DTC B1C45:12 [BCM]
id0902f5390300
|
DESCRIPTION |
Windshield wiper park position switch circuit malfunction |
|---|---|
|
DETECTION CONDITION
|
• Short to power supply in the windshield wiper park position switch circuit.
|
|
POSSIBLE CAUSE
|
• Windshield wiper motor connector or terminals malfunction
• BCM connector or terminals malfunction
• Short to power supply in wiring harness between the following terminals:
• Windshield wiper motor malfunction
• BCM malfunction
|
 |
|
Diagnostic Procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
CONFIRM BCM DTC
• Clear the DTC using the M-MDS.
(See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)
• Is the same DTC present?
|
Yes
|
Go to the next step.
|
|
No
|
Go to Step 7.
|
||
|
2
|
INSPECT WINDSHIELD WIPER MOTOR CONNECTOR AND TERMINALS
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Disconnect the windshield wiper motor connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
|
Yes
|
Repair or replace the connector or terminals, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
3
|
INSPECT BCM CONNECTOR AND TERMINALS
• Disconnect the BCM connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
|
Yes
|
Repair or replace the connector or terminals, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
4
|
INSPECT WINDSHIELD WIPER PARK POSITION SWITCH CIRCUIT FOR SHORT TO POWER SUPPLY
• Windshield wiper motor and BCM connectors are disconnected.
• Reconnect the negative battery cable.
• Switch the ignition to ON.
• Measure the voltage at the following terminal (wiring harness-side):
• Is there any voltage?
|
Yes
|
Repair or replace the wiring harness for a possible short to power supply, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
5
|
INSPECT WINDSHIELD WIPER MOTOR
• Switch the ignition to off.
• Inspect the windshield wiper motor.
• Is there any malfunction?
|
Yes
|
Replace the windshield wiper motor, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
6
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC using the M-MDS.
(See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)
• Is the same DTC present?
|
Yes
|
Replace the BCM, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
7
|
VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
(See DTC TABLE [BCM].)
|
|
No
|
DTC troubleshooting completed.
|
||