FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Checking the Signal From the Crankshaft Position Sensor




Checking The Signal From The Crankshaft Position Sensor







- Contact Trionic.
- Turn the ignition switch to START.
- The reading may vary, depending on the condition of the battery.
Reading: Idle Speed Deviation from Requested







The reading should be 100 RPM - 300 RPM

Checking The Wiring Harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter test lamp or diagnostic tool while doing this.

Is the function correct?

NO - Changing Components - IV

YES - Checking Fuel Pressure