Toyota Tundra Service Manual: Speaker Circuit

DESCRIPTION

The navigation receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM

PROCEDURE

1.

CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result

Result

Proceed to

for 7 or 9 Speakers

A

for 12 Speakers

B

B

GO TO STEP 9

A

2.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

  • *1: for RH Side
  • *2: for LH Side
  • *3: for 9 Speakers

(a) Disconnect the J133 and J134 navigation receiver assembly connector.

(b) Disconnect the M8*1 and/or N10*2 front No. 1 speaker assembly connector.

(c) Disconnect the J147*1 and/or J149*2 front No. 2 speaker assembly connector.

(d) Disconnect the J150 front No. 4 speaker assembly connector.

(e) Disconnect the O1*1 and/or O7*2 rear No. 1 speaker assembly connector.

(f) Disconnect the O2*1 and/or O8*2 rear No. 2 speaker assembly connector.*3

(g) Disconnect the J144 and J145 stereo component amplifier assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M8-1 - J144-1 (R+)

Always

Below 1 Ω

M8-2 - J144-5 (R-)

Always

Below 1 Ω

N10-1 - J144-2 (L+)

Always

Below 1 Ω

N10-2 - J144-6 (L-)

Always

Below 1 Ω

O1-1 - J145-4 (WFR+)

Always

Below 1 Ω

O1-2 - J145-11 (WFR-)

Always

Below 1 Ω

O7-1 - J145-5 (WFL+)

Always

Below 1 Ω

O7-2 - J145-12 (WFL-)

Always

Below 1 Ω

O2-3 - J145-9 (RR+)*3

Always

Below 1 Ω

O2-2 - J145-10 (RR-)*3

Always

Below 1 Ω

J145-9 (RR+) - J134-1 (RR+)

Always

Below 1 Ω

J145-10 (RR-) - J134-3 (RR-)

Always

Below 1 Ω

O8-3 - J145-3 (RL+)*3

Always

Below 1 Ω

O8-2 - J145-8 (RL-)*3

Always

Below 1 Ω

J145-3 (RL+) - J134-2 (RL+)

Always

Below 1 Ω

J145-8 (RL-) - J134-6 (RL-)

Always

Below 1 Ω

J145-2 (FR+) - J133-1 (FR+)

Always

Below 1 Ω

J145-7 (FR-) - J133-5 (FR-)

Always

Below 1 Ω

J145-1 (FL+) - J133-2 (FL+)

Always

Below 1 Ω

J145-6 (FL-) - J133-6 (FL-)

Always

Below 1 Ω

J145-2 (FR+) - J147-3 (TWR+)

Always

Below 1 Ω

J145-7 (FR-) - J147-2 (TWR-)

Always

Below 1 Ω

J145-1 (FL+) - J149-3 (TWL+)

Always

Below 1 Ω

J145-6 (FL-) - J149-2 (TWL-)

Always

Below 1 Ω

J147-1 (+) - J150-1 (+)

Always

Below 1 Ω

J147-4 (-) - J150-4 (RI1-)

Always

Below 1 Ω

J150-2 (-) - J149-4 (-)

Always

Below 1 Ω

J150-3 (RI1+) - J149-1 (+)

Always

Below 1 Ω

J144-1 (R+) - Body ground

Always

10 kΩ or higher

J144-5 (R-) - Body ground

Always

10 kΩ or higher

J144-2 (L+) - Body ground

Always

10 kΩ or higher

J144-6 (L-) - Body ground

Always

10 kΩ or higher

J145-4 (WFR+) - Body ground

Always

10 kΩ or higher

J145-11 (WFR-) - Body ground

Always

10 kΩ or higher

J145-5 (WFL+) - Body ground

Always

10 kΩ or higher

J145-12 (WFL-) - Body ground

Always

10 kΩ or higher

J145-9 (RR+) - Body ground

Always

10 kΩ or higher

J145-10 (RR-) - Body ground

Always

10 kΩ or higher

J145-3 (RL+) - Body ground

Always

10 kΩ or higher

J145-8 (RL-) - Body ground

Always

10 kΩ or higher

J145-2 (FR+) - Body ground

Always

10 kΩ or higher

J145-7 (FR-) - Body ground

Always

10 kΩ or higher

J145-1 (FL+) - Body ground

Always

10 kΩ or higher

J145-6 (FL-) - Body ground

Always

10 kΩ or higher

J147-1 (+) - Body ground

Always

10 kΩ or higher

J147-4 (-) - Body ground

Always

10 kΩ or higher

J147-3 (TWR+) - Body ground

Always

10 kΩ or higher

J147-2 (TWR-) - Body ground

Always

10 kΩ or higher

J150-2 (-) - Body ground

Always

10 kΩ or higher

J150-3 (RI1+) - Body ground

Always

10 kΩ or higher

J149-3 (TWL+) - Body ground

Always

10 kΩ or higher

J149-2 (TWL-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly.

  • for Double Cab: See page
  • for CrewMax: See page

(b) Inspect the front No. 1 speaker assembly.

  • for Double Cab: See page
  • for CrewMax: See page
Result

Result

Proceed to

OK

A

NG (for Double Cab)

B

NG (for CrewMax)

C

B

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

C

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

A

4.

CHECK FRONT NO. 2 SPEAKER ASSEMBLY

(a) Replace the front No. 2 speaker assembly with a known good one.

  • for Double Cab: See page
  • for CrewMax: See page

(b) Check that the malfunction disappears.

NOTICE:

  • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
  • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

5.

CHECK FRONT NO. 4 SPEAKER ASSEMBLY

(a) Replace the front No. 4 speaker assembly with a known good one.

  • for Double Cab: See page
  • for CrewMax: See page

(b) Check that the malfunction disappears.

OK:

Malfunction disappears.

OK

END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

6.

INSPECT REAR NO. 1 SPEAKER ASSEMBLY

(a) Remove the rear No. 1 speaker assembly with a known good one.

  • for Double Cab: See page
  • for CrewMax: See page

(b) Inspect the rear No. 1 speaker assembly with a known good one.

  • for Double Cab: See page
  • for CrewMax: See page
Result

Result

Proceed to

OK (for CrewMax)

A

OK (for Double Cab)

B

NG (for Double Cab)

C

NG (for CrewMax)

D

B

GO TO STEP 8

C

REPLACE REAR NO. 1 SPEAKER ASSEMBLY

D

REPLACE REAR NO. 1 SPEAKER ASSEMBLY

A

7.

CHECK REAR NO. 2 SPEAKER ASSEMBLY

(a) Replace the rear No. 2 speaker assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

NOTICE:

  • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
  • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

8.

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY

(a) Replace the stereo component amplifier assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

OK:

Malfunction disappears.

Result

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

A

END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

9.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

  • *1: for RH Side
  • *2: for LH Side

(a) Disconnect the M8*1 and/or N10*2 front No. 1 speaker assembly connector.

(b) Disconnect the J146*1 and/or J148*2 front No. 2 speaker assembly connector.

(c) Disconnect the M1*1 and/or N1*2 front No. 3 speaker assembly connector.

(d) Disconnect the J150 front No. 4 speaker assembly connector.

(e) Disconnect the O1*1 and/or O7*2 rear No. 1 speaker assembly connector.

(f) Disconnect the O2*1 and/or O8*2 rear No. 2 speaker assembly connector.

(g) Disconnect the P14 No. 1 box speaker assembly connector.

(h) Disconnect the J142 and J143 stereo component amplifier assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J142-2 (FR+) - J146-3 (TWR+)

Always

Below 1 Ω

J142-6 (FR-) - J146-4 (TWR-)

Always

Below 1 Ω

J146-1 (+) - M1-3

Always

Below 1 Ω

J146-2 (-) - M1-2

Always

Below 1 Ω

J143-9 (WFR+) - M8-1

Always

Below 1 Ω

J143-3 (WFR-) - M8-2

Always

Below 1 Ω

J142-10 (RR+) - O2-3 (+TW)

Always

Below 1 Ω

J142-4 (RR-) - O2-2 (-TW)

Always

Below 1 Ω

O2-4 (+) - O1-1

Always

Below 1 Ω

O2-1 (-) - O1-2

Always

Below 1 Ω

J143-5 (WF1+) - P14-1

Always

Below 1 Ω

J143-12 (WF1-) - P14-2

Always

Below 1 Ω

J142-3 (RL+) - O8-3 (+TW)

Always

Below 1 Ω

J142-9 (RL-) - O8-2 (-TW)

Always

Below 1 Ω

O8-4 (+) - O7-1

Always

Below 1 Ω

O8-1 (-) - O7-2

Always

Below 1 Ω

J143-2 (WFL+) - N10-1

Always

Below 1 Ω

J143-1 (WFL-) - N10-2

Always

Below 1 Ω

J142-8 (FL+) - J148-3 (TWL+)

Always

Below 1 Ω

J142-7 (FL-) - J148-4 (TWL-)

Always

Below 1 Ω

J148-1 (+) - N1-3

Always

Below 1 Ω

J148-2 (-) - N1-2

Always

Below 1 Ω

J143-4 (CTR+) - J150-1

Always

Below 1 Ω

J143-10 (CTR-) - J150-2

Always

Below 1 Ω

J142-2 (FR+) - Body ground

Always

10 kΩ or higher

J142-6 (FR-) - Body ground

Always

10 kΩ or higher

J146-1 (+) - Body ground

Always

10 kΩ or higher

J146-2 (-) - Body ground

Always

10 kΩ or higher

J143-9 (WFR+) - Body ground

Always

10 kΩ or higher

J143-3 (WFR-) - Body ground

Always

10 kΩ or higher

J142-10 (RR+) - Body ground

Always

10 kΩ or higher

J142-4 (RR-) - Body ground

Always

10 kΩ or higher

O2-4 (+) - Body ground

Always

10 kΩ or higher

O2-1 (-) - Body ground

Always

10 kΩ or higher

J143-5 (WF1+) - Body ground

Always

10 kΩ or higher

J143-12 (WF1-) - Body ground

Always

10 kΩ or higher

J142-3 (RL+) - Body ground

Always

10 kΩ or higher

J142-9 (RL-) - Body ground

Always

10 kΩ or higher

O8-4 (+) - Body ground

Always

10 kΩ or higher

O8-1 (-) - Body ground

Always

10 kΩ or higher

J143-2 (WFL+) - Body ground

Always

10 kΩ or higher

J143-1 (WFL-) - Body ground

Always

10 kΩ or higher

J142-8 (FL+) - Body ground

Always

10 kΩ or higher

J142-7 (FL-) - Body ground

Always

10 kΩ or higher

J148-1 (+) - Body ground

Always

10 kΩ or higher

J148-2 (-) - Body ground

Always

10 kΩ or higher

J143-4 (CTR+) - Body ground

Always

10 kΩ or higher

J143-10 (CTR-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

10.

INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) Remove the front No. 1 speaker assembly (See page ).

(b) Inspect the front No. 1 speaker assembly (See page ).

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK

11.

CHECK FRONT NO. 2 SPEAKER ASSEMBLY

(a) Replace the front No. 2 speaker assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

NOTICE:

  • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
  • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

12.

CHECK FRONT NO. 4 SPEAKER ASSEMBLY

(a) Replace the front No. 4 speaker assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

OK:

Malfunction disappears.

OK

END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

13.

CHECK FRONT NO. 3 SPEAKER ASSEMBLY

(a) Replace the front No. 3 speaker assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

NOTICE:

  • Connect all the connectors to the front No. 3 speaker assemblies that were disconnected.
  • Connect all the connectors to the front No. 3 speaker assemblies that were disconnected.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

14.

INSPECT NO. 1 BOX SPEAKER ASSEMBLY

(a) Remove the No. 1 box speaker assembly (See page ).

(b) Inspect the No. 1 box speaker assembly (See page ).

NG

REPLACE NO. 1 BOX SPEAKER ASSEMBLY

OK

15.

INSPECT REAR NO. 1 SPEAKER ASSEMBLY

(a) Remove the rear No. 1 speaker assembly (See page ).

(b) Inspect the rear No. 1 speaker assembly (See page ).

NG

REPLACE REAR NO. 1 SPEAKER ASSEMBLY

OK

16.

CHECK REAR NO. 2 SPEAKER ASSEMBLY

(a) Replace the rear No. 2 speaker assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

NOTICE:

  • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
  • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
  • Perform the above inspection on both LH and RH sides.

OK:

Malfunction disappears.

OK

END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

NG

17.

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY

(a) Replace the stereo component amplifier assembly with a known good one (See page ).

(b) Check that the malfunction disappears.

OK:

Malfunction disappears.

Result

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

A

END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

    Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

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