Audio And Visual System Radio Receiver Power Source Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (DCC, RAD, ACC)

CHECK WIRE HARNESS (RADIO RECEIVER - BATTERY AND BODY GROUND)

AUDIO AND VISUAL SYSTEM - Radio Receiver Power Source Circuit


DESCRIPTION

This circuit provides power to the radio receiver.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Audio Visual.Audio And Visual System.Audio And Visual System  Radio Receiver Power Source Circuit


INSPECTION PROCEDURE

1.INSPECT FUSE (DCC, RAD, ACC)
  1. Remove the ACC fuse from the instrument panel junction block.

  1. Remove the DCC and RAD fuses from the engine room relay block.

  1. Measure the resistance of the fuses.

    Standard resistance:
    Below 1 Ω


NG
REPLACE FUSE
OK


2.CHECK WIRE HARNESS (RADIO RECEIVER - BATTERY AND BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Audio Visual.Audio And Visual System.Audio And Visual System  Radio Receiver Power Source Circuit
  1. Disconnect the R2 receiver connector.

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

    Standard voltage:
    Tester Connection
    Condition
    Specified Condition
    R2-4 (B) - Body ground
    Always
    10 to 14 V
    R2-3 (ACC) - Body ground
    Ignition switch ACC
    10 to 14 V
    Standard resistance:
    Tester Connection
    Specified Condition
    R2-7 (GND) - Body ground
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE RADIO RECEIVER ASSEMBLY