DTC B1836: Power Seat Position Sensor Circuit Short
- Clear the DTCs with the HDS
- Turn the ignition switch to LOCK (0) and then back to ON (II)
- Operate the power seat adjustment switch in all directions for more than 1 second each
- Check for DTCs with the HDS
Is DTC B1836 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 5P connector from each motor
- Check for continuity between body ground and power seat control unit connector A (40P) terminal No 15Fig 1: Checking Continuity Between Power Seat Control Unit Connector A (40P) Terminal No 15 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 9
- Check for continuity between body ground (motor body) and terminal No 2 of the slide motor/position sensor
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair the slide motor/position sensor (see FRONT SEAT SLIDE MOTOR REPLACEMENT )
NO -Go to step 10
- Check for continuity between body ground (motor body) and terminal No 3 of the front up-down motor/position sensor, rear up-down motor/position sensor, and recline motor/position sensor
Is there continuity?
YES -If the front or rear up-down motor/position sensor is faulty, replace the faulty up-down motor/position sensor (front see FRONT SEAT UP-DOWN MOTOR REPLACEMENT ) (rear see REAR UP-DOWN MOTOR - DRIVER'S SEAT ) If the recline motor/position sensor is faulty, replace the recline motor/position sensor
NO -Replace the power seat control unit (see POWER SEAT CONTROL UNIT INPUT TEST/REPLACEMENT )