Toyota 4Runner: On-vehicle Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification Ecu / On-vehicle Inspection

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

CAUTION:

Be sure to follow the correct removal and installation procedures for the occupant classification ECU.

PROCEDURE

1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)

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

2. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

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

(b) Visually check for the following defects of the occupant classification ECU:

Cracks on the ECU housing
Dents on the ECU housing
Chips on the ECU housing
Cracks or other damage to the connector
Damage to the serial number

OK:

No defects are found.

HINT:

If any of the defects is found, replace the occupant classification ECU with a new one.

3. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

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

(b) Visually check for the following defects of the occupant classification ECU:

Cracks on the ECU housing
Dents on the ECU housing
Chips on the ECU housing
Cracks or other damage to the connector
Damage to the serial number

OK:

No defects are found.

HINT:

If any of the defects is found, replace the occupant classification ECU with a new one.

Installation

INSTALLATION PROCEDURE 1. INSTALL OCCUPANT CLASSIFICATION ECU (a) Attach the claw to install the occupant classification ECU. NOTICE: If the occupant classification ECU has been dr ...

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