DTC B1125

DTC B1125  : Driver's power window motor A pulse malfunction

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC (Multiplex Control Unit, Door)

1. Problem verification

   -1. Check the parameter(s) below with the HDS.

   Signal	Current conditions
   	Values	Unit
   Driver's P/W Motor PulseA

   Does the information indicator display DETECT while the window is moving, and display NONE when the window is stopped?

   YES 

   Intermittent failure, the system is OK at this time.

   NO 

   Go to step 2.

2. Power window motor pulse check

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Driver's power window motor 6P connector

   -3. Connect terminals A and B with a jumper wire.

   Terminal A	Driver's power window motor 6P connector (female terminals) No. 5:
   Terminal B	Body ground

   Courtesy of HONDA, U.S.A., INC.

   -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

   Does the information indicator display DETECT?

   YES 

   Faulty driver's power window motor; replace the driver's door regulator .

   NO 

   Go to step 3.

3. Shorted wire check (P/W_DR_MTR_PLSA line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Power window master switch 37P connector

   -3. Measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Driver's power window motor 6P connector: disconnected Power window master switch 37P connector: disconnected
   Test point 1	Power window master switch 37P connector No. 33
   Test point 2	Body ground

   Is there 1.0 MΩ or more?

   YES 

   Repair an open or high resistance in the wire.

   NO 

   Repair a short to ground in the wire.