PSL/PSR-312 Seat Front Edge, Motor 4

H A. Diagnostic trouble code (DTC) information

Condition
- Motor 4 controls the height of the seat at the front edge. If the voltage from the potentiometer for motor 4 to control module terminal V4 falls below 0.2 V diagnostic trouble code (DTC) PSL/PSR-312 is set.

Possible source
- Contact resistance in terminals.
- Loose contacts in terminals.
- Defective potentiometer, motor 4.
- Open-circuit in supply lead between control module and potentiometer, motor 4.
- Open-circuit in signal lead between control module and potentiometer, motor 4.
- Signal lead between control module and potentiometer to motor 4 short-circuited to ground.
- Defective control module.

Fault symptom(s)
- Memory activation does not work.