DETERMINING SHORT TO POWER SUPPLY LOCATION (CAN-BUS No.5) [L.H.D. (E)]
id100225003576
System Wiring Diagram
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Determination Procedure
Step |
Inspection |
Action |
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1
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INSPECT CAN LINE BETWEEN BODY CONTROL MODULE (BCM) AND CONNECTOR C-06 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-06.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
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Yes
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• Go to Step 3. (With parking assist unit (optical) / 360° view monitor control module)
• Go to Step 7. (Without parking assist unit (optical) / 360° view monitor control module)
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No
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Go to the next step.
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2
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INSPECT BODY CONTROL MODULE (BCM) FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector 2 which has body control module (BCM) terminals 2E and 2G.
• Connect the connector C-06.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G (wiring harness side).
• Is the voltage between 1.5—3.5 V?
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Yes
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Replace the body control module (BCM) because there is a short to the power supply in the body control module (BCM).
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No
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Repair or replace the wiring harness between the body control module (BCM) and connector C-06 because the wiring harness is shorted to the power supply.
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3
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INSPECT CAN LINE BETWEEN CONNECTOR C-40 AND CONNECTOR C-06 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-40.
• Connect the connector C-06.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
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-40 and connector C-06 because the wiring harness is shorted to the power supply.
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4
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INSPECT CAN LINE BETWEEN PARKING ASSIST UNIT (OPTICAL) / 360° VIEW MONITOR CONTROL MODULE AND CONNECTOR C-40 FOR SHORT TO POWER SUPPLY
• Measure the voltage at parking assist unit (optical) / 360° view monitor control module terminals 1C and 1A.
• Is the voltage between 1.5—3.5 V?
|
Yes
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Go to Step 6.
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No
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Go to the next step.
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5
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INSPECT PARKING ASSIST UNIT (OPTICAL) / 360° VIEW MONITOR CONTROL MODULE FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the parking assist unit (optical) / 360° view monitor control module connector.
• Connect the connector C-40.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
Yes
|
Replace the parking assist unit (optical) / 360° view monitor control module because there is a short to the power supply in the parking assist unit (optical) / 360° view monitor control module.
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No
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Repair or replace the wiring harness between the parking assist unit (optical) / 360° view monitor control module and connector C-40 because the wiring harness is shorted to the power supply.
|
||
6
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INSPECT CAN LINE BETWEEN CONNECTOR C-40 AND CONNECTOR C-13 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-13.
• Connect the connector C-40.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
Yes
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• Go to Step 8. (With driver monitoring camera unit)
• Go to Step 12. (Without driver monitoring camera unit)
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No
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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 the power supply.
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7
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INSPECT CAN LINE BETWEEN CONNECTOR C-06 AND CONNECTOR C-13 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-13.
• Connect the connector C-06.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
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Yes
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• Go to the next step. (With driver monitoring camera unit)
• Go to Step 11. (Without driver monitoring camera unit)
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No
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Repair or replace the wiring harness between the connector C-13 and connector C-06 because the wiring harness is shorted to the power supply.
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8
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INSPECT CAN LINE BETWEEN CONNECTOR C-38 AND CONNECTOR C-13 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-38.
• Connect the connector C-13.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
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-38 and connector C-13 because the wiring harness is shorted to the power supply.
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9
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INSPECT CAN LINE BETWEEN DRIVER MONITORING CAMERA UNIT AND CONNECTOR C-38 FOR SHORT TO POWER SUPPLY
• Measure the voltage at driver monitoring camera unit terminals 1F and 1E.
• Is the voltage between 1.5—3.5 V?
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Yes
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Go to Step 11.
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No
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Go to the next step.
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10
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INSPECT DRIVER MONITORING CAMERA UNIT FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the driver monitoring camera unit connector.
• Connect the connector C-38.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
Yes
|
Replace the driver monitoring camera unit because there is a short to the power supply in the driver monitoring camera unit.
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No
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Repair or replace the wiring harness between the driver monitoring camera unit and connector C-38 because the wiring harness is shorted to the power supply.
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11
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INSPECT CAN LINE BETWEEN CONNECTOR C-16 AND CONNECTOR C-38 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-16.
• Connect the connector C-38.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
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-16 and connector C-38 because the wiring harness is shorted to the power supply.
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12
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INSPECT CAN LINE BETWEEN CONNECTOR C-27 AND CONNECTOR C-16 FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the connector C-27.
• Connect the connector C-16.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
Yes
|
Go to the next step.
|
No
|
Repair or replace the wiring harness between the connector C-27 and connector C-16 because the wiring harness is shorted to the power supply.
|
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13
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INSPECT DRIVER FORWARD SENSING CAMERA (FSC) FOR SHORT TO POWER SUPPLY
• Switch the main power OFF.
• Disconnect the negative lead-acid battery terminal.
• Disconnect the forward sensing camera (FSC) connector.
• Connect the connector C-27.
• Connect the negative lead-acid battery terminal.
• Switch the main power ON (READY off).
• Measure the voltage at body control module (BCM) terminals 2E and 2G.
• Is the voltage between 1.5—3.5 V?
|
Yes
|
Replace the forward sensing camera (FSC) because there is a short to the power supply in the forward sensing camera (FSC).
|
No
|
Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-27 because the wiring harness is shorted to the power supply.
|