ECM Circuit Resistance

Before installing ECM, resistance of designated circuits should be checked or ECM may be damaged. See ECM CIRCUIT RESISTANCE table. Check resistance with ignition off, connector installed on components and connector removed from ECM.

ECM CIRCUIT RESISTANCE

Circuit

⁽¹⁾ ECM Connector Terminals (Wire Colors)

Ohms

Fuel Injector

G8-G17 RED & YEL)

1-2

EGR & Throttle Opener VSV

Y8-G14 LT GRN/RED & LT GRN/WHT)

63-77

Fuel Pump & Main Relay

G15-G16 BLU & PNK)

124-153

ISC Solenoid Valve

G6-G11 LT GRN/BLK & BLK/YEL)

11-14

Lock-Up Relay A/T Models) ⁽²⁾

G1-Y11 BLU/BLK & WHT/YEL)

90-110

⁽¹⁾	For ECM terminal identification, see appropriate wiring diagram in WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section.

⁽²⁾	This may be referred to as Torque Converter Clutch (TCC) relay.