Toyota Tundra. Manual — part 516

Fig. 189: Identifying M1, N1, K10 And K12 Speaker Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

Standard resistance:

for LH

HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER)
TESTER CONNECTION SPECIFIED CONDITION LH

for RH

HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER)
TESTER CONNECTION SPECIFIED CONDITION RH

Tester Connection

Condition Specified Condition

K12-1(+)-N1-3

Always

Below 1 ohms

K12-2(-)-N1-1

K12-1(+)-Body ground

Always

10 kohms or higher

K12-2(-)-Body ground

Tester Connection

Condition Specified Condition

K10-1(+)-M1-3

Always

Below 1 ohms

K10-2(-)-M1-1

K10-1(+)-Body ground

Always

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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

9. INSPECT FRONT NO. 4 SPEAKER

a. Disconnect the K14 speaker connector.

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

Standard resistance

FRONT NO. 4 SPEAKER TESTER CONNECTION SPECIFIED CONDITION

Fig. 190: Identifying K14 Speaker Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE FRONT NO. 4 SPEAKER (See REMOVAL )

OK: Go to Next Step

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

SPEAKER)

a. Disconnect the K14 speaker connector.

K10-2(-)-Body ground

Tester Connection Condition Specified Condition

1 - 2

Always

1.5 to 2.1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 191: Identifying K14 Speaker Connector And K17 Amplifier Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Disconnect the K17 amplifier connector.

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

Standard resistance

HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 4
SPEAKER) TESTER CONNECTION SPECIFIED CONDITION

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE STEREO COMPONENT AMPLIFIER (See REMOVAL )

11. CHECK SPEAKER

a. Check the malfunctioning speakers.

Result

SPEAKER RESULT CHART

Tester Connection

Condition Specified Condition

K17-4(CTR+)-K14-1

Always

Below 1 ohms

K17-10(CTR-)-K14-2

K17-4(CTR+)-Body ground

Always

10 kohms or higher

K17-10(CTR-)-Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

B: Go to step 14

A: Go to Next Step

12. INSPECT REAR NO. 1 SPEAKER

a. Disconnect the O1 and O7 speaker connectors.

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

Standard resistance

REAR NO. 1 SPEAKER TESTER CONNECTION SPECIFIED CONDITION

Fig. 192: Identifying O1 And O7 Speaker Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

OK: Go to Next Step

13. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 1

SPEAKER)

a. Disconnect the K16 amplifier connector.

Result

Proceed to

Rear No. 1 speaker

A

Box speaker

B

Tester Connection Condition Specified Condition

1 - 2

Always

1.5 to 2.1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra