Toyota 4Runner: On-vehicle Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Supplemental Restraint Systems / Rear Airbag Sensor / On-vehicle Inspection

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

HINT:

Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.

PROCEDURE

1. CHECK REAR AIRBAG SENSOR LH (VEHICLE NOT INVOLVED IN COLLISION)

(a) Perform a diagnostic system check (See page ).

2. CHECK REAR AIRBAG SENSOR LH (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

(a) Perform a diagnostic system check (See page ).

(b) When the quarter panel of the vehicle or the surrounding area is damaged, check if there is any damage to the rear airbag sensor. If there are any defects as mentioned below, replace the rear airbag sensor with a new one:

Cracks, dents or chips on the sensor housing.
Cracks or other damage to the connector.
Peeling of the label or damage to the serial number.

CAUTION:

For removal and installation of the rear airbag sensor, be sure to follow the correct procedure.

3. CHECK REAR AIRBAG SENSOR LH (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

(a) When airbags have deployed as the result of a collision, be certain to replace all rear airbag sensors in the damaged area (anywhere in need of repair). Furthermore, it is also necessary to replace any rear airbag sensor in undamaged areas that have registered a major collision, or which exhibits any of the following abnormalities:

Cracks, dents or chips on the sensor housing.
Cracks or other damage to the connector.
Peeling of the label or damage to the serial number.

CAUTION:

For removal and installation of the rear airbag sensor, be sure to follow the correct procedure.

Components

COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

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. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE ...

Other materials about Toyota 4Runner:

Shifting between H2 and H4
Shifting from H2 to H4 Type A Reduce vehicle speed to less than 50 mph (80 km/h). Shift the front-wheel drive control lever to H4. Type B Reduce vehicle speed to less than 62 mph (100 km/h). Push the “UNLOCK” button and turn the front-whee ...

Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION This DTC is stored when the engine switch power source supply line is open or shorted. DTC Code DTC Detection Condition Trouble Area B278A The engine switch power source supply line i ...