Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - NAVIGATION RECEIVER)

Disconnect the W2 display connector.
Disconnect the K5 receiver connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
W2-11 (NTSO) - K5-1 (VV+)	Always	Below 1 Ω
W2-10 (SGN1) - K5-4 (VV-)
W2-9 (SLD) - K5-4 (VV-)
W2-11 (NTSO) - Body ground	Always	10 kΩ or higher
W2-10 (SGN1) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 1: Identifying W2 And K5 Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step

CHECK TELEVISION DISPLAY (NTSO SIGNAL)

Reconnect the W2 display connector.

Check that waveform of the display using an oscilloscope.

OK: Waveform is as shown in the illustration.

WAVEFORM REFERENCE

Item	Content
Terminal No. (Symbols)	W2-11 (NTSO) - Body ground
Tool Setting	200mV/DIV., 10μs/DIV.
Condition	DVD displayed on television display

NG: REPLACE TELEVISION DISPLAY (see REMOVAL )

Fig 2: Checking Television Display (NTSO Signal)

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