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 ABS FUNCTION
Turn ignition switch OFF.
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
Check stopping distance.
After inspection, reconnect connector.
Is the inspection result normal? YES >> Inspection End.
NO >> Check brake system.
Unexpected pedal reaction
ABS function does not operateSystem description
Component parts
Component parts location
ABS actuator and electric unit (control
unit)
Av control unit
A/c auto amp.
Ecm
Ipdm e/r
Tcm
Data link connector
EPS control unit
Bcm
Combination meter
Steering angle sensor
Air bag diagnosis sensor unit
System
Can communi ...
Filament
Inspection and Repair
Inspection
When measuring voltage, wrap tin foil around the top of the negative
probe. Then press the foil against the wire with your finger.
Attach probe circuit tester (in Volt range) to middle portion of
each filament.
If a filament is burned out ...
C1143 Steering angle sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1143
ST ANG SEN CIRCUIT
When a malfunction is detected in steering angle sensor.
Harness or connector
Steering angle sensor
ABS actuator and electric u ...