DTC B1133

DTC B1133  : Left rear power window motor B-phase pulse signal input error

DTC (Door Multiplex Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -3. Open and close the left rear power window by using the left rear power window switch manually.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1133 Left rear power window motor B-phase pulse signal input error

   Is DTC B1133 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Open wire check (P/W RR L MTR PLSB line)

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

   -2. Disconnect the following connectors.

   Left rear power window switch 10P connector Left rear power window motor 6P connector

   -3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Left rear power window switch 10P connector: disconnected Left rear power window motor 6P connector: disconnected
   Test point 1	Left rear power window switch 10P connector No. 9
   Test point 2	Left rear power window motor 6P connector (female terminals) No. 3:

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

   Is there continuity?

   YES 

   The P/W RR L MTR PLSB wire is not open. Go to step 3.

   NO 

   Repair an open or high resistance in the wire.

3. Shorted wire check (P/W RR L MTR PLSB line)

   -1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Left rear power window switch 10P connector: disconnected Left rear power window motor 6P connector: disconnected
   Test point 1	Left rear power window switch 10P connector No. 9
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to ground in the wire.

   NO 

   The P/W RR L MTR PLSB wire is OK. Faulty left rear power window motor; replace the left rear door regulator .