Operation CHARM: Car repair manuals for everyone.

A7 - Check Coil PWR at Coil




^ Key off.

^ Connect diagnostic harness coil tee to vehicle harness; do not connect diagnostic harness to coil.

^ Key on.

^ DVOM on 20 volt DC scale.

^ Measure voltage between J2 (COIL PWR) and J7 (B-).

^ Is voltage greater than 10 volts DC?


YES -- Go to A8. A8 - Check For Coil- Signal


NO -- Service power open to coil in harness or connector. Remove all test equipment. Reconnect all components. Clear continuous memory. Rerun quick test.