FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

ACM Loss of Ignition Run/Start (Stored)

Test 1:




SYMPTOM
ACM, LOSS OF IGNITION RUN-START - STORED

TEST NOTE
This symptom is diagnosed using the test ACM, CLUSTER MESSAGE MISMATCH - STORED.

WHEN MONITORED
With the ignition in the Run-Start position the ACM monitors the Fused Ignition Switch Output Run-Start circuit for proper system voltage.

SET CONDITION
If the voltage on the Fused Ignition Switch Output Run-Start circuit drops below approximately 4.5 volts, the code will set.

POSSIBLE CAUSES
- Active or stored code present
- Stored code or intermittent condition