Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MULTI-DISPLAY CONTROLLER

Disconnect the R30 controller connector

Using an oscilloscope, check the signal waveform between each terminal and the body ground according to the conditions, as shown in the chart below Measurement condition

TESTER CONNECTION CHART

Tester Connection	Content
Terminal No (Symbols)	NTS2 (R30-24) - Body ground
Tool Setting	0 2V/DIV, 10 μsec/DIV
Condition	During DVD image

OK: Waveform is as shown in the illustration.

Fig 1: Identifying R30 Controller Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 2

OK: REPLACE MULTI-DISPLAY CONTROLLER (See REMOVAL )

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER - REAR SEAT CONSOLE BOX)

Disconnect the R30 controller.
Disconnect the R16 box connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
R30-24 (NTS2) - R16-7 (NTSC)	Always	Below 1 Ω
R30-25 (SGN2) - R16-6 (SGND)
R30-26 (SLDB) - R16-5 (SLD2)
R30-24 (NTS2) - Body ground	Always	10 kΩ or higher
R30-25 (SGN2) - Body ground	Always	10 kΩ or higher

Fig 2: Identifying R16 And R30 Connector Terminals (Multi-Display Controller - Rear Seat Console Box)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT REAR SEAT CONSOLE BOX

Fig 3: Inspecting Rear Seat Console Box

Disconnect the box connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
A-9 (SLD2) - E-5 (SLD2)	Always	Below 1 Ω
A-10 (SGND) - E-6 (SGND)
A-11 (NTSC) - E-7 (NTSC)

NG: REPLACE REAR SEAT CONSOLE BOX (See REMOVAL )

OK: REPLACE DISC PLAYER (See REMOVAL )