Inspection Procedure

Fig 1: Identifying Rear Television Camera Connector With Waveform

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1. Using an oscilloscope, check the waveform.

   Measurement Condition 

   MEASUREMENT CONDITION
   
   

   Item	Content
   Tester Connection	S5-2 (CV+) - S5-1 (CV-)
   Tool Setting	0.2 V/DIV., 0.2 μS/DIV.
   Condition	Engine switch on (IG), shift lever moved to R

   OK: 

   Pulse generation 

NG: REPLACE REAR TELEVISION CAMERA ASSEMBLY  (See REMOVAL  )

OK: Go to next step 

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

   Standard Voltage 

   VOLTAGE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   F27-13 (CA+) - F27-14 (CGND)	Engine switch on (IG), shift lever moved to R	5.8 to 6.5 V

NG: REPLACE MULTI-DISPLAY  (See REMOVAL )

Fig 2: Identifying Multi-Display F27 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Disconnect the F27 multi-display connector.
2. Disconnect the S5 camera connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   F27-13 (CA+) - S5-4 (CB+)	Always	Below 1 Ω
   F27-14 (CGND) - S5-3 (CGND)	Always	Below 1 Ω
   F27-27 (V+) - S5-2 (CV+)	Always	Below 1 Ω
   F27-28 (V-) - S5-1 (CV-)	Always	Below 1 Ω
   F27-13 (CA+) - Body ground	Always	10 kΩ or higher
   F27-14 (CGND) - Body ground	Always	10 kΩ or higher
   F27-27 (CV+) - Body ground	Always	10 kΩ or higher
   F27-28 (V-) - Body ground	Always	10 kΩ or higher

   Fig 3: Identifying F27 Multi-Display Connector & S5 Camera Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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