Toyota Tundra. Manual — part 232

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig. 283: Identifying W2 And K5 Connectors Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to Next Step

2. CHECK TELEVISION DISPLAY (NTSO SIGNAL)

a. Reconnect the W2 display connector.

b. Check that waveform of the display using an oscilloscope.

OK: Waveform is as shown in the illustration.

WAVEFORM REFERENCE

NG: REPLACE TELEVISION DISPLAY (see REMOVAL )

Item

Content

Terminal No. (Symbols)

W2-11 (NTSO) - Body ground

Tool Setting

200mV/DIV., 10µs/DIV.

Condition

DVD displayed on television display

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 284: Checking Television Display (NTSO Signal)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

TELEVISION DISPLAY POWER SOURCE CIRCUIT

DESCRIPTION

This is power source circuit of the television display.

WIRING DIAGRAM

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 285: Television Display Power Source - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. INSPECT FUSE (RAD NO. 1, ACC)

a. Disconnect the ACC fuse from the main body ECU.

b. Disconnect the RAD NO. 1 fuse from the engine room junction block.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

NG: REPLACE FUSE

OK: Go to Next Step

2. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - BATTERY AND BODY

GROUND)

a. Disconnect the W2 display connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection Condition Specified Condition

RAD NO. 1 fuse

Always

Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

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

Fig. 286: Identifying W2 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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

RADIO RECEIVER (FOR COLUMN SHIFT TYPE)

COMPONENTS

Tester Connection

Condition Specified Condition

W2-12 (GND) - Body ground Always

Below 1 ohms

Tester Connection

Switch Condition Specified Condition

W2-16(+B) - Body ground

Always

11 to 14 V

W2-15 (ACC) - Body ground Ignition switch ACC

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra