Toyota 4Runner manuals

Toyota 4Runner: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the airbag system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP


NEXT

2.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.


NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Check for DTCs (See page ).


Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO CAN COMMUNICATION SYSTEM


A

4.

WARNING LIGHT CHECK


NEXT

5.

CHECK DTC (Present and Past DTCs)*

(a) Check for DTCs (See page ).


Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO PROBLEM SYMPTOMS TABLE


A

6.

DTC CHART


NEXT

7.

CIRCUIT INSPECTION


NEXT

8.

REPAIR


NEXT

9.

CLEAR DTC (Present and Past DTCs)*


NEXT

10.

CHECK DTC (Present and Past DTCs)*

(a) Check for DTCs (See page ).


Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

11.

CONFIRMATION TEST


NEXT

END

System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Center Airbag Sensor ECM ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) In conjunction with the impact absorbing structure for a front collision, the SRS (Supplemental Restraint System) steering pad, instrument panel passenger airba ...

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On-vehicle Inspection
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Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: A bolt without a torque specification is shown in the standard bolt chart (See page ). PROCEDURE 1. INSTALL MULTIPLEX NETWORK BODY ECU NOTICE: Make sure that no foreign objects contact the connecting ...

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