Ohms Measurements

CAUTION: WHEN MEASURING OHMS DISCONNECT THE ECU FROM THE HARNESS PLUG AND NEVER TURN THE IGNITION KEY ON. IT IS P0SSIBLE THAT FAILURE TO FOLLOW THESE STEPS WILL RESULT IN DAMAGE TO THE ECU.




Grounds




Coolant Temperature Sensor




Air Temperature Sensor




Throttle Switch




Air Flow Sensor
1 Flap on air flow sensor closed or air flow sensor plate at rest position. Resistance increases as flap or plate opens.
2 Flap on air flow sensor opened to maximum or air flow plate deflected to maximum.




Injector Group(s)




Auxiliary Air Valve




Single Injector