Terminals Of Ecu

CHECK OUTER MIRROR CONTROL ECU ASSY

Fig 1: Identifying Terminals Of ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check the voltage and continuity between each terminal of the wire harness side connector.

STANDARD:

CHECKING VOLTAGE AND CONTINUITY SPECIFICATION

Symbols (Terminal No.)	Wiring Color	Condition	Specified condition
GND <==> Body ground (M2-14 <==> Body ground)	W-B <==> Body ground	Constant	Continuity
GND <==> B (M2-14 <==> M2-1)	W-B <==> W-R	Constant	10 - 14 V
ACC <==> GND (M2-2 <==> M2-14)	GR <==> W-B	Ignition switch OFF --> ACC	0V <==> 10 - 14 V

HINT:

If the value is not as specified, a malfunction exists in the wire harness side.

Connect the M2 connector, and check the voltage between each terminal of the connector.

STANDARD:

CHECKING VOLTAGE - SPECIFICATION

Symbols (Terminal No.)	Wiring Color	Condition	Specified condition
M+L <==> GND (M2-10 <==> M2-14)	Y-G <==> W-B	Left side mirror switch NORMAL --> RIGHT or DOWN	0V <==> 10 - 14 V
MHL <==> GND (M2-11 <==> M2-14)	B-R <==> W-B	Left side mirror switch NORMAL --> LEFT	0V <==> 10 - 14 V
MVL <==> GND (M2-12 <==> M2-14)	L-B <==> W-B	Left side mirror switch NORMAL --> UP	0V <==> 10 - 14 V
M+R <==> GND (M2-22 <==> M2-14)	Y-G <==> W-B	Right side mirror switch NORMAL --> RIGHT or DOWN	0V <==> 10 - 14 V
MHR <==> GND (M2-23 <==> M2-14)	LG-R <==> W-B	Right side mirror switch NORMAL --> LEFT	0V <==> 10 - 14 V
MVR <==> GND (M2-24 <==> M2-14)	G-R <==> W-B	Right side mirror switch NORMAL --> UP	0V <==> 10 - 14 V

HINT:

If the value is not as specified, a malfunction exists in the outer mirror control ECU assy.