DTC B1132: Left Rear Power Window Motor A-Phase Pulse Signal Input Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Clear the DTCs with the HDS.
Turn the ignition switch to LOCK (0) and then back to ON (II).
Open and close the left rear power window by using the left rear power window switch manually.
Check for DTCs with the HDS.
Is DTC B1132 indicated?

YES -Go to step 5.

NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
Open and close the left rear power window by using the power window master switch manually.
Does the window motor operate?

YES -Go to step 6.

NO -Test the left rear power window motor (see POWER WINDOW MOTOR TEST ). If the motor tests OK, go to step 6.
Select POWER WINDOWS from the BODY ELECTRICAL SYSTEM SELECT menu, and enter the DATA LIST.
Check the DETECT/NONE information of the left rear window motor A-phase pulse signal in the DATA LIST.
Does the information indicator display DETECT while the window is moving, and display NONE when the window is stopped?

YES -Replace the left rear power window switch (see POWER WINDOW MASTER SWITCH REPLACEMENT ).

NO -Go to step 8.
Check for DTCs with the HDS.
Is DTC B1133 also indicated?

YES -Go to step 15.

NO -Go to step 9.
Turn the ignition switch to LOCK (0).
Disconnect the 14P connector from the left rear power window switch.
Disconnect the 6P connector from the left rear power window motor.
Check for continuity between left rear power window switch 14P connector terminal No. 5 and left rear power window motor 6P connector terminal No. 5.

Fig 1: Checking Continuity Between Switch 14P Connector Terminal No. 5 And Left Rear Power Window Motor 6P Connector Terminal No. 5
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 13.

NO -Repair an open or high resistance in the wire.
Check for continuity between left rear power window motor 6P connector terminal No. 5 and body ground.

Fig 2: Checking Continuity Between Left Rear Power Window Motor 6P Connector Terminal No. 5 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to ground in the wire.

NO -Go to step 14.
Test the left rear power window motor (see POWER WINDOW MOTOR TEST ).
Is the motor OK?

YES -Replace the left rear power window switch (see POWER WINDOW MASTER SWITCH REPLACEMENT ).

NO -Faulty the left rear power window motor; replace left rear door regulator (see REAR DOOR GLASS, QUARTER GLASS, AND REGULATOR REPLACEMENT ).
Check for continuity between left rear power window switch 14P connector terminal No. 6 and body ground.

Fig 3: Checking Continuity Between Left Rear Power Window Switch 14P Connector Terminal No. 6 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 16.

NO -Repair an open or high resistance in the wire or poor ground (G601).
Check for continuity between left rear power window switch 14P connector terminal No. 3 and left rear power window motor 6P connector terminal No. 1 respectively.

Fig 4: Checking Continuity Between Switch 14P Connector Terminal No. 3 And 6P Connector Terminal No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 17.

NO -Repair an open or high resistance in the wire.
Check for continuity between left rear power window motor 6P connector terminal No. 1 and body ground.

Fig 5: Checking Continuity Between Left Rear Power Window Motor 6P Connector Terminal No. 1 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to ground in the wire.

NO -Faulty the left rear power window motor; replace left rear door regulator (see REAR DOOR GLASS, QUARTER GLASS, AND REGULATOR REPLACEMENT ).