Toyota Tundra. Manual — part 573

A: Go to Next Step

2. CHECK SPEAKER

a. Check the malfunctioning speakers.

Result:

SPEAKER RESULT CHART

B: Go to step 5

C: Go to step 7

D: Go to step 9

A: Go to Next Step

3. INSPECT FRONT NO. 1 SPEAKER

a. Disconnect the M8 and N10 speaker connectors.

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

Standard resistance

FRONT NO. 1 SPEAKER TESTER CONNECTION SPECIFIED CONDITION

Fig. 408: Identifying M8 And N10 Speaker Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

Proceed to

Front No. 1 speaker

A

Front No. 2 speaker

B

Front No. 3 speaker

C

Front No. 4 speaker

D

Tester Connection Condition Specified Condition

1 - 2

Always

1.5 to 2.1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

NG: REPLACE FRONT NO. 1 SPEAKER (See REMOVAL )

OK: Go to Next Step

4. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1

SPEAKER)

a. Disconnect the M8 and N10 speaker connectors.

b. Disconnect the K17 amplifier connector.

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

Standard resistance:

for LH

HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1
SPEAKER) TESTER CONNECTION SPECIFIED CONDITION LH

for RH

HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1
SPEAKER) TESTER CONNECTION SPECIFIED CONDITION RH

Tester Connection

Condition Specified Condition

K17-2 (WFL+) - N10-1

Always

Below 1 ohms

K17-1 (WFL-) - N10-2

K17-2 (WFL+) - Body ground

Always

10 kohms or higher

K17-1 (WFL-) - Body ground

Tester Connection

Condition Specified Condition

K17-9 (WFR+) - M8-1

Always

Below 1 ohms

K17-3 (WFR-) - M8-2

K17-9 (WFR+) - Body ground

Always

10 kohms or higher

K17-3 (WFR-) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 409: Identifying M8 And N10 Speaker Connectors And K17 Amplifier Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE STEREO COMPONENT AMPLIFIER (See REMOVAL )

5. INSPECT FRONT NO. 2 SPEAKER

a. Disconnect the K10 and K12 speaker connectors.

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

Standard resistance:

for LH

FRONT NO. 2 SPEAKER TESTER CONNECTION SPECIFIED CONDITION LH

Tester Connection Condition Specified Condition

1 (+) - 3 (TWL+)

Always

Below 1 ohms

2 (-) - 4 (TWL-)

3 (TWL+) - 4 (TWL-) Always

1.3 to 2.3 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 410: Identifying K10 And K12 Speaker Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard resistance:

for RH

FRONT NO. 2 SPEAKER TESTER CONNECTION SPECIFIED CONDITION RH

NG: REPLACE FRONT NO. 2 SPEAKER (See REMOVAL )

OK: Go to Next Step

6. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2

SPEAKER)

a. Disconnect the K16 amplifier connector.

b. Disconnect the K10 and K12 speaker connectors.

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

Standard resistance:

for LH

HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2
SPEAKER) TESTER CONNECTION SPECIFIED CONDITION LH

Tester Connection Condition Specified Condition

1 (+) - 3 (TWR+)

Always

Below 1 ohms

2 (-) - 4 (TWR-)

3 (TWR+) - 4 (TWR-) Always

1.3 to 2.3 ohms

Tester Connection

Condition Specified Condition

K16-8 (FL+) - K12-3 (TWL+)

Always

Below 1 ohms

K16-7 (FL-) - K12-4 (TWL-)

K16-8 (FL+) - Body ground

Always

10 kohms or higher

K16-7 (FL-) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra