Toyota 4Runner: How To Proceed With Troubleshooting

Toyota 4Runner Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	PASSENGER AIRBAG ON/OFF INDICATOR CHECK

4.	CHECK DTC (Present and Past DTCs)*

(a) Check for DTCs (See page ).

Result	Proceed to
DTC is output.	A
DTC is not output.	B

GO TO PROBLEM SYMPTOMS TABLE

DTC CHART

6.	CIRCUIT INSPECTION*

REPAIR

8.	CLEAR DTCS (Present and Past DTCs)*

(a) Clear the DTCs (See page ).

9.	CHECK DTC (Present and Past DTCs)*

(a) Check for DTCs (See page ).

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO STEP 5

10.	SYMPTOM SIMULATION

(a) Check the passenger airbag ON/OFF indicator condition.

Result	Proceed to
Passenger airbag ON/OFF indicator is operating normally.	A
Passenger airbag ON/OFF indicator ("OFF") and SRS warning light come on.	B

GO TO STEP 5

11.	CONFIRMATION TEST

END

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 ...

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Inspection
INSPECTION PROCEDURE 1. INSPECT SPIRAL CABLE SUB-ASSEMBLY (a) If there are any defects as mentioned below, replace the spiral cable with a new one: Scratches, cracks, dents or chips in the connector or spiral cable. (b) Check the spiral cable. Text in ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ign ...

Toyota 4Runner: How To Proceed With Troubleshooting

System Diagram

Initialization

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