DSM / B3908 01
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Memory functions not working
Seat can jerk during start and stop.
Height Position Sensor Circuit, Short to B+
Fault symptom
Memory functions not working
Seat can jerk during start and stop.
On-board diagnosis
Type of diagnosis:
| Continually when the engine is run. |
Enable criteria:
| When seat operation is permitted. |
Fault criteria:
| Control module sensor input exceeds 7 +/-0.2V. |
System reaction to a fault:
| The control module loses end position calibration for the motor in question. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
