Toyota Tundra. Manual — part 514

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS
TABLE

6. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - COMBINATION

METER)

a. Disconnect the K18 display connector.

b. Disconnect the J28 meter connector.

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

Standard resistance

HARNESS AND CONNECTOR (NAVIGATION RECEIVER - COMBINATION METER)
TESTER CONNECTION SPECIFIED CONDITION

Fig. 181: Identifying K18 Display Connector And J28 Meter Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS

Tester Connection

Condition Specified Condition

K18-12(ILL-)-J28-37 (ILL-) Always

Below 1 ohms

K18-12(ILL-)-Body ground

Always

10 kohms or higher

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TABLE

SPEAKER CIRCUIT

DESCRIPTION

The stereo component amplifier sends sound signals to the speaker.

WIRING DIAGRAM

Fig. 182: Speaker Circuit - Wiring Diagram (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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Fig. 183: Speaker Circuit - Wiring Diagram (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK SPEAKER

a. Check the malfunctioning speakers.

Result

SPEAKER RESULT CHART

B: Go to step 11

Result

Proceed to

Malfunction in front speaker area

A

Malfunction in rear speaker area

B

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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. 184: 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