Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Engine Control Module: Testing and Inspection

ENGINE CONTROL MODULE FUNCTIONAL CHECK
1. Turn ignition switch to "ON."
2. Insert a spare fuse into the DIAG SW in the junction block.
^ Diagnostic Trouble Code (DTC) 12 should be flashing. If DTC 12 is not flashing, go to System Diagnosis / Flow of Diagnosis and perform the On-Board Diagnostic System Check. Testing and Inspection