Technical Description (Comment)

The combination meter illumination will go on when the ignition switch is turned ON, and dim by operating the meter information switch < Standard meter > or rheostat illumination switch < High contrast meter >. When the combination meter illumination does not go on or dim normally, the following conditions may be present.

The combination meter is dimmed by operating the switch. 

• Defective illumination control circuit
• Malfunction of combination meter

After the A/C-ECU received signal from the combination meter, it has dimmed all the switch indicators. 

• Malfunction of CAN bus line
• Malfunction of heater controller assembly (A/C-ECU)