Audio And Visual System (For Radio Receiver Type) Speaker Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK SPEAKER

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER)

INSPECT REAR SPEAKER ASSEMBLY

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER)

AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) - Speaker Circuit


DESCRIPTION

The radio receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Audio Visual.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (For Radio Receiver Type) Speaker Circuit


INSPECTION PROCEDURE

1.CHECK SPEAKER

  1. Check the malfunctioning speakers.

    Result
    Result
    		Proceed to
    Malfunction in front speaker area
    		A
    Malfunction in rear speaker area
    		B


B
Go to step 4
A


2.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50

  1. Disconnect the S16*1 and/or S15*2 speaker connector.

    1. *1: for RH
    2. *2: for LH

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		Always
    		4 Ω


NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (Toyota Fortuner RM0000014T702CX.html)
OK


3.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER)

  1. Disconnect the R2 radio receiver assembly connector.

  1. Disconnect the S16*1 and/or S15*2 speaker connector.

    1. *1: for RH
    2. *2: for LH

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for RH
    Tester Connection
    		Condition
    		Specified Condition
    R2-1 (FR+) - S16-1
    		Always
    		Below 1 Ω
    R2-5 (FR-) - S16-2
    R2-1 (FR+) - Body ground
    		Always
    		10 kΩ or higher
    R2-5 (FR-) - Body ground
    for LH
    Tester Connection
    		Condition
    		Specified Condition
    R2-2 (FL+) - S15-1
    		Always
    		Below 1 Ω
    R2-6 (FL-) - S15-2
    R2-2 (FL+) - Body ground
    		Always
    		10 kΩ or higher
    R2-6 (FL-) - Body ground


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE RADIO RECEIVER ASSEMBLY (Toyota Fortuner RM000003OQ9003X.html)

4.INSPECT REAR SPEAKER ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50

  1. Disconnect the S18*1 and/or S17*2 speaker connector.

    1. *1: for RH
    2. *2: for LH

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		Always
    		4 Ω


NG
REPLACE REAR SPEAKER ASSEMBLY (Toyota Fortuner RM0000014TB01MX.html)
OK


5.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER)

  1. Disconnect the R3 radio receiver assembly connector.

  1. Disconnect the S18*1 and/or S17*2 speaker connector.

    1. *1: for RH
    2. *2: for LH

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for RH
    Tester Connection
    		Condition
    		Specified Condition
    R3-1 (RR+) - S18-1
    		Always
    		Below 1 Ω
    R3-3 (RR-) - S18-2
    R3-1 (RR+) - Body ground
    		Always
    		10 kΩ or higher
    R3-3 (RR-) - Body ground
    for LH
    Tester Connection
    		Condition
    		Specified Condition
    R3-2 (RL+) - S17-1
    		Always
    		Below 1 Ω
    R3-6 (RL-) - S17-2
    R3-2 (RL+) - Body ground
    		Always
    		10 kΩ or higher
    R3-6 (RL-) - Body ground


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE RADIO RECEIVER ASSEMBLY (Toyota Fortuner RM000003OQ9003X.html)