FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Sensor's Grounding



Checking The Sensor's Grounding

Take a voltage reading.









1 - Pressure sensor, EVAP
2 - Pressure Sensor, EVAP


The reading should be 4.9 V - 5.1 V

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 - Rectifying the Lead - II

YES - Checking the Control Module's Sensor Input