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
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).
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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Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION
When the air conditioning amplifier assembly is turned on, a magnet clutch assembly
signal is sent from the MGC terminal of the air conditioning amplifier assembly.
Then, the A/C COMP relay turns on to operate the magnet clutch assembly.
WIRI ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BLOWER ASSEMBLY
(a) Remove the bolt.
(b) Detach the 2 claws and remove the blower unit assembly.
2. REMOVE DEFROSTER NOZZLE ASSEMBLY
(a) Detach the 6 claws an ...
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