DTC B1837: Memory Position Calling Timeout
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 DTC with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Move the steering position to the full tilt up and full telescopic out positions with the power tilt/telescopic steering switch.
- Move both power mirrors to the full up and full left positions with the power mirror switch.
- Move the power seat to the full front up and full rear up positions, then slide the seat all the way back and completely recline the seat-back rearward with the power seat adjustment switch.
- Set seating position into memory by pressing either the Driver 1 or the Driver 2 position memory switch.
- Using the power seat switches, move the seat away from the positions just memorized.
- Recall the memory positions with the driving position memory switch.
- Wait for at least 3 minutes.
- Check for DTCs with the HDS.
Are any DTCs indicated?
YES -Go to step 11.
NO -Intermittent failure, the driving position memory system is OK at this time. Check for loose or poor connections at each DPMS connector.
- Check for DTCs with the HDS.
Are any DTCs other than B1837 indicated?
YES -Go to the indicated DTC'S TROUBLESHOOTING .
NO -Go to step 12.
- Clear the DTCs with the HDS.
- Wait for at least 120 seconds.
- Move the motors shown one at a time, and check their operation.
- Steering tilt motor up and down
- Steering telescopic motor pulled and pushed
- Power mirror actuator (up, down, left, right)
- Power seat motor (slide forward/backward, recline forward/rearward, front up-down, rear up-down)
Does any motor fail to run smoothly?
YES -Go to the failed motor test:
- Power tilt/telescopic motor test (see POWER TILT/TELESCOPIC STEERING MOTOR TEST ).
- Power mirror actuator test (see POWER MIRROR SWITCH TEST/REPLACEMENT ).
- Power seat motor test (see DRIVER'S POWER SEAT MOTOR TEST
).
If the motor is OK, check the engagement of the motor gear.
NO -Go to the each input test:
- Power seat control unit input test (see POWER SEAT CONTROL UNIT INPUT TEST/REPLACEMENT ).
- Power tilt/telescopic steering control unit input test (see POWER TILT/TELESCOPIC STEERING CONTROL UNIT INPUT TEST/REPLACEMENT ).
- Driver's MPCS unit input test (see DRIVER'S MPCS UNIT INPUT TEST ).