Toyota 4Runner: Initialization
INITIALIZATION
1. INITIALIZE AUTOMATIC RUNNING BOARD SYSTEM
NOTICE:
When a side auto step controller ECU assembly is replaced, the side auto step controller ECU assembly must be initialized. Functions such as deploying/stowing and jam protection do not operate if the initialization is not performed.
HINT:
When the battery is replaced, it is not necessary to initialize the side auto step controller ECU assembly.
(a) Initialization procedure when replacing the side auto step ECU with a new one:
(1) Turn the side auto step switch assembly to OFF.
(2) Open either the front or rear door on the driver side and the front or rear door on the passenger side.
(3) Turn the side auto step switch assembly from AUTO to OFF 5 times in succession within 3 seconds.
(4) Turn the side auto step switch assembly to AUTO.
(5) Close either the front or rear door on the driver side and the front or rear door on the passenger side, and wait for 1.5 seconds or more.
(6) Open the closed doors, deploy the automatic running board and turn the side auto step switch assembly to OFF.
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 ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Other materials about Toyota 4Runner:
Symbols used in illustrations
Safety symbol
The symbol of a circle with a slash through it means “Do not”, “Do not do
this”, or “Do not let this happen”.
Arrows indicating operations
Indicates the action (pushing,
turning, etc.) used to operate switches and other de ...
How To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 9
DIAGNOSIS OF TIRE VIBRATION
2.
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