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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Warning Light Circuit

Warning Light Circuit

DESCRIPTION
- The key warning indicator light, which is built into the combination meter, comes on or blinks as a warning to the driver.
- The certification ECU sends key warning indicator light on / blink request signals to the combination meter via BEAN.

HINT: If the key warning indicator light does not come on or blink properly, there may be a problem in the power source of the multiplex communication system and combination meter or in the certification ECU.

INSPECTION PROCEDURE

Step 1: