Unlock Position Sensor Signal Circuit

STEERING COLUMN: STEERING LOCK SYSTEM: Unlock Position Sensor Signal Circuit

Unlock Position Sensor Signal Circuit

DESCRIPTION

The unlock position sensor is one of the components comprising the steering lock actuator. The sensor switch contact closes when the steering lock is released. The steering lock release signal is then sent to the power source control ECU. Upon receiving the signal, the ECU permits engine start. This prevents the engine from being started with the steering locked.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)




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






NG -- CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - POWER SOURCE CONTROL ECU)
OK -- REPLACE STEERING LOCK ACTUATOR ASSEMBLY
2. CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - POWER SOURCE CONTROL ECU)




(a) Disconnect the J29 connector from the steering lock actuator assembly.
(b) Disconnect the J55 connector from the power source control ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for start)