JC53 - Check For C2 High at ICM

- Key On, Engine Off.

- Measure voltage between (+)J27 (RC2I) and (-)J7 (B-) at breakout box.

- Is DC voltage reading greater than 10.0 volts?

YES -- GO to JC54. JC54 - Check C1 Low at Coil Connector - Coil Disconnected

NO -- CHECK connectors, SERVICE or REPLACE harness. C2 is open. REMOVE all test equipment. RECONNECT all components. Clear continuous memory. Clearing Diagnostic Trouble Codes

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