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:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
(a) Remove the main body ECU (See page ).
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Termi ...
Power Source Control ECU Malfunction (B2782)
DESCRIPTION
The steering lock ECU activates the steering lock motor with the power from the
power management control ECU through the IGE circuit. This prevents the steering
from being locked while the vehicle is moving.
If NG (PAST) is displayed for Powe ...
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