DETERMINING SHORT TO GROUND LOCATION (CAN-BUS No.3) [(US)]
DETERMINING SHORT TO GROUND LOCATION (CAN-BUS No.3) [(US)]
SM2566452
id1002x1002600
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Caution
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• 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 [(US)].)
System Wiring Diagram
am3zzw00027506
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Determination Procedure
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Caution
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• 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.
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Step |
Inspection |
Action |
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1
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INSPECT FOR SHORT TO GROUND BETWEEN BODY CONTROL MODULE (BCM) AND CONNECTOR C-32
• Switch the ignition off.
• Disconnect the negative battery cable. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)])
• Disconnect the connector C-32.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 3.
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2
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INSPECT CAN LINE IN BODY CONTROL MODULE (BCM) FOR SHORT TO GROUND
• Disconnect the connector 2 which has body control module (BCM) terminals 2L and 2J.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the body control module (BCM) and connector C-32 because the wiring harness is shorted to ground.
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No
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Replace the body control module (BCM) because there is a short to ground in the body control module (BCM).
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3
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INSPECT FOR SHORT TO GROUND BETWEEN FRONT COMBINATION LIGHT (LH) AND CONNECTOR C-32
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 5.
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4
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INSPECT CAN LINE IN FRONT COMBINATION LIGHT (LH) FOR SHORT TO GROUND
• Disconnect the front combination light (LH) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the front combination light (LH) and connector C-32 because the wiring harness is shorted to ground.
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No
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Replace the front combination light (LH) because there is a short to ground in the front combination light (LH).
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5
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-32 AND CONNECTOR C-33
• Disconnect the connector C-33.
• Connect the connector C-32.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-32 and connector C-33 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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6
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INSPECT FOR SHORT TO GROUND BETWEEN FRONT COMBINATION LIGHT (RH) AND CONNECTOR C-33
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 8.
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7
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INSPECT CAN LINE IN FRONT COMBINATION LIGHT (RH) FOR SHORT TO GROUND
• Disconnect the front combination light (RH) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
|
Repair or replace the wiring harness between the front combination light (RH) and connector C-33 because the wiring harness is shorted to ground.
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No
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Replace the front combination light (RH) because there is a short to ground in the front combination light (RH).
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8
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-04 AND CONNECTOR C-33
• Disconnect the connector C-04.
• Connect the connector C-33.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-04 and connector C-33 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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9
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INSPECT FOR SHORT TO GROUND BETWEEN CLIMATE CONTROL UNIT AND CONNECTOR C-04
• Disconnect the climate control unit connector.
• Connect the connector C-04.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-04 and climate control unit because the wiring harness is shorted to ground.
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No
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Go to the next step.
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10
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INSPECT CAN LINE IN CLIMATE CONTROL UNIT FOR SHORT TO GROUND
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Replace the climate control unit because there is a short to ground in the climate control unit.
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No
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Go to the next step.
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11
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INSPECT FOR SHORT TO GROUND BETWEEN CLIMATE CONTROL UNIT AND ACTIVE DRIVING DISPLAY
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 13.
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12
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INSPECT CAN LINE IN ACTIVE DRIVING DISPLAY FOR SHORT TO GROUND
• Disconnect the active driving display connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the active driving display and climate control unit because the wiring harness is shorted to ground.
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No
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Replace the active driving display because there is a short to ground in the active driving display.
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13
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INSPECT FOR SHORT TO GROUND BETWEEN CLIMATE CONTROL UNIT AND CONNECTOR C-40
• Disconnect the connector C-40.
• Connect the climate control unit connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-40 and climate control unit because the wiring harness is shorted to ground.
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No
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Go to the next step.
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14
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INSPECT FOR SHORT TO GROUND BETWEEN STEERING ANGLE SENSOR AND CONNECTOR C-40
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 16.
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15
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INSPECT CAN LINE IN STEERING ANGLE SENSOR FOR SHORT TO GROUND
• Disconnect the steering angle sensor connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the steering angle sensor and connector C-40 because the wiring harness is shorted to ground.
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No
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Replace the steering angle sensor because there is a short to ground in the steering angle sensor.
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16
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INSPECT FOR SHORT TO GROUND BETWEEN INSTRUMENT CLUSTER AND CONNECTOR C-40
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 18.
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17
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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?
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Yes
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Repair or replace the wiring harness between the instrument cluster and connector C-40 because the wiring harness is shorted to ground.
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No
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Replace the instrument cluster because there is a short to ground in the instrument cluster.
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18
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-13 AND CONNECTOR C-40
• Disconnect the connector C-13.
• Connect the connector C-40.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-13 and connector C-40 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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19
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INSPECT FOR SHORT TO GROUND BETWEEN CONNECTOR C-48 AND CONNECTOR C-13
• Disconnect the connector C-48.
• Connect the connector C-13.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the connector C-48 and connector C-13 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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20
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INSPECT FOR SHORT TO GROUND BETWEEN DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) AND CONNECTOR C-48
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 23.
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21
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INSPECT FOR SHORT TO GROUND BETWEEN DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) AND CONNECTOR C-23
• Disconnect the connector C-23.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between the connector C-48 and connector C-23 because the wiring harness is shorted to ground.
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22
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INSPECT CAN LINE IN DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) FOR SHORT TO GROUND
• Disconnect the door-electrical supply unit (passenger’s side) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the door-electrical supply unit (passenger’s side) and connector C-23 because the wiring harness is shorted to ground.
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No
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Replace the door-electrical supply unit (passenger’s side) because there is a short to ground in the door-electrical supply unit (passenger’s side).
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23
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INSPECT CAN LINE IN JB No.2 FOR SHORT TO GROUND
• Disconnect the connector C-49.
• Connect the connector C-48.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Replace the JB No.2 because there is a short to ground in the JB No.2.
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No
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Go to the next step.
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24
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INSPECT FOR SHORT TO GROUND BETWEEN LF CONTROL UNIT AND CONNECTOR C-49
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 26.
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25
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INSPECT CAN LINE IN LF CONTROL UNIT FOR SHORT TO GROUND
• Disconnect the LF control unit connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the LF control unit and connector C-49 because the wiring harness is shorted to ground.
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No
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Replace the LF control unit because there is a short to ground in the LF control unit.
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26
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INSPECT FOR SHORT TO GROUND BETWEEN DASH-ELECTRICAL SUPPLY UNIT AND CONNECTOR C-49
• Disconnect the dash-electrical supply unit connector.
• Connect the connector C-49.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the dash-electrical supply unit and connector C-49 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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27
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INSPECT CAN LINE IN DASH-ELECTRICAL SUPPLY UNIT FOR SHORT TO GROUND
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Replace the dash-electrical supply unit because there is a short to ground in the dash-electrical supply unit.
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No
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Go to the next step.
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28
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INSPECT FOR SHORT TO GROUND BETWEEN DASH-ELECTRICAL SUPPLY UNIT AND SHIFT PANEL (INDICATOR)
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Go to Step 30.
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29
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INSPECT CAN LINE IN SHIFT PANEL (INDICATOR) FOR SHORT TO GROUND
• Disconnect the shift panel (indicator) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the dash-electrical supply unit and shift panel (indicator) because the wiring harness is shorted to ground.
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No
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Replace the shift panel (indicator) because there is a short to ground in the shift panel (indicator).
(See INDICATOR INSPECTION.)
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30
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INSPECT FOR SHORT TO GROUND BETWEEN DASH-ELECTRICAL SUPPLY UNIT AND CONNECTOR C-46
• Disconnect the connector C-46.
• Connect the dash-electrical supply unit connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the dash-electrical supply unit and connector C-46 because the wiring harness is shorted to ground.
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No
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Go to the next step.
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31
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INSPECT CAN LINE IN JB No.1 FOR SHORT TO GROUND
• Disconnect the connector C-47.
• Connect the connector C-46.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Replace the JB No.1 because there is a short to ground in the JB No.1.
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No
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Go to the next step.
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32
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INSPECT FOR SHORT TO GROUND BETWEEN DOOR-ELECTRICAL SUPPLY UNIT (DRIVER’S SIDE) AND CONNECTOR C-47
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
|
Go to the next step.
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No
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Go to Step 35.
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33
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INSPECT FOR SHORT TO GROUND BETWEEN DOOR-ELECTRICAL SUPPLY UNIT (DRIVER’S SIDE) AND CONNECTOR C-22
• Disconnect the connector C-22.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
|
Go to the next step.
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No
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Repair or replace the wiring harness between the connector C-47 and connector C-22 because the wiring harness is shorted to ground.
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34
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INSPECT CAN LINE IN DOOR-ELECTRICAL SUPPLY UNIT (DRIVER’S SIDE) FOR SHORT TO GROUND
• Disconnect the door-electrical supply unit (driver’s side) connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the door-electrical supply unit (driver’s side) and connector C-22 because the wiring harness is shorted to ground.
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No
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Replace the door-electrical supply unit (driver’s side) because there is a short to ground in the door-electrical supply unit (driver’s side).
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35
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INSPECT CAN LINE IN ESU FOR SHORT TO GROUND
• Disconnect the ESU connector.
• Inspect for continuity at the following terminals:
• Is there continuity?
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Yes
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Repair or replace the wiring harness between the ESU and connector C-47 because the wiring harness is shorted to ground.
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No
|
Replace the ESU because there is a short to ground in the ESU.
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