Tests BD
PINPOINT TEST BD: PARKING AID IS INOPERATIVETest BD1:
Test BD2-BD3:
Test BD3-BD4:
Test BD4 Continued:
Test BD5:
Test BD6-BD7:
Test BD6-BD9:
Test BD10-BD12:
Test BD13-BD14:
Test BD14-BD16:
Test BD17-BD18:
Test BD19-BD22:
Test BD23-BD24:
Test BD25-BD26:
Normal Operation
The parking aid system is enabled when the vehicle ignition is in RUN and REVERSE is selected. The parking aid module supplies power to the parking aid sensors on circuit 1439 (BN/PK). The parking aid module supplies ground to the parking aid sensors on circuit 1440 (DG/YE). The parking aid module receives a signal from the parking aid sensors on circuits 1444 (DB/YE), 1443 (WH/LB), 1442 (DG/WH) and 1441 (WH/LG). The system can be disabled through the message center located in the instrument cluster. The parking aid speaker is integral to the parking aid module. A 750 Hz variable warning tone is generated from a parking aid speaker attached to the parking aid module. The parking aid speaker increases the warning tone rate as the vehicle gets closer to an obstacle.
Possible Causes
- parking aid sensor
- parking aid module
- parking aid speaker
- parking aid disable switch
- circuit 140 (BK/PK) open
- circuit 1205 (BK) open
- circuit 400 (LB/BK) open or shorted to ground
- circuit 401 (PK) open, shorted to ground or shorted to power
- circuit 1437 (BK/PK) open, shorted to ground or shorted to power
- circuit 1438 (OG) open, shorted to ground or shorted to power
- circuit 1439 (BN/PK) open or shorted to ground
- circuit 1440 (DG/YE) open
- circuit 1441 (WH/LG) open, shorted to ground or shorted to power
- circuit 1442 (DG/WH) open, shorted to ground or shorted to power
- circuit 1443 (WH/LB) open, shorted to ground or shorted to power
- circuit 1444 (DB/YE) open, shorted to ground or shorted to power