ADJUSTING ACC SENSOR (FRR SENSOR)
NOTE: This document applies to the entire F series with the new ACC sensor
(FRR -
Full Range Radar).
Special tool required:
Holder 36 1 100
Active Cruise Control
REMOVING AND INSTALLING/REPLACING SENSOR FOR LANE CHANGE WARNING
(HC2 SENSOR) ON LEFT OR RIGHT
Necessary preliminary work
Remove REAR BUMPER TRIM
Disconnect plug connection (1).
Unfasten screws (2
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufacturers
Check
Secondary signal for
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection
Insert complete new screw connection consisting of toothed ring (1), banjo
bolt (2) and assembly plug (3) into
air spring/pipe connection of air supply unit.
Tightening torque 37 12 3AZ