Fault code No.

Symptom Open or short circuit detected from the intake air temperature sensor.

Used diagnostic code No. 05 (intake air temperature sensor)


Inspection operation item and probable cause

Operation item and countermeasure

Reinstatement method

Installed condition of sensor

Check the installed area for looseness or pinching.

Connected condition of connector Inspect the coupler for any pins that may have pulled out. Check the locking condition of the coupler.

If there is a malfunction, repair it and connect it securely.

Intake air temperature sensor coupler Main wiring harness ECU coupler Sub-wire harness coupler

Reinstated by turning the mainswitch ON.

Open or short circuit in wiring harness and/or sub lead.

Repair or replace if there is an open or short circuit.

Between sensor coupler and ECU coupler black/blue - black/blue brown/white - brown/white

Defective intake air temperature sensor.

Execute the diagnostic mode (code No. 05)

Replace if defective.

1. Remove the intake air temperature sensor from the air filter case.

2. Connect the pocket tester (Q x 100) to the intake air temperature sensor terminal as shown.

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