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 ...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
HINT:
Operating the ignition switch, any switches or any doors triggers related ECU
and sensor communication with the CAN, which causes resistance variation.
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
(a) Disconnect the cable fro ...
Disposal
DISPOSAL
PROCEDURE
1. DISPOSE OF BRAKE BOOSTER ACCUMULATOR ASSEMBLY
(a) Place the brake booster accumulator assembly in a vise and cover
it with cloth.
(b) Using a saw, cut the brake booster acc ...
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