Display Signal Circuit between Disc Player Changer and Multi-Display: Procedure

1. Check if the vehicle is equipped with the rear seat entertainment system.
   RESULT:
   
   

   Result	Proceed to
   w/ Rear seat entertainment system	A
   w/o Rear seat entertainment system	B

NG → See step   4 

OK: Go to next step 

1. Disconnect the D24 changer connector.
   Fig 1: Identifying Harness & Connector (Disc Player Changer - Television Display)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the R27 display connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   D24-13 (SGD1) - R27-9 (SLD)	Always	Below 1 Ω
   D24-16 (NTS1) - R27-11 (NTSC)	Always	Below 1 Ω
   D24-32 (SG-) - R27-10 (SGN1)	Always	Below 1 Ω
   D24-16 (NTS1) - Body ground	Always	10 kΩ or higher
   D24-32 (SG-) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the R27 display connector.
   Fig 2: Identifying Television Display

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the waveform of the television display using an oscilloscope.
   Fig 3: Identifying Signal Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   Waveform is as shown in the illustration.

   Item	Content
   Measurement terminal	NTSC (R27-11) - Body ground
   Measurement setting	0.2 V/DIV., 10 μsec./DIV.
   Condition	DVD is played on television display

NG → REPLACE TELEVISION DISPLAY 

OK: Go to next step 

1. Disconnect the M22 display connector.
   Fig 4: Identifying M22 & D24 Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the D24 changer connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   M22-1 (NTSC) - D24-27 (NTSC)	Always	Below 1 Ω
   M22-4 (SG) - D24-28 (SG)	Always	Below 1 Ω
   M22-5 (SGD1) - D24-29 (SGND)	Always	Below 1 Ω
   M22-1 (NTSC) - Body ground	Always	10 kΩ or higher
   M22-4 (SG) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the D24 changer connector.
   Fig 5: Identifying Disc Player Changer

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the waveform of the disc player changer using an oscilloscope.
   Fig 6: Identifying Signal Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   Waveform is as shown in the illustration.

   Item	Content
   Measurement terminal	NTSC (D24-27) - Body ground
   Measurement setting	0.2 V/DIV., 10 μsec./DIV.
   Condition	DVD is played on disc player changer

NG → REPLACE DISC PLAYER CHANGER 

OK → PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE