Toyota 4Runner: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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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.
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3. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, inspect the CAN communication function to make sure there are no malfunctions in the communication system.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
HINT:
The skid control ECU sends the signals of each warning light via CAN communication.
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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4. |
CHECK DTC AND FREEZE FRAME DATA* |
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5. |
CLEAR DTC AND FREEZE FRAME DATA* |
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6. |
PROBLEM SYMPTOM CONFIRMATION |
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|
7. |
DTC CHECK AND CLEAR* |
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|
8. |
PROBLEM SYMPTOM CONFIRMATION |
|
Result |
Proceed to |
|---|---|
|
Symptom does not occur |
A |
|
Symptom occurs |
B |
| B | |
GO TO STEP 11 |
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|
9. |
SYMPTOM SIMULATION |
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|
10. |
CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)* |
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | |
GO TO STEP 12 |
|
|
11. |
PROBLEM SYMPTOMS TABLE |
| NEXT | |
GO TO STEP 14 |
|
12. |
DTC CHART |
|
|
13. |
CIRCUIT INSPECTION* |
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14. |
IDENTIFICATION OF PROBLEM |
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|
15. |
REPAIR OR REPLACE |
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16. |
CONFIRMATION TEST* |
| NEXT | |
END |
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. DESCRIPTION
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected through the ECU dat ...
Calibration
CALIBRATION
1. DESCRIPTION
(a) After replacing VSC-related components, clearing and reading the sensor calibration
data is necessary.
(b) Follow the chart to perform calibration.
Part ...
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Front Passenger Side Power Window Auto Up / Down Function does not Operate with
Front Passenger Side Power Window Switch
DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of
the following:
The ECU in the power window regulator motor determines that the power
window regulator motor has not been initialized.
The power window ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL INDOOR NO. 2 ELECTRICAL KEY ANTENNA ASSEMBLY
(a) Attach the 2 claws to install the indoor No. 2 electrical key antenna.
(b) Connect the connector.
(c) Install the front ...
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