Toyota 4Runner: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the automatic running board system.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
|
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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 |
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DTC is output |
B |
| B | .gif) |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table (See page
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).
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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:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NAVIGATION ANTENNA ASSEMBLY (w/ Navigation System)
2. INSTALL AUTOMATIC LIGHT CONTROL SENSOR
3. INSTALL INSTRUMENT PANEL PASSENGER AIRBAG ASSEMBLY
4. INSTALL NO. 2 INSTRUMENT PANEL WIRE
(a) Attach the 17 clamps to ...
Driving assist systems
To help enhance driving safety and performance, the following systems
operate automatically in response to various driving situations.
Be aware, however, that these systems are supplementary and should not be
relied upon too heavily when operating the veh ...
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