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
...
Other materials about Toyota 4Runner:
Operation Check
OPERATION CHECK
1. CHECK AUTOMATIC RUNNING BOARD OPERATION
(a) When side auto step switch assembly is "AUTO", the operation and condition
of this control are described below.
Check that the driver side automatic running board operates as follows ...
Occupant Classification Sensor Power Supply Circuit Malfunction (B1793)
DESCRIPTION
The occupant classification sensor power supply circuit consists of the occupant
classification ECU and occupant classification sensors.
DTC B1793 is stored when a malfunction is detected in the occupant classification
sensor power supply cir ...
0.0063