DTC Troubleshooting: B1125
DTC B1125: Driver's Power Window Motor A Pulse Malfunction
DTC Description |
DTC |
B1125 Driver's power window motor A pulse malfunction |
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1. |
Problem verification:
Problem verification
?1. |
Check the parameter(s) below with the HDS.
Signal |
Current conditions |
Values |
Unit |
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
?1. |
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
?2. |
Disconnect the following connector.
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?3. |
Connect terminals A and B with a jumper wire.
Terminal A |
Driver's power window motor 6P connector No. 5 (ORN) |
Terminal B |
Body ground | |
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?4. |
Connect and disconnect the jumper wire to body ground repeatedly. |
?5. |
Check the parameter(s) below with the HDS.
Signal |
Current conditions |
Values |
Unit |
Driver's P/W Motor PulseA |
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Does the information indicator display DETECT?
3. |
Shorted wire check (P/W DR MTR PLSA line):
Shorted wire check (P/W DR MTR PLSA line)
?1. |
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
?2. |
Disconnect the jumper wire. |
?3. |
Disconnect the following connector.
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?4. |
Check for continuity between test points 1 and 2 individually.
Test condition |
IG LOCK (0) or OFF mode Driver's power window motor 6P connector: disconnected Power window master switch 37P connector: disconnected |
Test circuit |
P/W DR MTR PLSA |
Test point 1 |
Power window master switch 37P connector No. 17 (ORN) |
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.? | |