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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Malfunction Indicator Lamp: Testing and Inspection


1. Connect terminal 1A of ECU to a body ground. Refer to ECU pin connections in this section under ENGINE CONTROL UNIT (ECU).
2. Start engine and check that MIL light illuminates.
3. If lamp does not light, check meter fuse, bulb and wiring harness between meter and ECU.