DTC B1836: Power Seat Position Sensor Circuit Short
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
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 OFF, and then back to ON (II).
- Operate the slide switch in each direction for more than 2 seconds.
- Check for DTCs with the HDS.
Is DTC B1836 indicated?
- YES - Go to step 5.
- NO - Intermittent failure. The driving position memory system is OK at this time. Check for loose or poor connections at the power seat control unit connector.
- Turn the ignition switch OFF.
- Disconnect the power seat control unit connector A (40P).
- Disconnect the slide position sensor 3P connector and the 5P connectors from the recline motor/position sensor, front up-down motor/position sensor, and rear up-down motor/position sensor.
- Check for continuity between the power seat control unit connector A (40P) No. 15 terminal and body ground.Fig 1: Checking Continuity Between Power Seat Control Unit Connector A (40P) Terminal 15 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
- YES - Repair a short in the wire.
- NO - Go to step 9.
- At the sensor end, check for continuity between the No. 3 terminal of each position sensor and body ground (motor body).Fig 2: Checking Continuity Between Terminal 3 Of Each Position Sensor And Body Ground (Motor Body - 1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 3: Checking Continuity Between Terminal 3 Of Each Position Sensor And Body Ground (Motor Body - 2 Of 2)Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
- YES - Replace the motor/position sensor that has continuity.
- NO - Replace the power seat control unit.