Dimmer Signal Circuit (Radio Receiver Assy)

DIMMER SIGNAL CIRCUIT (RADIO RECEIVER ASSY)

CIRCUIT DESCRIPTION

The body ECU sends panel illumination to the radio receiver assy through this circuit.

The body ECU judges the brightness outside based on the degree detected by the automatic light control sensor and performs dim control.

HINT: If there is malfunction in the automatic light control sensor, DTC B1244 is output.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE