Navigation System (For Radio And Display Type) Speaker Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK VEHICLE CONDITION

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

CHECK FRONT NO. 3 SPEAKER ASSEMBLY

CHECK FRONT NO. 4 SPEAKER ASSEMBLY

INSPECT REAR SPEAKER SET

CHECK REAR NO. 2 SPEAKER ASSEMBLY

CHECK REAR HEADER SPEAKER ASSEMBLY

INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

CHECK FRONT NO. 3 SPEAKER ASSEMBLY

INSPECT FRONT NO. 4 SPEAKER ASSEMBLY

CHECK REAR SPEAKER SET

CHECK REAR HEADER SPEAKER ASSEMBLY

CHECK NO. 1 SPEAKER WITH BOX ASSEMBLY

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY

NAVIGATION SYSTEM (for Radio and Display Type) - Speaker Circuit


DESCRIPTION

The radio and display receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Radio And Display Type)  Speaker Circuit


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Radio And Display Type)  Speaker Circuit


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Radio And Display Type)  Speaker Circuit


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Radio And Display Type)  Speaker Circuit


INSPECTION PROCEDURE

1.CHECK VEHICLE CONDITION
  1. Check the vehicle condition.

    Result
    Result
    Proceed to
    for 5 Door
    A
    for 3 Door
    B


B
Go to step 12
A


2.CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
  1. *1: for RH Side
  2. *2: for LH Side
  1. Disconnect the J4*1 and/or K3*2 front No. 1 speaker assembly connector.

  1. Disconnect the H10*1 and/or H13*2 front No. 2 speaker assembly connector.

  1. Disconnect the H21*1 and/or H22*2 front No. 3 speaker assembly connector.

  1. Disconnect the H14 front No. 4 speaker assembly connector.

  1. Disconnect the L1*1 and/or M1*2 rear speaker set connector.

  1. Disconnect the L3*1 and/or M3*2 rear No. 2 speaker assembly connector.

  1. Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.

  1. Disconnect the R24 No. 1 speaker with box assembly connector.

  1. Disconnect the H65 and H66 stereo component amplifier assembly connectors.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    H65-4 (FR+) - H21-1 (TWR+)*1
    Always
    Below 1 Ω
    H65-10 (FR-) - H21-2 (TWR-)*1
    Always
    Below 1 Ω
    H21-3 (+) - H10-2*1
    Always
    Below 1 Ω
    H21-4 (-) - H10-1*1
    Always
    Below 1 Ω
    H66-10 (WFR+) - J4-1*1
    Always
    Below 1 Ω
    H66-9 (WFR-) - J4-2*1
    Always
    Below 1 Ω
    H65-3 (FL+) - H22-1 (TWL+)*2
    Always
    Below 1 Ω
    H65-9 (FL-) - H22-2 (TWL-)*2
    Always
    Below 1 Ω
    H22-3 (+) - H13-2*2
    Always
    Below 1 Ω
    H22-4 (-) - H13-1*2
    Always
    Below 1 Ω
    H65-1 (WF1+) - R24-1 (WF1+)
    Always
    Below 1 Ω
    H65-5 (WF1-) - R24-3 (WF1-)
    Always
    Below 1 Ω
    H65-2 (WF2+) - R24-2 (WF2+)
    Always
    Below 1 Ω
    H65-6 (WF2-) - R24-4 (WF2-)
    Always
    Below 1 Ω
    H66-2 (MR+) - Q15-2*1
    Always
    Below 1 Ω
    H66-7 (MR-) - Q15-1*1
    Always
    Below 1 Ω
    H66-3 (WFL+) - K3-1*2
    Always
    Below 1 Ω
    H66-8 (WFL-) - K3-2*2
    Always
    Below 1 Ω
    H66-5 (RR+) - L3-1 (+TW)*1
    Always
    Below 1 Ω
    H66-12 (RR-) - L3-2 (-TW)*1
    Always
    Below 1 Ω
    L3-3 (+) - L1-1*1
    Always
    Below 1 Ω
    L3-4 (-) - L1-2*1
    Always
    Below 1 Ω
    H66-4 (RL+) - M3-1 (+TW)*2
    Always
    Below 1 Ω
    H66-11 (RL-) - M3-2 (-TW)*2
    Always
    Below 1 Ω
    M3-3 (+) - M1-1*2
    Always
    Below 1 Ω
    M3-4 (-) - M1-2*2
    Always
    Below 1 Ω
    H66-1 (ML+) - R13-2*2
    Always
    Below 1 Ω
    H66-6 (ML-) - R13-1*2
    Always
    Below 1 Ω
    H65-8 (CTR+) - H14-2
    Always
    Below 1 Ω
    H65-7 (CTR-) - H14-1
    Always
    Below 1 Ω
    H65-4 (FR+) - Body ground*1
    Always
    10 kΩ or higher
    H65-10 (FR-) - Body ground*1
    Always
    10 kΩ or higher
    H21-3 (+) - Body ground*1
    Always
    10 kΩ or higher
    H21-4 (-) - Body ground*1
    Always
    10 kΩ or higher
    H66-10 (WFR+) - Body ground*1
    Always
    10 kΩ or higher
    H66-9 (WFR-) - Body ground*1
    Always
    10 kΩ or higher
    H65-3 (FL+) - Body ground*2
    Always
    10 kΩ or higher
    H65-9 (FL-) - Body ground*2
    Always
    10 kΩ or higher
    H22-3 (+) - Body ground*2
    Always
    10 kΩ or higher
    H22-4 (-) - Body ground*2
    Always
    10 kΩ or higher
    H65-1 (WF1+) - Body ground
    Always
    10 kΩ or higher
    H65-5 (WF1-) - Body ground
    Always
    10 kΩ or higher
    H65-2 (WF2+) - Body ground
    Always
    10 kΩ or higher
    H65-6 (WF2-) - Body ground
    Always
    10 kΩ or higher
    H66-2 (MR+) - Body ground*1
    Always
    10 kΩ or higher
    H66-7 (MR-) - Body ground*1
    Always
    10 kΩ or higher
    H66-3 (WFL+) - Body ground*2
    Always
    10 kΩ or higher
    H66-8 (WFL-) - Body ground*2
    Always
    10 kΩ or higher
    H66-5 (RR+) - Body ground*1
    Always
    10 kΩ or higher
    H66-12 (RR-) - Body ground*1
    Always
    10 kΩ or higher
    L3-3 (+) - Body ground*1
    Always
    10 kΩ or higher
    L3-4 (-) - Body ground*1
    Always
    10 kΩ or higher
    H66-4 (RL+) - Body ground*2
    Always
    10 kΩ or higher
    H66-11 (RL-) - Body ground*2
    Always
    10 kΩ or higher
    M3-3 (+) - Body ground*2
    Always
    10 kΩ or higher
    M3-4 (-) - Body ground*2
    Always
    10 kΩ or higher
    H66-1 (ML+) - Body ground*2
    Always
    10 kΩ or higher
    H66-6 (ML-) - Body ground*2
    Always
    10 kΩ or higher
    H65-8 (CTR+) - Body ground
    Always
    10 kΩ or higher
    H65-7 (CTR-) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
  1. Remove the front No. 1 speaker assembly (LandCruiser RM000002MK7039X.html).

  1. Inspect the front No. 1 speaker assembly (LandCruiser RM000002MK5028X.html).



NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (LandCruiser RM000002MK7039X.html)
OK


4.INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
  1. Remove the front No. 2 speaker assembly (LandCruiser RM000000VEO04BX.html).

  1. Inspect the front No. 2 speaker assembly (LandCruiser RM000000VEM033X.html).



NG
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY (LandCruiser RM000000VEO04BX.html)
OK


5.CHECK FRONT NO. 3 SPEAKER ASSEMBLY
  1. Replace the front No. 3 speaker assembly with a known good one (LandCruiser RM000003AW801GX.html).

  1. Check that the malfunction disappears.

    NOTICE:
    1. Connect all the connectors that were disconnected to the front No. 3 speaker assemblies.
    2. Perform the above inspection on both LH and RH sides.
    OK:
    Malfunction disappears.


NG
Go to step 6
OK

END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

6.CHECK FRONT NO. 4 SPEAKER ASSEMBLY
  1. Replace the front No. 4 speaker assembly with a known good one (LandCruiser RM000000VEO04BX.html).

  1. Check that the malfunction disappears.

    OK:
    Malfunction disappears.


NG
Go to step 7
OK

END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE)

7.INSPECT REAR SPEAKER SET
  1. Remove the rear speaker set with a known good one (LandCruiser RM000002MKB042X.html).

  1. Inspect the rear speaker set with a known good one (LandCruiser RM000002MK902UX.html).



NG
REPLACE REAR SPEAKER SET (LandCruiser RM000002MKB042X.html)
OK


8.CHECK REAR NO. 2 SPEAKER ASSEMBLY
  1. Replace the rear No. 2 speaker assembly with a known good one (LandCruiser RM000002MKB042X.html).

  1. Check that the malfunction disappears.

    NOTICE:
    1. Connect all the connectors that were disconnected to the rear No. 2 speaker assemblies.
    2. Perform the above inspection on both LH and RH sides.
    OK:
    Malfunction disappears.


NG
Go to step 9
OK

END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

9.CHECK REAR HEADER SPEAKER ASSEMBLY
  1. Replace the rear header speaker assembly with a known good one (LandCruiser RM000003FS302RX.html).

  1. Check that the malfunction disappears.

    NOTICE:
    1. Connect all the connectors that were disconnected to the rear header speaker assemblies.
    2. Perform the above inspection on both LH and RH sides.
    OK:
    Malfunction disappears.


NG
Go to step 10
OK

END (REAR HEADER SPEAKER ASSEMBLY IS DEFECTIVE)

10.INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY
  1. Remove the No. 1 speaker with box assembly (LandCruiser RM000003FS302RX.html).

  1. Inspect the No. 1 speaker with box assembly (LandCruiser RM000002ZX4025X.html).



NG
REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY (LandCruiser RM000003FS302RX.html)
OK


11.CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY
  1. Replace the stereo component amplifier assembly with a known good one (LandCruiser RM000003AI9027X.html).

  1. Check that the malfunction disappears.

    OK:
    Malfunction disappears.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK

END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)

12.CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
  1. *1: for RH Side
  2. *2: for LH Side
  1. Disconnect the J4*1 and/or K3*2 front No. 1 speaker assembly connector.

  1. Disconnect the H10*1 and/or H13*2 front No. 2 speaker assembly connector.

  1. Disconnect the H21*1 and/or H22*2 front No. 3 speaker assembly connector.

  1. Disconnect the H14 front No. 4 speaker assembly connector.

  1. Disconnect the Q32*1 and/or R37*2 rear speaker set connector.

  1. Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.

  1. Disconnect the Q30 No. 1 speaker with box assembly connector.

  1. Disconnect the H67 stereo component amplifier assembly connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    H67-13 (FR+) - H21-1 (TWR+)*1
    Always
    Below 1 Ω
    H67-28 (FR-) - H21-2 (TWR-)*1
    Always
    Below 1 Ω
    H21-3 (+) - H10-2*1
    Always
    Below 1 Ω
    H21-4 (-) - H10-1*1
    Always
    Below 1 Ω
    H67-5 (WFR+) - J4-1*1
    Always
    Below 1 Ω
    H67-20 (WFR-) - J4-2*1
    Always
    Below 1 Ω
    H67-12 (FL+) - H22-1 (TWL+)*2
    Always
    Below 1 Ω
    H67-27 (FL-) - H22-2 (TWL-)*2
    Always
    Below 1 Ω
    H22-3 (+) - H13-2*2
    Always
    Below 1 Ω
    H22-4 (-) - H13-1*2
    Always
    Below 1 Ω
    H67-6 (WF1+) - Q30-2 (WF1+)
    Always
    Below 1 Ω
    H67-21 (WF1-) - Q30-4 (WF1-)
    Always
    Below 1 Ω
    H67-9 (MR+) - Q15-2*1
    Always
    Below 1 Ω
    H67-24 (MR-) - Q15-1*1
    Always
    Below 1 Ω
    H67-4 (WFL+) - K3-1*2
    Always
    Below 1 Ω
    H67-19 (WFL-) - K3-2*2
    Always
    Below 1 Ω
    H67-15 (RR+) - Q32-1*1
    Always
    Below 1 Ω
    H67-30 (RR-) - Q32-2*1
    Always
    Below 1 Ω
    H67-14 (RL+) - R37-1*2
    Always
    Below 1 Ω
    H67-29 (RL-) - R37-2*2
    Always
    Below 1 Ω
    H67-8 (ML+) - R13-2*2
    Always
    Below 1 Ω
    H67-23 (ML-) - R13-1*2
    Always
    Below 1 Ω
    H67-7 (CTR+) - H14-2
    Always
    Below 1 Ω
    H67-22 (CTR-) - H14-1
    Always
    Below 1 Ω
    H67-13 (FR+) - Body ground*1
    Always
    10 kΩ or higher
    H67-28 (FR-) - Body ground*1
    Always
    10 kΩ or higher
    H21-3 (+) - Body ground*1
    Always
    10 kΩ or higher
    H21-4 (-) - Body ground*1
    Always
    10 kΩ or higher
    H67-5 (WFR+) - Body ground*1
    Always
    10 kΩ or higher
    H67-20 (WFR-) - Body ground*1
    Always
    10 kΩ or higher
    H67-12 (FL+) - Body ground*2
    Always
    10 kΩ or higher
    H67-27 (FL-) - Body ground*2
    Always
    10 kΩ or higher
    H22-3 (+) - Body ground*2
    Always
    10 kΩ or higher
    H22-4 (-) - Body ground*2
    Always
    10 kΩ or higher
    H67-6 (WF1+) - Body ground
    Always
    10 kΩ or higher
    H67-21 (WF1-) - Body ground
    Always
    10 kΩ or higher
    H67-9 (MR+) - Body ground*1
    Always
    10 kΩ or higher
    H67-24 (MR-) - Body ground*1
    Always
    10 kΩ or higher
    H67-4 (WFL+) - Body ground*2
    Always
    10 kΩ or higher
    H67-19 (WFL-) - Body ground*2
    Always
    10 kΩ or higher
    H67-15 (RR+) - Body ground*1
    Always
    10 kΩ or higher
    H67-30 (RR-) - Body ground*1
    Always
    10 kΩ or higher
    H67-14 (RL+) - Body ground*2
    Always
    10 kΩ or higher
    H67-29 (RL-) - Body ground*2
    Always
    10 kΩ or higher
    H67-8 (ML+) - Body ground*2
    Always
    10 kΩ or higher
    H67-23 (ML-) - Body ground*2
    Always
    10 kΩ or higher
    H67-7 (CTR+) - Body ground
    Always
    10 kΩ or higher
    H67-22 (CTR-) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


13.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
  1. Remove the front No. 1 speaker assembly (LandCruiser RM000002MK7039X.html).

  1. Inspect the front No. 1 speaker assembly (LandCruiser RM000002MK5028X.html).



NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (LandCruiser RM000002MK7039X.html)
OK


14.INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
  1. Remove the front No. 2 speaker assembly (LandCruiser RM000000VEO04BX.html).

  1. Inspect the front No. 2 speaker assembly (LandCruiser RM000000VEM033X.html).



NG
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY (LandCruiser RM000000VEO04BX.html)
OK


15.CHECK FRONT NO. 3 SPEAKER ASSEMBLY
  1. Replace the front No. 3 speaker assembly with a known good one (LandCruiser RM000003AW801GX.html).

  1. Check that the malfunction disappears.

    NOTICE:
    1. Connect all the connectors that were disconnected to the front No. 3 speaker assemblies.
    2. Perform the above inspection on both LH and RH sides.
    OK:
    Malfunction disappears.


NG
Go to step 16
OK

END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

16.INSPECT FRONT NO. 4 SPEAKER ASSEMBLY
  1. Remove the front No. 4 speaker assembly (LandCruiser RM000000VEO04BX.html).

  1. Inspect the front No. 4 speaker assembly (LandCruiser RM000000VEM033X.html).



NG
REPLACE FRONT NO. 4 SPEAKER ASSEMBLY (LandCruiser RM000000VEO04BX.html)
OK


17.CHECK REAR SPEAKER SET
  1. Remove the rear speaker set (LandCruiser RM000002MKB043X.html).

  1. Inspect the rear speaker set (LandCruiser RM000002MK902VX.html).



NG
REPLACE REAR SPEAKER SET (LandCruiser RM000002MKB043X.html)
OK


18.CHECK REAR HEADER SPEAKER ASSEMBLY
  1. Remove the rear header speaker assembly (LandCruiser RM000003FS302SX.html).

  1. Inspect the rear header speaker assembly (LandCruiser RM000002ZX4026X.html).



NG
REPLACE REAR HEADER SPEAKER ASSEMBLY (LandCruiser RM000003FS302SX.html)
OK


19.CHECK NO. 1 SPEAKER WITH BOX ASSEMBLY
  1. Remove the No. 1 speaker with box assembly (LandCruiser RM000003FS302SX.html).

  1. Inspect the No. 1 speaker with box assembly (LandCruiser RM000002ZX4026X.html).



NG
REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY (LandCruiser RM000003FS302SX.html)
OK


20.CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY
  1. Replace the stereo component amplifier assembly with a known good one (LandCruiser RM000003AI9027X.html).

  1. Check that the malfunction disappears.

    OK:
    Malfunction disappears.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK

END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)