Toyota Tundra. Manual — part 162

for Built-in Type Amplifier System

TESTER CONNECTION SPECIFIED CONDITION

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig. 70: Identifying K4 And K1 Connectors Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

7. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMBINATION METER)

a. Disconnect the K2*1 or K4*2 receiver connector.

HINT:

*1: for Built-in Type Amplifier System

K4-2 (ILL+) - Body ground Light control switch TAIL or HEAD

11 to 14 V

Tester Connection

Switch Condition

Specified Condition

K1-10(ILL+) - Body ground Light control switch TAIL or HEAD

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

*2: for Separate Type Amplifier System

b. Disconnect the J28 meter connector.

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

Standard resistance:

for Separate Type Amplifier System

TESTER CONNECTION SPECIFIED CONDITION

for Built-in Type Amplifier System

TESTER CONNECTION SPECIFIED CONDITION

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Tester Connection

Condition Specified Condition

K4-12(ILL-) - J28-37 (ILL-) Always

Below 1 ohms

K4-12 (ILL-) - Body ground Always

10 kohms or higher

Tester Connection

Condition Specified Condition

K2-S (ILL-) - J28-37 (ILL-) Always

Below 1 ohms

K2-5 (ILL-) - Body ground

Always

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 71: Checking Harness And Connector (Radio Receiver - Combination Meter)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

SPEAKER CIRCUIT (INDEPENDENT AMPLIFIER)

DESCRIPTION

The stereo component amplifier sends sound signals to the speaker.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

WIRING DIAGRAM

Fig. 72: Speaker (Independent Amplifier) - Wiring Diagram (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra