Toyota 4Runner: Precaution
PRECAUTION
1. PRECAUTIONS WHEN WORKING ON ELECTRIC STEERING LOCK
(a) After replacing the steering lock actuator assembly (steering lock ECU), perform key ID code registration.
(b) After replacing the steering lock actuator assembly (steering lock ECU), confirm the lock/unlock operation of the steering lock.
Operation Confirmation:
|
Steering Lock Condition |
Procedure |
|---|---|
|
Lock |
With the engine switch off, open and close any door. |
|
Unlock |
Turn the engine switch from off to on (ACC) or on (IG). |
(c) If checking for DTCs of the smart key system or if checking the Data List with the engine switch off, make sure that the driver door is open.
HINT:
When using the Techstream with the engine switch off to troubleshoot, connect the Techstream to the vehicle and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.
(d) When a steering lock system DTC is output, confirm and record the DTCs before turning the engine switch off or clearing the DTCs, as past DTCs are not stored in the certification ECU.
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
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Other materials about Toyota 4Runner:
Center Airbag Sensor Assembly Communication Circuit Malfunction (B1790)
DESCRIPTION
The center airbag sensor communication circuit consists of the occupant classification
ECU and center airbag sensor.
DTC B1790 is stored when a malfunction is detected in the center airbag sensor
communication circuit.
DTC Code
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Installation
INSTALLATION
PROCEDURE
1. TEMPORARILY INSTALL FRONT STABILIZER LINK ASSEMBLY RH
(a) Temporarily install the front stabilizer link assembly with the bolt.
HINT:
Make sure that the identification mark on the front stabilizer link assembly
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