Go to step 31.
31. Do the rear up-down motor test See: Body and Frame/Seats/Power Seat Motor/Testing and Inspection/Driver's Power Seat Motor Test.
Is the motor OK?
YES -
Replace the power seat control unit.?
NO -
Replace the rear up-down motor/position sensor.?
B1828
DTC Troubleshooting: B1828
DTC B1828:
Power Seat Recline Motor Pulse Error
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Turn the ignition switch to LOCK (0) and then back to ON (II).
2. Clear the DTCs with the HDS.
3. Operate the power seat adjustment switch in all directions for at least 6 seconds each.
4. Check for DTCs with the HDS.
Is DTC B1828 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the recline motor/position sensor is OK at this time. Check for loose or poor connections at the power seat control unit
connector.?
5. Check for DTCs with the HDS.
Is DTC B1836 also indicated?
YES -
Go to the DTC B1836 troubleshooting See: B1836.?
NO -
Go to step 6.
6. Check for DTCs with the HDS.
Are DTCs B1825, B1826, and/or B1827 also indicated?
YES -
Go to step 17.
NO -
Go to step 7.
7. Turn the ignition switch to LOCK (0) and then back to ON (II).
8. Operate the recline switch for 2 seconds, and check the recline motor operation.