Test A: No Communication With The Parking Aid Module

PINPOINT TEST A: NO COMMUNICATION WITH THE PARKING AID MODULE

A1-A2:

Normal Operation
The parking aid module communicates to the diagnostic tool through circuit 4-GN10 (GY). Voltage is supplied to the parking aid module on circuit 20-GN10 (PK/YE). The parking aid module is grounded through circuit 91-GN10 (BN).

Possible Causes
- circuit 20-GN10 (PK/YE) open
- circuit 91-GN10 (BN) open
- parking aid module