Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC B1130, B1131: Front Passenger's Power Window Motor Pulse A Malfunction; Front Passenger's Power Window Motor Pulse B Malfunction
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Open and close the front passenger's power window by using the front passenger's power window switch manually.
Does the window motor operate?
YES - Go to step 4.
NO - Test the front passenger's power window motor (see FRONT PASSENGER'S POWER WINDOW MOTOR TEST ). If the motor tests OK, go to step 4.■
- Check for DTCs with the HDS.
Are DTCs B1130 and/or B1131 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections. ■
- Select the POWER WINDOWS from the BODY ELECTRICAL system select menu, and enter the DATA LIST.
- Check the DETECT/NONE information of the front passenger's power window motor A-phase and B-phase 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 front passenger's power window switch (see FRONT PASSENGER'S POWER WINDOW SWITCH REPLACEMENT ). ■
NO - Go to step 7.
- Turn the ignition switch to LOCK (0).
- Disconnect the front passenger's power window switch 37P connector.
- Disconnect the front passenger's power window motor 6P connector.
- Check for continuity between front passenger's power window switch 37P connector terminals No. 26, No. 27, No. 28 and front passenger's power window motor 6P connector terminals No. 5, No. 6 and No. 3.
Is there continuity?
YES - Go to step 11.
NO - Repair an open or high resistance in the wire. ■
- Check for continuity between front passenger's power window motor 6P connector terminals No. 3, No. 5, No. 6 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire. ■
NO - Go to step 12.
- Test the front passenger's power window motor (see FRONT PASSENGER'S POWER WINDOW MOTOR TEST
).
Is the motor OK?
YES - Replace the front passenger's power window switch (see FRONT PASSENGER'S POWER WINDOW SWITCH REPLACEMENT ). ■
NO - Replace the front passenger's power window motor (see FRONT PASSENGER'S POWER WINDOW MOTOR TEST ). ■
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.