Entire Combination Meter Does Not Operate

Entire Combination Meter does not Operate

DESCRIPTION
This circuit is the power source circuit for the combination meter. This circuit provides 2 power source types: one is a constant power source mainly used as a backup power source, and other is a power source mainly used for signal transmission. The constant power source is mainly used as a backup power source of the meter CPU. However, it is also used for communication. If a voltage of 12 V is not applied to terminal IG+ when the ignition switch ON, the indicator will not operate.

Wiring Diagram:

Step 1:

Step 1 (Continued)-2:

INSPECTION PROCEDURE