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. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
PASSENGER AIRBAG ON/OFF INDICATOR CHECK |
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4. |
CHECK DTC (Present and Past DTCs)* |
(a) Check for DTCs (See page .gif)
).
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Result |
Proceed to |
|---|---|
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DTC is output. |
A |
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DTC is not output. |
B |
| B | .gif) |
GO TO PROBLEM SYMPTOMS TABLE |
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5. |
DTC CHART |
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6. |
CIRCUIT INSPECTION* |
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7. |
REPAIR |
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8. |
CLEAR DTCS (Present and Past DTCs)* |
(a) Clear the DTCs (See page ).
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9. |
CHECK DTC (Present and Past DTCs)* |
(a) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
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DTC is not output |
A |
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DTC is output |
B |
| B | |
GO TO STEP 5 |
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10. |
SYMPTOM SIMULATION |
(a) Check the passenger airbag ON/OFF indicator condition.
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Result |
Proceed to |
|---|---|
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Passenger airbag ON/OFF indicator is operating normally. |
A |
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Passenger airbag ON/OFF indicator ("OFF") and SRS warning light come on. |
B |
| B | |
GO TO STEP 5 |
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11. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
Initialization
INITIALIZATION
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not occupied before performing the
operation.
HINT:
Perform the zero point calibration and sensitivit ...
Other materials about Toyota 4Runner:
Transmitter ID not Registered (C2171/71)
DESCRIPTION
The ID of each tire pressure warning valve and transmitter is registered to the
tire pressure warning ECU.
When the ECU detects that a transmitter ID code is not registered in the ECU,
this DTC is stored.
DTC Code
Detec ...
Acceleration Sensor Power Supply Voltage Malfunction (C1381)
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor
via the CAN communication system.
The yaw rate sensor has a built-in acceleration sensor and detects the vehicle's
condition using 2 circuits (GL1, GL2).
If ...
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