground in the DSC HU/CM / electronically controlled brake unit. (See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].) (See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [L.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [R.H.D.].)
27	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-37, C-36 AND CONNECTOR C-02 •  Connect the connectors C-37, C-36. •  Disconnect the connector C-02. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connectors C-37, C-36 and connector C-02 because the wiring harness is shorted to ground.
		No	•  Go to Step 30. (SKYACTIV-G or SKYACTIV-X (ATX)) •  Go to Step 34. (SKYACTIV-G or SKYACTIV-X (MTX), SKYACTIV-D (MTX))
28	INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT AND CONNECTOR C-07 / CONNECTOR C-02 •  Disconnect the connector C-02. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Go to the next step.
		No	•  Go to Step 30. (SKYACTIV-G or SKYACTIV-X (ATX)) •  Go to Step 34. (SKYACTIV-G or SKYACTIV-X (MTX), SKYACTIV-D (MTX))
29	INSPECT CAN LINE IN DSC HU/CM / ELECTRONICALLY CONTROLLED BRAKE UNIT FOR SHORT TO GROUND •  Disconnect the DSC HU/CM / electronically controlled brake unit connector. •  Inspect for continuity at the following terminals: ―  Between DSC HU/CM terminal L (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between DSC HU/CM terminal J (wiring harness side) and body ground (without Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AM (wiring harness side) and body ground (with Mazda M Hybrid) ―  Between electronically controlled brake unit terminal 1AO (wiring harness side) and body ground (with Mazda M Hybrid) •  Is there continuity?	Yes	Repair or replace the wiring harness between the DSC HU/CM / electronically controlled brake unit and connector C-07 / connector C-02 because the wiring harness is shorted to ground.
		No	Replace the DSC HU/CM / electronically controlled brake unit because there is a short to ground in the DSC HU/CM / electronically controlled brake unit. (See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].) (See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [L.H.D.].) (See ELECTRONICALLY CONTROLLED BRAKE UNIT REMOVAL/INSTALLATION [R.H.D.].)
30	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-02 AND CONNECTOR C-38 •  Connect the connector C-02. •  Disconnect the connector C-38. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-02 and connector C-38 because the wiring harness is shorted to ground.
		No	Go to the next step.
31	INSPECT FOR SHORT TO GROUND BETWEEN TCM AND CONNECTOR C-38 •  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 33.
32	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-38 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 [ET6A-EL, ET6AX-EL (E)].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [EV6A-EL, EV6AX-EL (E)].)
33	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-38 AND CONNECTOR C-01 •  Connect the connector C-38. •  Disconnect the connector C-01. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-38 and connector C-01 because the wiring harness is shorted to ground.
		No	Go to Step 35.
34	INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-02 AND CONNECTOR C-01 •  Connect the connector C-02. •  Disconnect the connector C-01. •  Inspect for continuity at the following terminals: ―  Between body control module (BCM) terminal 3X and body ground ―  Between body control module (BCM) terminal 3W and body ground •  Is there continuity?	Yes	Repair or replace the wiring harness between the connector C-02 and connector C-01 because the wiring harness is shorted to ground.
		No	Go to the next step.
35	INSPECT CAN LINE IN PCM FOR SHORT TO GROUND •  Disconnect the PCM connector. •  Inspect for continuity at the following terminals: ―  Between PCM terminal 2S (wiring harness side) and body ground (SKYACTIV-G or SKYACTIV-X) ―  Between PCM terminal 2T (wiring harness side) and body ground (SKYACTIV-G or SKYACTIV-X) ―  Between PCM terminal 2AK (wiring harness side) and body ground (SKYACTIV-D) ―  Between PCM terminal 2AL (wiring harness side) and body ground (SKYACTIV-D) •  Is there continuity?	Yes	Repair or replace the wiring harness between the PCM and connector C-01 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-G (WITH CYLINDER DEACTIVATION (E))].) (See PCM REMOVAL/INSTALLATION [SKYACTIV-X 2.0].) (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)