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:
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lemon-manuals.org.ua
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ECM Back-Up Power Source Circuit
CIRCUIT DESCRIPTIONBattery positive voltage is supplied to terminal BATT of the engine ECU even when the ignition switch is OFF for use by the diagnostic trouble code memory, air/fuel ratio adaptive control value memory, etc.
Wiring Diagram:
Step 1:
Step 2:
INSPECTION PROCEDURE
