Toyota Highlander Service Manual: Location

Toyota Highlander Service Manual / Emission control / Emission control system (3MZ-FE) / Location

Location

SYSTEM DIAGRAM

The emission control system is determined by the ECM based on signals from various sensors.

SYSTEM DIAGRAM

Emission control system (3MZ-FE)

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On-vehicle inspection

1. INSPECT AIR-FUEL RATIO COMPENSATION SYSTEM (a) Measure the voltage between the terminals of the ECM connectors. Standard: NOTICE: Connect test leads to the connector's backside. The co ...

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Replacement
1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-35 ) 2. REMOVE FRONT WHEELS 3. REMOVE ENGINE UNDER COVER NO.1 4. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY LH 5. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY RH 6. REMOVE FRONT FENDER APRON SEAL LH 7. REMOVE FRONT FENDER APRON SEAL ...