Terminals Of Ecu

TELEVISION CAMERA ASSEMBLY

Disconnect the R15 camera connector.

Fig 1: Identifying R15 Camera Connector
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Measure the voltage and resistance between each terminal of the wire harness side connector.

ECU CONNECTOR TERMINAL DESCRIPTION CHART

Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Specified Value
CGND (R15-3) - Body ground	W - Body ground	Ground	Always	Below 1 Ω
CB+ (R15-4) - CGND (R15-3)	B-W	Power source	Engine switch on (IG), shift lever R position	Approx. 6 V

If the result is not as specified, there may be a malfunction on the wire harness side.

Measure the voltage and frequency between each terminal of the connector.

ECU CONNECTOR TERMINAL DESCRIPTION CHART

Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Specified Value
CV+(R15-2) - CV-(R15-1)	R - Shielded	Display signal	Engine switch on (IG), shift lever R position	See 1waveform 1

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

Reference: Oscilloscope waveform

Waveform 1

ITEM CONTENT DESCRIPTION

Item	Content
Measurement terminal	CV+ - CV-
Measurement setting	0.2V/DIV., 0.2 μS/DIV.
Condition	Engine switch on (IG), Shift lever R position

MULTI-DISPLAY (See TERMINALS OF ECU )

Fig 2: Identifying Oscilloscope Waveform 1
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