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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Reassembly
REASSEMBLY PROCEDURE 1. INSTALL KEY INTERLOCK SOLENOID WIRE (w/o Smart Key System) (a) Install the key interlock solenoid wire on to the install the ignition switch. 2. INSTALL IGNITION SWITCH ASSEMBLY (w/o Smart Key System) (a) Install the ign ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. When removing the window frame moulding, black out tape and outside stripe, heat the vehicle body, windo ...

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Toyota 4Runner: How To Proceed With Troubleshooting

System Diagram

Initialization

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