Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR ASSEMBLY) (MULTI-DISPLAY - TELEVISION DISPLAY

Disconnect the multi-display connector M3 and television display assembly connector R14.

Fig 1: Identifying Multi-Display & Television Display Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLE

Tester connection	Condition	Specified condition
NTSC - W+	Always	Below 1 Ω
SGN1 - W-	Always	Below 1 Ω
SLD - SGND	Always	Below 1 Ω
NTSC - Body ground	Always	10 kΩ or higher
SGN1 - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT TELEVISION DISPLAY ASSEMBLY (OUTPUT SIGNAL)

Reconnect the television display assembly connector R14.

Fig 2: Identifying Television Display Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the waveform according to the table below.

TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLE

Tester connection	Condition	Specified condition
W+ - Body ground	DVD display is ON	A waveform synchronized with display signals is output

HINT:

The waveform pattern may differ from that shown below due to differences in oscilloscope setting. A normal television display assembly operating condition can be determined if any waveform is output.

Reference: Oscilloscope waveform

Fig 3: Identifying Oscilloscope Waveform
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Terminal: W+ - Body ground
  Setting: 200 mV/DIV., 10 μs/DIV
  
  Condition: DVD display is ON.

NG: REPLACE TELEVISION DISPLAY ASSEMBLY

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