4. Steering Angle Sensor System

Inspection 4 - Steering Angle Sensor and Circuit Between Steering Angle Sensor and ABS Actuator and Electric Unit (Control Unit)

DTC C1143

1. CHECKING SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.

Self-diagnosis results
CONSULT-II display items
ST angle SEN SIGNAL

Also perform Inspection 1 for the CAN communication system.

Does "ST angle SEN CIRCUIT" appear on self-diagnosis display?

YES >> Poor connection. Repair or replace the applicable connector.
Check connector housing for disconnected, loose, bent and collapsed terminals. If any errors are detected, repair or replace the applicable part.
NO >> GO TO 2.

2. CHECKING STEERING angle SENSOR CIRCUIT










1. Disconnect ABS actuator and electric unit (control unit) harness connector and steering wheel angle sensor harness connector.
2. Check continuity between ABS actuator and electric unit (control unit) harness connector E39 and steering angle sensor harness connector M145.

Is inspection result OK?

YES >> GO TO 3.
NO >> Open or short in harness. Repair or replace the suspect harness.

3. DATA MONITOR CHECK
Execute "DATA MONITOR" for "STR angle SIG". Check that results are normal.







Is inspection result OK?

YES >> Perform ABS actuator and electric unit (control unit) self-diagnosis again.
NO >> Replace spiral cable (steering angle sensor). Adjust neutral position of steering angle sensor.