Fault Code 1462

Fault code 1462

Passenger compartment sensor

NOTE: This fault was detected by the 'passenger compartment sensor'.

Diagnostic conditions
- Ignition on
- Battery voltage OK (11.4 to 14.5 V)
- Internal rear convenience system control module function test
- Alarm system activated

Possible causes of fault
- Sensors covered
- Passenger compartment sensor not installed correctly
- Passenger compartment sensor faulty

Affected pins
Rear convenience system control module, plug B:
- Pin 1 'passenger compartment sensor'

Diagnosis/troubleshooting

NOTE:
Visual inspection: In the next troubleshooting section, please check first that the affected pins on the rear convenience system control unit plug connection are neither damaged nor corroded. The wiring and plugs of the affected components must also be checked for external damage and correct contacts. Repair damaged or corroded pins if possible, otherwise replace affected pins. Repair or replace damaged wires.

NOTE:
Sporadic faults: In the event of faults that occur sporadically, the wiring positions that are linked to moving parts on and in the vehicle must be checked for each system. Various statuses that can cause faults must be simulated with the help of the wiring diagram.

NOTE:
Battery voltage: A battery voltage of between 11.4 and 14.5 V is required for the following troubleshooting procedure. This must be checked and provided, if necessary. On the vehicle electrical system, the voltage to the fuse (input side) must be guaranteed.

NOTE: The ultrasound sensors must not be covered by metallic objects.