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Wiring diagrams Section: Testing & Diagnostics

Engine Control System (1AR-FE) (Diagnostics - Introduction) (Except Hybrid): Diagnosis
Engine Control System (1AR-FE) (Diagnostics - Introduction) (Except Hybrid): Other

Engine Control System (2GR-FE) (Diagnostics - Introduction) (Except Hybrid): Diagnosis
Engine Control System (2GR-FE) (Diagnostics - Introduction) (Except Hybrid): Other

All sections

Engine Control System (2GR-FXE) (Diagnostic Codes (P0300 - P1423)) (Hybrid): Wiring Toyota Highlander III

Testing & Diagnostics

WIRING DIAGRAM

Refer to DTC P0102 for the mass air flow meter sub-assembly circuit.

Refer to WIRING DIAGRAM

Refer to Fuel Injector Circuit.

Refer to WIRING DIAGRAM

Refer to DTC P0335.

Refer to WIRING DIAGRAM

Refer to the DTC P0403.

Refer to WIRING DIAGRAM

Refer to DTC P0102.

Refer to WIRING DIAGRAM

Refer to DTC P0102.

Refer to WIRING DIAGRAM