C1432

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1432: Steering Angle Sensor Power Source Voltage Malfunction
C1432 - Steering Angle Sensor Power Source Voltage Malfunction

DESCRIPTION

Signals from the steering sensor (built into spiral cable sub-assembly) are sent to the skid control ECU (built into the brake actuator assembly) through CAN communication.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* Do not remove the steering sensor from the spiral cable.
* When replacing the spiral cable, confirm that the replacement part is of the correct specification.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT
When the speed sensor or the yaw rate and acceleration sensor has trouble, DTCs for the steering angle sensor may be output even when the steering angle sensor is normal. When DTCs for the speed sensor or yaw rate and acceleration sensor are output together with DTCs for the steering angle sensor, inspect and repair the speed sensor and yaw rate and acceleration sensor first, and then inspect and repair the steering angle sensor.

PROCEDURE

1. INSPECT STEERING ANGLE SENSOR (BAT TERMINAL)

(a) Turn the ignition switch off.





(b) Remove the steering wheel and the column cover lower.

(c) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

(d) Disconnect the D20 steering angle sensor connector.

(e) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (BAT CIRCUIT)
OK -- Continue to next step.

2. INSPECT STEERING ANGLE SENSOR (IG1 TERMINAL)

(a) Turn the ignition switch ON.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT)
OK -- Continue to next step.

3. INSPECT STEERING ANGLE SENSOR (GND TERMINAL)

(a) Turn the ignition switch off.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





HINT
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (GND)

OK -- REPLACE SPIRAL CABLE SUB-ASSEMBLY (STEERING ANGLE SENSOR) Removal