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 ).
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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:
Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION
This DTC is stored if the transponder key ECU assembly does not detect that the
unlock warning switch assembly is on even when the ignition switch is ON. Under
normal conditions, the unlock warning switch assembly is on when the ignition switc ...
High Engine Revolution Signal (C1544)
DESCRIPTION
The power steering ECU assembly receives engine speed signals from the ECM via
CAN communication. The power steering ECU assembly provides appropriate assisting
force in accordance with the engine speed signal.
DTC Code
...
0.0077