DESCRIPTION
The unlock position sensor is one of the components comprising the steering lock ECU (steering lock actuator assembly). The sensor switch contact closes when the steering lock is released. The steering lock release signal is then sent to the power management control ECU. Upon receiving the signal, the ECU permits engine start. This prevents the engine from being started with the steering wheel locked.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
After replacing the steering lock ECU (steering lock actuator assembly), confirm the Initialization of the steering lock (See page ).
PROCEDURE
1. |
INSPECT STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - POWER MANAGEMENT CONTROL ECU) |
(a) Disconnect the D17 connector from the steering lock ECU (steering lock actuator assembly). |
|
(b) Disconnect the D43 connector from the power management control ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D17-4 (SLP1) - D43-3 (SLP) |
Always |
Below 1 Ω |
D17-4 (SLP1) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) |
*2 |
Front view of wire harness connector (to Power Management Control ECU) |
OK |
CHECK SMART KEY SYSTEM (for Start Function) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Precaution
PRECAUTION
1. TROUBLESHOOTING PRECAUTION
NOTICE:
Be sure to read the supplemental restraint system precautions thoroughly
before servicing the brake system (See page
).
Care must be taken to replace each part properly as it could affect ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL INJECTOR ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified C ...