DTC B1844: Power Seat Slide Switch Circuit Malfunction
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).
- Operate the slide switch in each direction for more than 3 seconds.
- Check for DTCs with the HDS.
Is DTC B1844 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Turn the ignition switch to LOCK (0).
- Disconnect power seat control unit connector A (40P).
- Disconnect the power seat adjustment switch 12P connector.
- Check for continuity between body ground and power seat control unit connector A (40P) terminals No. 1, No. 7, and No. 27 individually.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short to ground in the wire.
NO -Go to step 9.
- Check for continuity between these power seat control unit connector A (40P) terminals:
- No. 1 and No. 7
- No. 1 and No. 27
- No. 7 and No. 27
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short in the wire.
NO -Go to step 10.
- Do the power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT
).
Is the switch OK?
YES -Replace the power seat control unit.
NO -Replace the power seat adjustment switch.