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

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Component Tests and General Diagnostics

EC-MAIN-01:







Wiring Diagram

Diagnostic Procedure Step 1 - 2:




Diagnostic Procedure Step 3 - 5:




Diagnostic Procedure Step 6 - 8:




Diagnostic Procedure Step 9 - 11:




Diagnostic Procedure Step 12 - 16:




Diagnostic Procedure

Component Inspection

ECM RELAY







1. Apply 12 V direct current between ECM relay terminals 1 and 2.
2. Check continuity between ECM relay terminals 3 and 5, 6 and 7.