Display Signal Circuit between Multi-display and Television Camera Assembly: Procedure

1. Disconnect the J51 connector from the multi-display.
2. Disconnect the Q43 connector from the television camera assembly.
   Fig 1: Identifying Connectors

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

   Standard resistance

   Tester connection (Terminal No.)	Condition	Specified condition
   CB+ (Q43-4) - CA+ (J51-13)	Always	Below 1 Ω
   CGND (Q43-3) - CGND (J51-14)	Always	Below 1 Ω
   CV+ (Q43-2) - V+ (J51-27)	Always	Below 1 Ω
   CV- (Q43-1) - V- (J51-28)	Always	Below 1 Ω
   CB+ (Q43-4) - Body ground	Always	10 kΩ or higher
   CGND (Q43-3) - Body ground	Always	10 kΩ or higher
   CV+ (Q43-2) - Body ground	Always	10 kΩ or higher
   CV- (Q43-1) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the multi-display J51 connector.
   Fig 2: Connecting Multi-Display J51 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester connection	Condition	Specified condition
   CB+ (Q43-4) - CGND (Q43-3)	Engine switch on (IG) Shift lever R position	Approx. 6 V

NG → REPLACE MULTI-DISPLAY 

OK: Go to next step 

1. Reconnect the multi-display J51 connector and the television camera assembly Q43 connector.
   Fig 3: Identifying Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the waveform of the television camera assembly using an oscilloscope.
   Fig 4: Identifying Oscilloscope Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measurement terminal: CV+ - CV-

      Measurement setting: 0.2 V/DIV, 0.2 μs/DIV

      Condition: Engine switch on (IG), Shift lever in R range

      OK

      Pulses as shown in the illustration.

NG → REPLACE TELEVISION CAMERA ASSEMBLY 

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