Toyota 4Runner: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the automatic running board system.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
|
2. |
INSPECT BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
|
|
3. |
CHECK FOR DTC |
(a) Check for DTCs and make a note of any codes that are output.
|
Result |
Proceed to |
|---|---|
|
No DTCs are output |
A |
|
DTC is output |
B |
| B | .gif) |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table (See page
.gif)
).
|
Result |
Proceed to |
|---|---|
|
Fault not listed in problem symptoms table |
A |
|
Fault listed in problem symptoms table |
B |
| B | |
GO TO STEP 6 |
|
|
5. |
OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check (See page ).
(b) Terminals of ECU (See page ).
|
|
6. |
REPAIR OR REPLACE |
|
|
7. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
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 ...
Other materials about Toyota 4Runner:
Multi-terrain Select Indicator Light does not Come ON
DESCRIPTION
When the ON/OFF switch of the multi-terrain select switch is turned on, multi-terrain
select control is enabled and the multi-terrain select indicator light illuminates.
After selecting a road surface type using the mode selector switch of the ...
Back Door Power Window Switch ON Stuck (B2312)
DESCRIPTION
This DTC is stored when the back door power window regulator motor is stuck.
NOTICE:
When a power window regulator is reinstalled or replaced, the power window control
system must be initialized.
Back Door P/W
DTC Code
...
0.027