Toyota Tundra. Manual — part 152

Fig. 41: Short In Speaker - Wiring Diagram (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 42: Short In Speaker - Wiring Diagram (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

HINT:

After the inspection is completed, clear the DTCs.

1. CHECK DTC

a. Disconnect the K16 and K17 amplifier connectors.

b. Clear the DTC.

c. Check if DTC 74-40 is output.

OK: DTC 74-40 is not output.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

NG: REPLACE STEREO COMPONENT AMPLIFIER (see REMOVAL )

OK: Go to Next Step

2. CHECK DTC

a. Reconnect the K16 amplifier connector.

b. Check if DTC 74-40 is output.

OK: DTC 74-40 is not output.

NG: Go to step 7

OK: Go to Next Step

3. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER)

a. Disconnect the K17 amplifier connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Fig. 43: Identifying K17 Amplifier Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Tester Connection

Condition Specified Condition

K17-2 (WFL+) - Body ground

Always

10 kohms or higher

K17-1 (WFL-) - Body ground

K17-9 (WFR+) - Body ground

K17-3 (WFR-) - Body ground
K17-4 (CTR+) - Body ground

K17-10 (CTR-) - Body ground

K17-5 (WF1+) - Body ground

K17-12 (WF1-) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

OK: Go to Next Step

4. INSPECT FRONT NO. 1 SPEAKER LH

a. Disconnect the N10 speaker connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

NG: REPLACE FRONT NO. 1 SPEAKER LH (see REMOVAL )

Fig. 44: Identifying N10 Speaker Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to Next Step

5. INSPECT FRONT NO. 1 SPEAKER RH

a. Disconnect the M8 speaker connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

NG: REPLACE FRONT NO. 1 SPEAKER RH (see REMOVAL )

Tester Connection Condition Specified Condition

1 - 2

Always

1.5 to 2.1 ohms

Tester Connection Condition Specified Condition

1 - 2

Always

1.5 to 2.1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra