REAR VIEW MONITOR SYSTEM (w/ Navigation System) > Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly

for Preparation Click here


DESCRIPTION

This is the display signal circuit of the television camera.

WIRING DIAGRAM


E182129E07


E182129E08


INSPECTION PROCEDURE

1.CHECK NAVIGATION RECEIVER ASSEMBLY


    E180056E01

  1. w/ "Bluetooth" Function:

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

      Standard Voltage:
      Tester Connection
      		Switch Condition
      		Specified Condition
      E106-2 (CA+) - E106-12 (CGND)
      		Ignition switch ON, shift lever in R
      		5.5 to 7.05 V


    I102033E08

  1. w/o "Bluetooth" Function:

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

      Standard Voltage:
      Tester Connection
      		Switch Condition
      		Specified Condition
      E54-24 (CA+) - E54-21 (CGND)
      		Ignition switch ON, shift lever in R
      		5.5 to 7.05 V
Result 
Result
Proceed to
OK
A
NG (for HDD Navigation System)
B
NG (for DVD Navigation System)
C


B
REPLACE NAVIGATION RECEIVER ASSEMBLY (Click here)

C
REPLACE NAVIGATION RECEIVER ASSEMBLY (Click here)
A


2.CHECK TELEVISION CAMERA ASSEMBLY


  1. w/ "Bluetooth" Function:


    E174002E04

    1. Using an oscilloscope, check the waveform.

      Measurement Condition 
      Item
      		Content
      Tester Connection
      		E106-1 (V+) - E106-11 (V-)
      Tool Setting
      		0.2 V/DIV., 50 μs/DIV.
      Condition
      1. Ignition switch ON, shift lever in R*1
      2. Ignition switch ON, shift lever in R, screen blacked out by covering camera lens*2

      OK:
      Waveform is as shown in illustration.


  1. w/o "Bluetooth" Function:


    E185321E01

    1. Using an oscilloscope, check the waveform.

      Measurement Condition 
      Item
      		Content
      Tester Connection
      		E54-23 (V-) - E54-22 (V+)
      Tool Setting
      		0.2 V/DIV., 50 μs/DIV.
      Condition
      1. Ignition switch ON, shift lever in R*1
      2. Ignition switch ON, shift lever in R, screen blacked out by covering camera lens*2

      OK:
      Waveform is as shown in illustration.


NG
Go to step 3
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)  

3.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)


    E180057E01

  1. w/ "Bluetooth" Function:

    1. Disconnect the E106 navigation receiver assembly connector.

    2. Disconnect the S7 television camera assembly connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      E106-2 (CA+) - S7-4 (CB+)
      		Always
      		Below 1 Ω
      E106-12 (CGND) - S7-3 (CGND)
      		Always
      		Below 1 Ω
      E106-1 (V+) - S7-2 (CV+)
      		Always
      		Below 1 Ω
      E106-11 (V-) - S7-1 (CV-)
      		Always
      		Below 1 Ω
      E106-2 (CA+) - Body ground
      		Always
      		10 kΩ or higher
      E106-12 (CGND) - Body ground
      		Always
      		10 kΩ or higher
      E106-1 (V+) - Body ground
      		Always
      		10 kΩ or higher
      E106-11 (V-) - Body ground
      		Always
      		10 kΩ or higher


    I102048E02

  1. w/ "Bluetooth" Function:

    1. Disconnect the E54 navigation receiver assembly connector.

    2. Disconnect the S7 television camera assembly connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      E54-24 (CA+) - S7-4 (CB+)
      		Always
      		Below 1 Ω
      E54-21 (CGND) - S7-3 (CGND)
      		Always
      		Below 1 Ω
      E54-22 (V+) - S7-2 (CV+)
      		Always
      		Below 1 Ω
      E54-23 (V-) - S7-1 (CV-)
      		Always
      		Below 1 Ω
      E54-24 (CA+) - Body ground
      		Always
      		10 kΩ or higher
      E54-21 (CGND) - Body ground
      		Always
      		10 kΩ or higher
      E54-22 (V+) - Body ground
      		Always
      		10 kΩ or higher
      E54-23 (V-) - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE TELEVISION CAMERA ASSEMBLY (Click here)