AUDIO AND VISUAL SYSTEM > Illumination Circuit

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DESCRIPTION

The radio receiver panel illuminates when the light control switch is in the TAIL or HEAD position.

WIRING DIAGRAM


E106748E04


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)
E106746E02
  1. Disconnect the R1 receiver connector.

  1. Measure the voltage and resistance of the wire harness side connector.

    Standard resistance:
    Tester Connection
    Condition
    Specified Condition
    R1-7 (GND) - Body ground
    Always
    Below 1 Ω
    Standard voltage:
    Tester Connection
    Condition
    Specified Condition
    R1-10 (+ILL) - Body ground
    Lamp control switch OFF
    Below 1 V
    R1-10 (+ILL) - Body ground
    Light control switch TAIL or HEAD
    10 to 14 V



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

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