PARKING DISTANCE CONTROL
Fault finding - Fault Finding Chart
87F
87F - 47V4 MR-372-J84-87F000$924_eng.mif
Vdiag No: 04-08
ALP3 Buzzer sounds constantly (no obstacle detected)
NOTESOnly investigate this customer complaint after a full check using the diagnostic tool
(no faults must be present or stored).
Switch off the ignition, and disconnect the parking
distance control computer connector to check the
insulation and continuity and ensure the absence of
interference resistance on the following connections:
1 connector: Parking
distance control
computerBuzzer
Track 2
Track 6Track 2
Track 1
Note:
The line coming from track 2 of the computer must be
insulated against + 12 V and the line coming from track 6
of the computer must be insulated against earth.
2 connectors:
Parking distance
control computer
16-track connectorBuzzer
Track 10
Track 2Track 2
Track 1
Repair if necessary (see vehicle wiring diagram).
Is the fault still present?
YES
With no obstacle less than 150 cm in front of the rear bumper, check that the distance parameters on the diagnostic
tool are 255 cm out of range (PR001, PR002, PR003, PR004).
If the parameters display a setting even though there is no obstacle in front of the rear bumper, make sure nothing
is interfering with the reading (sticker, mud, snow etc. on the rear bumper).
Repair if necessary.
End of fault finding procedure.
NO End of fault finding procedure.
AFTER REPAIRCheck that the system is operating correctly.
AAP_V04_ALP3/AAP_V08_ALP3