Inspection Procedure

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

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - MULTI-DISPLAY)

Disconnect the multi-display connector and radio receiver connector.

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

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

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
J62-2 (GND) - J52-4 (SGD1)	Always	Below 1 Ω
J62-1 (NTSC) - J52-1 (NTSC)	Always	Below 1 Ω
J62-3 (SLD) - J52-5 (SGND)	Always	Below 1 Ω
J62-1 (NTSC) - Body ground	Always	10 kΩ or higher
J62-2 (GND) - Body ground	Always	10 kΩ or higher

Fig 2: Identifying Terminals Of Radio Receiver Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT RADIO RECEIVER (OUTPUT SIGNAL)

Reconnect the radio receiver connector

Fig 3: Identifying Terminals Of Radio Receiver Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the waveform according to the table below

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
J52-1 (NTSC) - Body ground	DVD display is ON	A waveform synchronized with display signals is output

Fig 4: Identifying Waveform

HINT

The waveform pattern may differ from that shown in the illustration due to differences in oscilloscope settings A normal radio receiver operating condition can be determined if any waveform is output

Oscilloscope wave

Terminal J52-1 (NTSC) - Body ground

Setting 200 mV/DIV 10 μs/DIV.

Condition DVD display is on

NG: REPLACE RADIO RECEIVER (See REMOVAL )

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