Idle Air Control Motor Circuits
NOTE:
For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION. For wiring diagrams, see WIRING DIAGRAMS - 2.5L V6
article in ENGINE PERFORMANCE.
- Turn ignition off. Disconnect Powertrain Control Module (PCM) connector. Inspect PCM connector for damaged or pushed out terminals. Repair as necessary. Perform TEST VER-2 . If PCM connector terminals are okay, go to next step.NOTE: For next step, see IAC DRIVER IDENTIFICATION table for IAC motor wire color identification.
- Using an external ohmmeter, check resistance of IAC motor driver No. 1 wire between IAC motor connector and PCM connector terminal No. 48. If resistance is more than 5 ohms, repair open in IAC motor driver No. 1 wire. Perform TEST VER-2 . If resistance is less than 5 ohms, replace PCM. Perform TEST VER-2.
IAC DRIVER IDENTIFICATION
| Application | Wire Color | |
|---|---|---|
| FJ22 Body | ||
| Driver No. 1 | Gray/Dark Blue | |
| JA Body | ||
| Driver No. 1 | Brown/Gray | |