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DTC Troubleshooting: B1125
DTC B1125: Driver's Power Window Motor A Pulse Malfunction
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DTC Description |
DTC |
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B1125 Driver's Power Window Motor A Pulse Malfunction |
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1. |
Problem verification:
Problem verification
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?1. |
Check the parameter(s) below with the HDS.
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Signal |
Current conditions |
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Values |
Unit |
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Driver's P/W Motor Pulse A |
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Does the information indicator display DETECT while the window is moving, and display NONE when the window is stopped?
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Intermittent failure, the system is OK at this time.? |
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2. |
Power window motor pulse check:
Power window motor pulse check
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?1. |
Turn the vehicle to the OFF (LOCK) mode. |
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?2. |
Disconnect the following connector.
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Driver's power window motor 6P connector | |
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?3. |
Connect terminals A and B with a jumper wire.
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Terminal A |
Driver's power window motor 6P connector No. 5 |
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Terminal B |
Body ground | |
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?4. |
Connect and disconnect the jumper wire to body ground repeatedly. |
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?5. |
Check the parameter(s) below with the HDS.
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Signal |
Current conditions |
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Values |
Unit |
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Driver's P/W Motor Pulse A |
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Does the information indicator display DETECT?
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3. |
Shorted wire check (P/W DR MTR PLSA line):
Shorted wire check (P/W DR MTR PLSA line)
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?1. |
Turn the vehicle to the OFF (LOCK) mode. |
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?2. |
Disconnect the following connector.
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Power window master switch 37P 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
Driver's power window motor 6P connector: disconnected
Power window master switch 37P connector: disconnected |
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Test point 1 |
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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 wire.? |
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Repair an open or high resistance in the wire.? | |