ECM Circuit Resistance

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

ECM CIRCUIT RESISTANCE

Circuit

⁽¹⁾ ECM Connector (Wire Colors)

Ohms

Canister Purge

A1-B8 (BLU/BLK & LT GRN/RED)

8-40

EGR & Throttle Opener VSV

A5-A14 (LT GRN/YEL & LT GRN/WHT)

63-77

Fuel Injector

A8-A17 (RED & YEL)

1-2

Fuel Pump & Main Relay

A15-A16 (BLU & PNK)

124-153

ISC Solenoid Valve

A6-A7 (LT GRN/BLK & BLU/BLK)

11-14

Lock-Up Relay ⁽²⁾ (A/T Models)

A1-B11 (BLU/BLK & WHT/YEL)

80-95

⁽¹⁾	For ECM terminal identification, see appropriate wiring diagram in WIRING DIAGRAMS article in this section.

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