Diagnosis Procedure
CAUTION: The stopping distance on slippery road surfaces might be longer with the ABS operating than when the ABS is not operating.
1.CHECK FUNCTION
Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. In this condition, check stopping distance. After inspection, connect connector.
2.CHECK WHEEL SENSOR AND SENSOR ROTOR
Check the following:
3.CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
Unexpected pedal reaction
ABS function does not operateC1111 pump motor
Description
PUMP
The pump returns the brake fluid stored in the reservoir to the master
cylinder by reducing the pressure.
MOTOR
The motor drives the pump according to the signals transmitted by the ABS
actuator and electric unit (control
unit).
DTC Logic
DTC DETECTION LOGIC
DTC CON ...
Key cylinder switch
Description
The main power window and door lock/unlock switch detects
condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
Brake booster
Inspection
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreas ...