Toyota 4Runner manuals

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 ).


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 1. CHECK 4WD CONTROL ECU (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Speci ...

Disposal
DISPOSAL PROCEDURE 1. DISPOSE OF STABILIZER CONTROL WITH ACCUMULATOR HOUSING ASSEMBLY (a) Using a drill, make a hole in the areas of the accumulator housing indicated in the illustration to discharge the gas inside. CAUTION: ...

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