PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
The automatic running board does not function. |
PRB fuse |
|
Side auto step switch assembly |
|
|
Proceed to "Side Auto Step ECU Power Source Circuit" |
|
|
Proceed to "Side Auto Step Switch Circuit" |
|
|
Proceed to "Door Courtesy Switch Circuit" |
|
|
Side auto step controller ECU assembly |
|
|
The automatic running board is not stowed even when the door is closed. |
Proceed to "Door Courtesy Switch Circuit" |
|
Side auto step controller ECU assembly |
- |
|
The automatic running board is not stowed even when the vehicle is moving. |
Proceed to "Speed Signal Circuit" |
|
Main body ECU (Multiplex network body ECU) |
- |
|
The automatic running board reverses operation during deploying or stowing movement. |
Check that there is no foreign object blocking the automatic running board. |
- |
Check that there is no damage to the automatic running board link. |
- |
|
Side auto step motor assembly |
- |
Inner Rear View Mirror
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/ EC Mirror)
(a) Check operation of the electrochromic mirror.
Text in Illustration
*1
Black-colored Tape
...
General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in the 4RUNNER. In
general, ECU controlled systems are considered to be very intricate, requiring
a high level of technical knowledge to troubleshoot. However, most problem
...