Operation CHARM: Car repair manuals for everyone.

Resistance Check








RESISTANCE CHECK
1) Disconnect ECM couplers from ECM with ignition switch OFF

CAUTION: Never touch terminals of ECM itself or connect voltmeter or ohmmeter.

2) Check resistance between each pair of terminals of disconnected couplers as listed in following table.

CAUTION:
- Be sure to connect ohmmeter probe from wire harness side of coupler.
- Be sure to turn OFF ignition switch for this check.
- Resistance in table represents that when parts temperature is 20°C (68°F).





NOTE: Terminals in ( ) parenthesis are applicable to vehicle equipped with EVAP-II and/or A/T only.