Key Warning Light Circuit

KEY WARNING LIGHT CIRCUIT

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
Go to MULTIPLEX COMMUNICATION SYSTEM