Diagnosis Procedure
- CHECK STEERING FORCE CONTROL MODULE POWER SUPPLY CIRCUIT (1)
- Ignition switch OFF.
- Disconnect steering force control module connector.
- Check the voltage between steering force control module harness connector and ground.
+
-
Voltage
(Approx.)
Steering force control module
Connector
Terminal
E142
33
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK STEERING FORCE CONTROL MODULE POWER SUPPLY CIRCUIT (2)
- Check the 60A fusible link (#Q).
- Check the harness for open or short between steering force control module harness connector E142 terminal 33 and the 60A fusible link (#Q).
Is the inspection result normal?
YES
Perform the trouble diagnosis for battery power supply circuit. Refer to Wiring Diagram.
NO
Repair or replace malfunctioning components.
- CHECK STEERING ANGLE SUB CONTROL MODULE POWER SUPPLY CIRCUIT (1)
- Ignition switch OFF.
- Disconnect steering angle sub control module connector.
- Check the voltage between steering angle sub control module harness connector and ground.
+
-
Voltage
(Approx.)
Steering angle sub control module
Connector
Terminal
E145
33
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- CHECK STEERING ANGLE SUB CONTROL MODULE POWER SUPPLY CIRCUIT (2)
- Check the 100A fusible link (#Z).
- Check the harness for open or short between steering angle sub control module harness connector E145 terminal 33 and the 100A fusible link (#Z).
Is the inspection result normal?
YES
Perform the trouble diagnosis for battery power supply circuit. Refer to Wiring Diagram.
NO
Repair or replace malfunctioning components.
- PERFORM SELF-DIAGNOSIS
CONSULT
- Ignition switch ON.
- Erase "Self Diagnostic Result" mode of "DAST 1".
- Ignition switch OFF and wait for at least 10 seconds.
- Start the engine.CAUTION: Never drive the vehicle.
- Select "Self Diagnostic Result" mode of "DAST 1".
Is DTC "C13AC-00" detected?
YES
Replace steering angle main control module. Refer to Removal and Installation
NO
- Check enlarged contact spring of terminal. Refer to How to Check Terminal .
- Perform intermittent incident while turning steering wheel. Refer to Intermittent Incident .