Terminals Of Ecu

TELEVISION CAMERA ASSEMBLY

Disconnect the Q43 camera connector.

Fig 1: Terminals Of Television Camera Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the voltage and resistance between each terminal of the wire harness side connector.

TELEVISION CAMERA ASSEMBLY (CAMERA CONNECTOR DISCONNECTED)

Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Specified value
CGND (Q43-3) - Body ground	W - Body ground	Ground	Always	Below 1 ohms
CB+ (Q43-4) - CGND (Q43-3)	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.

TELEVISION CAMERA ASSEMBLY (CAMERA CONNECTOR RECONNECTED)

Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Specified value
CV+ (Q43-2) - CV- (Q43-1)	R - Shielded	Display signal	Engine switch on (IG), shift lever R position	See Fig 2

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

WAVEFORM 1

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