Inspection Procedure

1. Disconnect the F29 display connector.
2. Disconnect the F25 receiver connector.
3. Measure the resistance according to the value (s) in the table below.

   Standard Resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   F29-4 (VV-) - F25-2 (GND)	Always	Below 1 Ω
   F29-1 (VV+) - F25-1 (NTSC)	Always	Below 1 Ω
   F29-4 (VV-) - Body ground	Always	10 kΩ or higher
   F29-1 (VV+) - Body ground	Always	10 kΩ or higher
   F25-3 (SLD) - Body ground	Always	10 kΩ or higher

Fig 1: Identifying F29 Display Connector And F25 Receiver Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next Step 

1. Reconnect the F25 receiver connector.
2. Check the waveform of the radio receiver using an oscilloscope.

   Measurement Condition 

   MEASUREMENT CONDITION
   
   

   Item	Content
   Terminal No. (Symbol)	NTSC (F25-1) - Body ground
   Tool Setting	0.2 V/DIV., 10 μsec./DIV.
   Condition	DVD played on radio receiver

   OK: Waveform is as shown in the illustration. 

Fig 2: Identifying F25 Receiver Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE RADIO RECEIVER ASSEMBLY  (See REMOVAL  )

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