Toyota 4Runner: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the lighting system.
- *: Use the Techstream.
PROCEDURE
|
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 (See page .gif)
).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
DTC output does not reoccur |
A |
|
DTC output reoccurs |
B |
| B | .gif) |
GO TO STEP 6 |
|
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in problem symptoms table |
A |
|
Fault is 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 ).
(c) Data List / Active Test (See page ).
|
|
6. |
ADJUST, REPAIR OR REPLACE |
|
|
7. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
System Description
SYSTEM DESCRIPTION
1. AUTOMATIC LIGHT CONTROL SYSTEM
(a) General
When the headlight dimmer switch is in the AUTO position, the automatic light
control sensor detects ambient light levels and outp ...
Other materials about Toyota 4Runner:
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL OUTER REAR VIEW MIRROR ASSEMBLY LH
(a) Attach the claw to install the ou ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE HEADLIGHT RELAY
(a) Remove the headlight relay from the engine room relay box.
2. INSPECT HEADLIGHT RELAY
(a) Measure the re ...
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