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DTC Troubleshooting: B1042
DTC B1042: Front Wiper Security Line Error
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DTC Description |
DTC |
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B1042 Front Wiper Security Line Error |
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1. |
Problem verification:
Problem verification
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?1. |
Clear the DTCs with the HDS.
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?2. |
Turn the vehicle to the OFF (LOCK) mode and then the ON mode. |
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?3. |
Check for DTCs with the HDS.
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DTC Description |
DTC |
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B1042 Front Wiper Security Line Error |
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Is DTC B1042 indicated?
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Intermittent failure, the system is OK at this time. Check for loose or poor connections.? |
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2. |
Shorted wire check (BACK UP(WIPER) line):
Shorted wire check (BACK UP(WIPER) line)
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?1. |
Turn the vehicle to the OFF (LOCK) mode. |
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?2. |
Disconnect the following connectors.
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Body control module connector B (36P)
Windshield wiper control unit/motor 6P connector | |
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?3. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector B (36P): disconnected
Windshield wiper control unit/motor 6P connector: disconnected |
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Test point 1 |
Windshield wiper control unit/motor 6P connector No. 3 |
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Test point 2 |
Body ground | |
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Is there continuity?
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Repair a short to ground in the BACK UP(WIPER) wire between the body control module and the windshield wiper control unit/motor.? |
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The BACK UP(WIPER) wire is not shorted. Go to step 3. |
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3. |
Open wire check (BACK UP(WIPER) line):
Open wire check (BACK UP(WIPER) line)
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?1. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector B (36P): disconnected
Windshield wiper control unit/motor 6P connector: disconnected |
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Test point 1 |
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Test point 2 |
Windshield wiper control unit/motor 6P connector No. 3 | |
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Is there continuity?
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An open or poor connection in the BACK UP(WIPER) wire between the body control module and the windshield wiper control unit/motor.? | |