Power Circuit Checks
Using DVOM, check power circuits to ECM for opens or shorts. See appropriate wiring diagram in WIRING DIAGRAMS article.
ECM CIRCUIT RESISTANCE
| Circuit | (1) ECM Connector Terminals (Wire Colors) | Ohms | ||
|---|---|---|---|---|
| Control Relay | G16-G11 (Pink & Black/Yellow) | 114-140 | ||
| EGR & Throttle Opener VSV | G5-G14 (Lt. Green/Yellow & Lt. Green/White) | 70-80 | ||
| Fuel Injector | G8-G17 (Red & Yellow) | 1-2 | ||
| ISC Solenoid Valve | G6-G15 (Lt. Green & Black/Blue) | 5-7 | ||
| Lock-Up Relay & PTC Heater Relay | Y10-Y11 (White/Blue & White/Yellow) | 180-220 | ||
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