DETERMINING SHORT TO GROUND LOCATION (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (EXCEPT MZR-CD 2.2, MZR 2.0 DISI i-stop, MZR 1.5))]
id0902n1003700
System wiring diagram
am3zzw00010540
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Determination procedure
Step |
Inspection |
Action |
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---|---|---|---|
1
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INSPECT FOR SHORT TO GROUND BETWEEN BCM AND INSTRUMENT CLUSTER
• Disconnect the negative battery cable.
• Disconnect connector 1 which has the BCM 1A and 1B terminals.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
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No
|
Go to Step 16.
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2
|
INSPECT CAN LINE INSIDE BCM FOR SHORT TO GROUND
• Disconnect connector 2 which has the BCM 2A and 2B terminals.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
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No
|
Replace the BCM because there is a short to ground in the BCM.
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3
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-17 AND INSTRUMENT CLUSTER
• Disconnect connector C-17.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to Step 7.
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No
|
Go to the next step.
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4
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-17 AND REAR VEHICLE MONITORING CONTROL MODULE (RH)
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
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No
|
Repair or replace the wiring harness between the BCM and connector C-17 because the wiring harness is shorted to ground.
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5
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INSPECT FOR SHORT TO GROUND BETWEEN REAR VEHICLE MONITORING CONTROL MODULE (RH) AND CONNECTOR C-24
• Disconnect connector C-24.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Repair or replace the wiring harness between connector C-17 and connector C-24 because the wiring harness is shorted to ground.
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6
|
INSPECT CAN LINE IN REAR VEHICLE MONITORING CONTROL MODULE (RH) FOR SHORT TO GROUND
• Disconnect the rear vehicle monitoring control module (RH) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between rear vehicle monitoring control module (RH) and connector C-24 because the wiring harness is shorted to ground.
|
No
|
Replace the rear vehicle monitoring control module (RH) because there is a short to ground in the rear vehicle monitoring control module (RH).
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7
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-43 AND INSTRUMENT CLUSTER
• Disconnect connector C-43.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to Step 11.
|
No
|
Go to the next step.
|
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8
|
INSPECT FOR SHORT TO GROUND BETWEEN AFS CONTROL MODULE AND CONNECTOR C-43
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 10.
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9
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INSPECT CAN LINE IN AFS CONTROL MODULE FOR SHORT TO GROUND
• Disconnect the AFS control module connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the AFS control module and connector C-43 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.
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10
|
INSPECT CAN LINE IN SAS CONTROL MODULE FOR SHORT TO GROUND
• Disconnect the SAS control module connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the SAS control module and connector C-43/connector-17 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.
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11
|
INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-47 AND DLC-2
• Disconnect connector C-47.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between connector C-47 and DLC-2 because the wiring harness is shorted to ground.
|
No
|
Go to the next step.
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12
|
INSPECT FOR SHORT TO GROUND BETWEEN KEYLESS CONTROL MODULE AND CONNECTOR C-47
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
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No
|
Go to Step 14.
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13
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INSPECT CAN LINE IN KEYLESS CONTROL MODULE FOR SHORT TO GROUND
• Disconnect the keyless control module connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the keyless control module and connector C-47 because the wiring harness is shorted to ground.
|
No
|
Replace the keyless control module because there is a short to ground in the keyless control module.
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14
|
INSPECT FOR SHORT TO GROUND BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-47
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Repair or replace the wiring harness between connector C-43 and connector C-47 because the wiring harness is shorted to ground.
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15
|
INSPECT CAN LINE IN INSTRUMENT CLUSTER FOR SHORT TO GROUND
• Disconnect the instrument cluster connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the instrument cluster and connector C-47 because the wiring harness is shorted to ground.
|
No
|
Replace the instrument cluster because there is a short to ground in the instrument cluster.
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16
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-41 AND BCM
• Connect connector 1 which has BCM terminals 1A and 1B.
• Disconnect connector C-41.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness because the wiring harness is shorted to ground between connector C-41 and the BCM.
|
No
|
Go to the next step.
|
||
17
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INSPECT FOR SHORT TO GROUND BETWEEN DSC HU/CM OR ABS HU/CM AND CONNECTOR C-41
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 19.
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18
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INSPECT CAN LINE IN DSC HU/CM OR ABS HU/CM FOR SHORT TO GROUND
• Disconnect DSC HU/CM or ABS HU/CM connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between DSC HU/CM or ABS HU/CM and connector C-41 because there is a short to ground in the wiring harness .
|
No
|
Replace the DSC HU/CM or ABS HU/CM because there is a short to ground in the DSC HU/CM or ABS HU/CM.
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19
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTORS C-02 AND C-41
• Connect connector C-41.
• Disconnect connector C-02.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
• For the MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo, MZR 1.6, and MZ-CD 1.6, go to Step 21.
• For the SKYACTIV-G 2.0, go to Step 22.
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20
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INSPECT CAN LINE IN EHPAS CONTROL MODULE FOR SHORT TO GROUND
• Disconnect the EHPAS control module connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the EHPAS control module and connector C-41/connector C-02 because there is short to ground in the wiring harness .
|
No
|
Replace the EHPAS control module because there is a short to ground in the EHPAS control module.
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21
|
INSPECT CAN-RELATED MODULES FOR SHORT TO GROUND
• Connect connector C-02.
• Verify the continuity between the following terminals while removing the PCM and TCM one by one.
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the PCM and TCM/connector C-02 because the wiring harness is shorted to ground.
|
No
|
Replace the module in which there was no continuity when it was removed.
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22
|
INSPECT FOR SHORT TO GROUND BETWEEN TCM AND CONNECTOR C-02
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 24.
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23
|
INSPECT CAN LINE IN TCM FOR SHORT TO GROUND
• Disconnect the TCM connector.
• Inspect for continuity at the following terminals:
• 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.
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24
|
INSPECT CAN LINE IN PCM FOR SHORT TO GROUND
• Disconnect the PCM connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness between the PCM and connector C-02 because the wiring harness is shorted to ground .
|
No
|
Replace the PCM because there is a short to ground in the PCM.
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