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INTAKE-AIR SYSTEM [ZM] 01–13A–7 01–13A IDLE AIR CONTROL (IAC) VALVE INSPECTION [ZM] A3U011320661W04 Resistance Inspection Note • Perform the following test only as directed. 1. Carry out the “Idle Air Control (IAC) Inspection”. (See 01–03A–57 Idle Air Control (IAC) Inspection.) • If not as specified, perform the further inspection for the IAC valve. 2. Disconnect the negative battery cable. terminals using an ohmmeter. • If not as specified, replace the IAC valve. • If as specified, but PID value is failed, carry or replace wiring harnesses. — If the above open or short circuit is okay, replace IAC valve. Resistance 7.7—9.3 ohms [23 °°°° C {73 °°°° F}] Circuit Open/Short Inspection 1. Remove the PCM. (See 01–40A–7 PCM REMOVAL/INSTALLATION [ZM].) PCM as shown. 3. Tighten the connector attaching screw. Tightening torque 7.9—10.7 N·m {80—110 kgf·cm, 69.5—95.4 in·lbf} 4. Inspect for an open or short circuit in the following wiring harnesses by probing the applicable • Power circuit (IAC valve connector terminal A • GND circuit (IAC valve connector terminal B and PCM connector terminal 83) Short circuit • Power circuit (IAC valve connector terminal A and PCM connector terminal 54 to GND) • GND circuit (IAC valve connector terminal B and PCM connector terminal 83 to GND) 5. Reconnect the IAC valve connector. End Of Sie Y3U113WA3 X3U113WAJ 1712-1U-01G(01-13A).fm 7 ページ 2001年6月29日 金曜日 午前9時42分 |