DTC B1008:11 [BCM]


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Malfunction Location

•  Windshield wiper mode switch circuit malfunction

Detection Condition

•  Short to ground detected in windshield wiper switch circuit with the windshield wiper switch off

Possible Causes


Vehicles With Wiper Switch On Right Side

•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal C and BCM connector terminal 3A
•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal L and BCM connector terminal 3D
•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal I and auto light/wiper control module connector terminal V
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal M and BCM connector terminal 3D
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal K and BCM connector terminal 3A
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal P and BCM connector terminal 3J
•  Auto light/wiper control module malfunction
•  Windshield wiper and washer switch malfunction
•  BCM malfunction


Vehicles With Wiper Switch On Left Side

•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal K and BCM connector terminal 3A
•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal D and BCM connector terminal 3D
•  Short circuit to ground in wiring harness between windshield wiper and washer switch connector terminal E and auto light/wiper control module connector terminal V
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal M and BCM connector terminal 3D
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal K and BCM connector terminal 3A
•  Short circuit to ground in wiring harness between auto light/wiper control module connector terminal P and BCM connector terminal 3J
•  Auto light/wiper control module malfunction
•  Windshield wiper and washer switch malfunction
•  BCM malfunction


System Wiring Diagram


Vehicles With Wiper Switch On Right Side

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Vehicles With Wiper Switch On Left Side

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Diagnostic Procedure

Step

Inspection

Action

1
PERFORM DTC INSPECTION
•  Clear DTCs using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS with the windshield wiper switch off.
•  Is DTC B1008:11 displayed?
Yes
Go to the next step.
No
DTC troubleshooting completed.
2
INSPECT WINDSHIELD WIPER AND WASHER SWITCH CONNECTOR CONDITION
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the windshield wiper and washer switch connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is the connector normal?
Yes
Go to the next step.
No
Repair/replace the connector or terminal.
After repair procedure, go to Step 8.
3
INSPECT WINDSHIELD WIPER AND WASHER SWITCH
•  Inspect the windshield wiper and washer switch.
•  Is the windshield wiper and washer switch normal?
Yes
Go to the next step.
No
Replace the windshield wiper and washer switch.
After replacement, go to Step 8.
4
INSPECT AUTO LIGHT/WIPER CONTROL MODULE CONNECTOR CONDITION
•  Disconnect the auto light/wiper control module connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is the connector normal?
Yes
Go to the next step.
No
Repair/replace the connector or terminal.
After repair procedure, go to Step 8.
5
INSPECT BCM CONNECTOR CONDITION
•  Disconnect the BCM connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is the connector normal?
Yes
Go to the next step.
No
Repair/replace the connector or terminal.
After repair procedure, go to Step 8.
6
INSPECT WINDSHIELD WIPER MODE SWITCH CIRCUIT FOR SHORT CIRCUIT TO GROUND
Vehicles with wiper switch on right side
•  Inspect for continuity between following connector terminals and body ground.
―  Windshield wiper and washer switch connector terminal I—body ground
―  Windshield wiper and washer switch connector terminal C—body ground
―  Windshield wiper and washer switch connector terminal L—body ground
―  Auto light/wiper control module connector terminal P—body ground
•  Is there continuity?
Vehicles with wiper switch on left side
•  Inspect for continuity between following connector terminals and body ground.
―  Windshield wiper and washer switch connector terminal E—body ground
―  Windshield wiper and washer switch connector terminal K—body ground
―  Windshield wiper and washer switch connector terminal D—body ground
―  Auto light/wiper control module connector terminal P—body ground
•  Is there continuity?
Yes
Repair/replace the malfunctioning vehicle wiring harness.
After repair procedure, go to Step 8.
No
Go to the next step.
7
INSPECT AUTO LIGHT/WIPER CONTROL MODULE
•  Reconnect the auto light/wiper control module.
•  Reconnect the negative battery cable.
•  Measure the voltage at following connector terminals.
―  Auto light/wiper control module connector terminal P
―  Auto light/wiper control module connector terminal M
―  Auto light/wiper control module connector terminal K
―  Auto light/wiper control module connector terminal V
•  Is the voltage normal?
Yes
Go to the next step.
No
Replace the auto light/wiper control module.
After replacement, go to the next step.
8
VERIFY DTC
•  Reconnect the disconnected connectors and the negative battery cable.
•  Clear DTCs using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS with the windshield wiper switch off.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the BCM.
Go to the next step.
No
Go to the next step.
9
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are there other DTCs output?
Yes
Perform the corresponding DTC inspection.
No
DTC troubleshooting completed.