Terminals Of Ecu [06/2018 - 10/2019]

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CHECK DCM (TELEMATICS TRANSCEIVER)

Fig 1: DCM (Telematics Transceiver) Connector End View

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Connector Color: Natural (to Telephone Antenna (Sub))	*b	Connector Color: Gray (to GPS Antenna)
*c	Connector Color: Blue (to Telephone Antenna (Main))	-	-

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G10-1 (+B) - G10-4 (E)	GR - W-B	Battery power supply	Always	11 to 14 V
G10-2 (SPI+) - G10-4 (E)	B - W-B	Sound signal	Audio system playing	A waveform synchronized with sound is output
G10-3 (SPI-) - G10-4 (E)	W - W-B	Sound signal	Audio system playing	A waveform synchronized with sound is output
G10-4 (E) - Body ground	W-B - Body ground	Ground	Always	Below 1 V
G10-5 (SPO+) - G10-4 (E)	B - W-B	Sound signal	Audio system playing, or Emergency call mode	A waveform synchronized with sound is output
G10-6 (SPO-) - G10-4 (E)	W - W-B	Sound signal	Audio system playing, or Emergency call mode	A waveform synchronized with sound is output
G10-7 (IG2) - G10-4 (E)	P - W-B	IG power supply	Engine switch on (IG)	11 to 14 V
G10-7 (IG2) - G10-4 (E)	P - W-B	IG power supply	Engine switch off	Below 1 V
G10-8 (ACC) - G10-4 (E)	P - W-B	ACC power supply	Engine switch on (ACC)	11 to 14 V
G10-8 (ACC) - G10-4 (E)	P - W-B	ACC power supply	Engine switch off	Below 1 V
G10-9 (SLED) - G10-4 (E)	SB - W-B	Manual (SOS) switch illumination power supply	Engine switch on (ACC)	11 to 14 V
G10-9 (SLED) - G10-4 (E)	SB - W-B	Manual (SOS) switch illumination power supply	Engine switch off	Below 1 V
G10-11 (IND1) - G10-4 (E)	LG - W-B	Manual (SOS) switch red indicator illumination signal	For 2 seconds after turning the Engine switch on (IG)	1 to 8.5 V
G10-11 (IND1) - G10-4 (E)	LG - W-B	Manual (SOS) switch red indicator illumination signal	Engine switch off	Below 1 V
G10-12 (IND2) - G10-4 (E)	G - W-B	Manual (SOS) switch green indicator illumination signal	For 2 seconds after turning the Engine switch on (IG)	1 to 8.5 V
G10-12 (IND2) - G10-4 (E)	G - W-B	Manual (SOS) switch green indicator illumination signal	Engine switch off	Below 1 V
G10-15 (CANP)	R	CAN communication signal	-	-
G10-16 (CANN)	W	CAN communication signal	-	-
G10-17 (MUTE) - G10-4 (E)	BE - W-B	Mute signal	Audio system playing	3.5 V or higher
G10-17 (MUTE) - G10-4 (E)	BE - W-B	Mute signal	Emergency call mode	Below 1 V
G10-18 (MCO+) - G10-4 (E)*1	P - W-B	Sent microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-18 (MCO+) - G10-4 (E)*2	P - W-B	Sent microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-19 (MCO-) - G10-4 (E)*1	L - W-B	Sent microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-19 (MCO-) - G10-4 (E)*2	L - W-B	Sent microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-24 (GSW) - G10-4 (E)	Y - W-B	Collision detection signal	Engine switch on (IG)	Pulse generation (Refer to waveform 1)
G10-26 (SIG-) - G10-4 (E)	B - W-B	Ground	Always	Below 1 V
G10-27 (SIG1) - G10-4 (E)	R - W-B	Manual (SOS) switch condition signal	Manual (SOS) switch not pressed	1.5 to 2.0 V
G10-27 (SIG1) - G10-4 (E)	R - W-B	Manual (SOS) switch condition signal	Manual (SOS) switch pressed	0.5 to 0.8 V
G10-32 (SGND) - G10-4 (E)	Shield - W-B	Shield ground	Always	Below 1 V
G10-33 (MCVD) - G10-4 (E)	B - W-B	Telephone microphone assembly power supply	Engine switch off	Below 1 V
G10-33 (MCVD) - G10-4 (E)	B - W-B	Telephone microphone assembly power supply	Engine switch on (ACC)	4 to 6 V
G10-34 (MCI+) - G10-4 (E)*1	W - W-B	Receive microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-34 (MCI+) - G10-4 (E)*2	W - W-B	Receive microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-35 (MCI-) - G10-4 (E)*1	R - W-B	Receive microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-
G10-35 (MCI-) - G10-4 (E)*2	R - W-B	Receive microphone voice signal	See "Check Microphone" Refer to OPERATION CHECK [06/2018 - 10/2019]	-

*1: w/o Navigation System
*2: w/ Navigation System

Oscilloscope waveform:

Fig 2: Waveform 1

Waveform 1

Item	Condition
Tester connection	G10-24 (GSW) - G10-4 (E)
Tool setting	5.0 V/DIV., 20 ms/DIV.
Vehicle condition	Engine switch on (IG)

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY (w/o Navigation System)
Refer to TERMINALS OF ECU [06/2018 - 08/2021]
CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY (w/ Navigation System)
Refer to TERMINALS OF ECU [06/2018 - 08/2021]
CHECK RADIO RECEIVER ASSEMBLY (w/o Navigation System)
Refer to TERMINALS OF ECU [06/2018 - 08/2021]
CHECK RADIO RECEIVER ASSEMBLY (w/ Navigation System)
Refer to TERMINALS OF ECU [06/2018 - 08/2021]