Toyota 4Runner: 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
.gif)
).
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.
Components
COMPONENTS
ILLUSTRATION
...
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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DESCRIPTION
The skid control ECU receives the stop light switch assembly signal and detects
the brake pedal operation status.
The skid control ECU has an open detection circuit, which stores this DTC if
it detects an open in the stop light input line of ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
(a) Connect the connector.
NOTICE:
When handling the airbag connector, take care not to damage the airbag
wire harness.
...
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