Description
Refer to the description of "slip indicator light remains on" (see page bc-152).
Wiring diagram
Refer to the slip indicator light circuit (see page bc-152).
Inspection procedure
Notice:
When replacing the abs and traction actuator, perform the zero point calibration (see page bc- 24).
Result 


Ok: the slip indicator light turns on and off.

Replace abs and traction actuator assembly

Replace abs and traction actuator assembly
Slip indicator light remains on
Downhill assist control indicator light remains onTerminals of ecu
Check tire pressure warning ecu
Disconnect the e56 ecu connector.
Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the e56 ecu connector.
Measure the ...
Diagnosis system
Check dlc3
The ecm uses iso 15765-4 for communication. The
terminal arrangement of the dlc3 complies with sae
j1962 and matches the iso 15765-4 format.
If the result is not as specified, the dlc3 may have a
malfunction. Repair or replace the harness and
connector.
Hint:
Conn ...
On-vehicle inspection
Check throttle body
Check the throttle control motor operating sounds.
Turn the ignition switch on.
When pressing the accelerator pedal, check
the operating sound of the running motor. Make
sure that no friction noises emit from the motor.
If friction noise exists, replace t ...