SFTE/SFI System 2JZ-GTE — Idle Air Control (IAC) Valve On-Vehicle Inspection, page 39

EG-296
ENGINE – SFI SYSTEM (2JZ–GTE)

IDLE AIR CONTROL (IAC) VALVE
ON–VEHICLE INSPECTION

1. INSPECT IAC VALVE FOR OPERATING SOUND
Check that there is a clicking sound immediately after stopping the engine.
If operation is not as specified, check the IAC valve, wiring and ECM.

2. INSPECT IAC VALVE RESISTANCE
Using an ohmmeter, measure the resistance between the terminals (B1 (or B2) to others).
Resistance:
At 20˚C (68˚F) 18–24 Ω
If resistance is not as specified, replace the IAC valve.

Ohmmeter
S4 B2 S2
S3 B1 S1
P11417

COMPONENTS FOR REMOVAL AND
INSTALLATION

IAC Valve Connector
Air Hose
Water Bypass Hose
IAC Valve
◆ Gasket
Water Bypass Hose
Seal Washer
Check Valve

◆ Non-reusable part
P15728