FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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NA7 - Check For IDM Short High In Harness



- Key Off.

- DVOM on 40 volt DC scale.

- Key On, Engine Off.

- Measure voltage between (+)J41 (IDM I) and (-)J7 (B-) at breakout box.

- Is DC voltage less than 0.5 volts?

YES -- GO to NA8. NA8 - Check For IDM Short to Ground In Harness

NO -- CHECK connectors, SERVICE or REPLACE harness. IDM is shorted high. REMOVE all test equipment. RECONNECT all components. Clear continuous memory. Clearing Diagnostic Trouble Codes

Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes