Rear View Monitor System (W/O Navigation System) Display Signal Circuit Between Inner Rear View Mirror Assembly And Television Camera Assembly

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK INNER REAR VIEW MIRROR ASSEMBLY

CHECK TELEVISION CAMERA ASSEMBLY

CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - TELEVISION CAMERA ASSEMBLY)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   R11-14 (CB+) - R11-13 (CGND)	Ignition switch ON, shift lever in R	5.5 to 7.05 V

1. Using an oscilloscope, check the waveform.
   

   Measurement Condition

   Item	Content
   Tester Connection	R11-7 (CV+) - R11-6 (CV-)
   Tool Setting	0.2 V/DIV., 50 μs/DIV.
   Condition	Ignition switch ON, shift lever in R*1 Ignition switch ON, shift lever in R, screen blacked out by covering camera lens*2

   OK:

   Waveform is as shown in illustration.
   

1. Disconnect the R11 inner rear view mirror assembly connector.
   

2. Disconnect the S7 camera assembly connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   R11-14 (CB+) - S7-4 (CB+)	Always	Below 1 Ω
   R11-13 (CGND) - S7-3 (CGND)	Always	Below 1 Ω
   R11-7 (CV+) - S7-2 (CV+)	Always	Below 1 Ω
   R11-6 (CV-) - S7-1 (CV-)	Always	Below 1 Ω
   R11-14 (CB+) - Body ground	Always	10 kΩ or higher
   R11-13 (CGND) - Body ground	Always	10 kΩ or higher
   R11-7 (CV+) - Body ground	Always	10 kΩ or higher
   R11-6 (CV-) - Body ground	Always	10 kΩ or higher