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 |
|
.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 (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 ...
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How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
1. OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedures below. The following
is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures
for the circuit you are ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLER CONDENSER ASSEMBLY
(a) If the fins of the cooler condenser are dirty, clean them with water. Dry
the fins with compressed air.
NOTICE:
Do not damage the fins of the condenser.
(b) If a fin of the cooler ...
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