Terminals Of Ecu

TELEVISION CAMERA ASSEMBLY

Disconnect the Q43 camera connector

Fig 1: Identifying Q43 Camera Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

TERMINAL REFERENCE

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
Q43-3 (CGND) - Body ground	W - Body ground	Ground	Always	Below 1 Ω
Q43-4 (CB+) - Q43-3 (CGND)	B - W	Power source	Engine switch on (IG), shift lever in R	5 5 to 6 5 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

TERMINAL REFERENCE

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

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

Inspect using an oscilloscope

Waveform 1 (Reference)

WAVEFORM REFERENCE

Item	Content
Measurement terminal	Q43-2 (CV+) - Q43-1 (CV-)
Measurement setting	0 2V/DIV, 50 μs/DIV
Condition	Engine switch on (IG), Shift lever in R

Fig 2: Identifying Waveform 1