REAR VIEW MONITOR SYSTEM > TERMINALS OF ECU

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REAR TELEVISION CAMERA ASSEMBLY

Disconnect the V8 connector from the rear television camera assembly.
Measure the voltage of each terminal of the wire harness side connector.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
V8-4 (CB+) - Body ground
B - Body ground
Power source
Power switch on (READY)
Reverse (R) selected
5.5 to 7.0 V
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the V8 connector to the rear television camera assembly.

Check for pulses between each terminal of the connector.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
V8-2 (CV+) - V8-1 (CV-)
R - W
Display signal
Power switch on (READY)
Reverse (R) selected
Camera lens not covered, displaying an image
Pulse generation
(See waveform 1)
Power switch on (READY)
Reverse (R) selected
Camera lens covered, blacking out screen
Pulse generation
(See waveform 2)

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the inner rear view mirror assembly with the connector connected.

If the result is not as specified, the camera may have a malfunction.

Reference (Oscilloscope waveform):
HINT:
A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the inner rear view mirror assembly with the connector connected.
1. Waveform 1 (camera lens is not covered, displaying an image)
  Item
  Content
  Terminal No. (Symbol)
  V8-2 (CV+) - V8-1 (CV-)
  Tool Setting
  200 mV/DIV., 50 μsec./DIV.
  Condition
  Power switch on (READY), reverse (R) selected
  HINT:
  The video waveform changes according to the image sent by the television camera assembly.
2. Waveform 2 (camera lens is covered, blacking out the screen)
  Item
  Content
  Terminal No. (Symbol)
  V8-2 (CV+) - V8-1 (CV-)
  Tool Setting
  200 mV/DIV., 50 μsec./DIV.
  Condition
  Power switch on (READY), reverse (R) selected
  HINT:
  The video waveform changes according to the image sent by the rear television camera assembly.
  Text in Illustration
  *a
  Waveform 1 (camera lens is not covered, displaying an image)
  *b
  Waveform 2 (camera lens is covered, blacking out the screen)
  *c
  Synchronization Signal
  *d
  Video Waveform

Text in Illustration
*a	Waveform 1 (camera lens is not covered, displaying an image)
*b	Waveform 2 (camera lens is covered, blacking out the screen)
*c	Synchronization Signal
*d	Video Waveform

INNER REAR VIEW MIRROR ASSEMBLY

Disconnect the T9 connector from the inner rear view mirror assembly.

Measure the voltage of each terminal of the wire harness side connector.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
T9-1 (IG) - Body ground
BE - Body ground
Power switch signal
Power switch off
Below 1 V
Power switch on (IG)
11 to 14 V
T9-2 (E) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
T9-3 (REV) - T9-2 (E)
P - W-B
Reverse signal
Power switch on (READY)
Shift state other than reverse (R) selected
Below 1 V
Power switch on (READY)
Reverse (R) selected
11 to 14 V
T9-13 (CGND) - T9-2 (E)
Shielded - W-B
Rear television camera ground (shielded)
Always
Below 1 V
T9-14 (CB+) - T9-2 (E)
B - W-B
Power source to television camera
Power switch on (READY)
Reverse (R) selected
5.5 to 7.0 V
T9-6 (CV-) - T9-2 (E)
W - W-B
Rear television camera ground
Always
Below 1 V
If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the T9 connector to the inner rear view mirror assembly.

Check for pulses between each terminal of the connector.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
T9-7 (CV+) - T9-2 (E)
R - W-B
Display signal
Power switch on (READY)
Reverse (R) selected
Camera lens not covered, displaying an image
Pulse generation
(See waveform 1)
Power switch on (READY)
Reverse (R) selected
Camera lens covered, blacking out screen
Pulse generation
(See waveform 2)

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the inner rear view mirror assembly with the connector connected.

If the result is not as specified, the camera may have a malfunction.

Reference (Oscilloscope waveform):
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the inner rear view mirror assembly with the connector connected.
1. Waveform 1 (camera lens is not covered, displaying an image)
  Item
  Content
  Terminal No. (Symbol)
  T9-7 (CV+) - T9-2 (E)
  Tool Setting
  200 mV/DIV., 50 μsec./DIV.
  Condition
  Power switch on (READY), reverse (R) selected
  HINT:
  The video waveform changes according to the image sent by the rear television camera assembly.
2. Waveform 2 (camera lens is covered, blacking out the screen)
  Item
  Content
  Terminal No. (Symbol)
  T9-7 (CV+) - T9-2 (E)
  Tool Setting
  200 mV/DIV., 50 μsec./DIV.
  Condition
  Power switch on (READY), reverse (R) selected
  HINT:
  The video waveform changes according to the image sent by the rear television camera assembly.
  Text in Illustration
  *a
  Waveform 1 (camera lens is not covered, displaying an image)
  *b
  Waveform 2 (camera lens is covered, blacking out the screen)
  *c
  Synchronization Signal
  *d
  Video Waveform

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
V8-4 (CB+) - Body ground	B - Body ground	Power source	Power switch on (READY) Reverse (R) selected	5.5 to 7.0 V

Item	Content
Terminal No. (Symbol)	V8-2 (CV+) - V8-1 (CV-)
Tool Setting	200 mV/DIV., 50 μsec./DIV.
Condition	Power switch on (READY), reverse (R) selected