FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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JC16 - Check For C1 Short Low - Coil Disconnected - Key Off



- Key Off.

- DVOM on 20K ohm scale.

- Disconnect coil from coil tee, leave EI diagnostic harness connected to vehicle harness coil connector.

- Measure resistance between J7 (B-) and J6 (C1C) at breakout box.

- Is resistance reading greater than 2K ohms?

YES -- REPLACE coil pack. C1 open in coil. REMOVE all test equipment. RECONNECT all components. Clear continuous memory. Clearing Diagnostic Trouble Codes

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

NO -- Go to JC17. JC17 - Check For C1 Short Low - ICM and Coil Disconnected