Variable Gear Ratio Steering System

VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: C15A5/65: Actuator Malfunction

DTC C15A5/65 - Actuator Malfunction

DESCRIPTION

If the steering control ECU detects a malfunction in the lock mechanism, it will turn the master warning light on, store DTC C15A5/65, and stop VGRS operation.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (STEERING CONTROL ECU - STEERING ACTUATOR)





(a) Disconnect the E84 steering control ECU connector.
(b) Disconnect the E85 steering actuator connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK STEERING ACTUATOR (STEERING CONTROL ECU - STEERING ACTUATOR)
(a) Disconnect the E84 steering control ECU connector.
(b) Reconnect the E85 steering actuator connector.





(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE STEERING ACTUATOR ASSEMBLY
OK -- REPLACE STEERING CONTROL ECU