METER / GAUGE SYSTEM TERMINALS OF ECU

CHECK COMBINATION METER

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
E120-1 (ILL-) - Body ground	W - Body ground	Illumination signal	Engine switch on (IG), headlight dimmer switch off	11 to 14 V
E120-1 (ILL-) - Body ground	W - Body ground	Illumination signal	Engine switch on (IG), headlight dimmer switch on (Tail)	Below 1 V
E120-3 (EP) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
E120-5 (SI) - Body ground	W - Body ground	Speed signal for other system (Input)	Driving at approximately 20 km/h (12 mph)	Pulse generation (See waveform 1)
E120-6 (+S) - Body ground	L - Body ground	Speed signal for other system (Output)	Driving at approximately 20 km/h (12 mph)	Pulse generation (See waveform 1)
E120-7 (FLDS) - Body ground	G - Body ground	3rd seat indicator request signal	Engine switch on (IG), "3rd seat" is display	11 to 14 V
E120-7 (FLDS) - Body ground	G - Body ground	3rd seat indicator request signal	Engine switch on (IG), "3rd seat" is not display	Below 1 V
E120-8 (REST) - Body ground	B - Body ground	Reset switch signal	Engine switch on (IG), Turn off the reset switch	11 to 14 V
E120-8 (REST) - Body ground	B - Body ground	Reset switch signal	Engine switch on (IG), Turn on the reset switch	Below 1 V
E120-9 (PBKL) - Body ground	B - Body ground	Front passenger seat belt buckle switch signal	Front passenger seat belt buckle switch off	11 to 14 V
E120-9 (PBKL) - Body ground	B - Body ground	Front passenger seat belt buckle switch signal	Front passenger seat belt buckle switch on	Below 1 V
E120-10 (LA/B) - Body ground	GR - Body ground	Ground	Always	Below 1 Ω
E120-11 (WRNP) - Body ground	LG - Body ground	Front passenger side seat belt warning signal	Front passenger side seat belt warning indicator light blinking	11 to 14 V ←→ Below 1 V
E120-11 (WRNP) - Body ground	LG - Body ground	Front passenger side seat belt warning signal	Front passenger side seat belt warning light indicator off	Below 1 V
E120-12 (R/O) - Body ground	P - Body ground	RSCA OFF indicator request signal	RSCA OFF indicator light off	11 to 14 V
E120-12 (R/O) - Body ground	P - Body ground	RSCA OFF indicator request signal	RSCA OFF indicator light on	Below 1 V
E120-13 (PODS) - Body ground	P - Body ground	Front passenger seat occupant detection sensor signal	Front passenger seat occupant detection sensor off	11 to 14 V
E120-13 (PODS) - Body ground	P - Body ground	Front passenger seat occupant detection sensor signal	Front passenger seat occupant detection sensor on	Below 1 V
E120-15 (S) - Body ground*1	G - Body ground	Sedimenter level warning switch signal	Engine switch on (IG), fuel sedimenter light off	11 to 14 V
E120-15 (S) - Body ground*1	G - Body ground	Sedimenter level warning switch signal	Engine switch on (IG), fuel sedimenter light on	Below 1 V
E120-16 (FFTR) - Body ground*1	V - Body ground	Clogging switch signal	Engine switch on (IG), fuel sedimenter light off	11 to 14 V
E120-16 (FFTR) - Body ground*1	V - Body ground	Clogging switch signal	Engine switch on (IG), fuel sedimenter light on	Below 1 V
E120-17 (FE&B) - Body ground	B - Body ground	Fuel sender gauge ground signal	Always	Below 1 Ω
E120-18 (FE) - Body ground*2	SB - Body ground	Sub fuel sender gauge ground signal	Always	Below 1 Ω
E120-19 (E2) - Body ground	L - Body ground	Ground	Always	Below 1 Ω
E120-20 (ET) - Body ground	BR - Body ground	Ground	Always	Below 1 Ω
E120-21 (B) - Body ground	V - Body ground	Battery	Always	11 to 14 V
E120-22 (IG+) - Body ground	BE - Body ground	Engine switch signal	Engine switch off	Below 1 V
E120-22 (IG+) - Body ground	BE - Body ground	Engine switch signal	Engine switch on (IG)	11 to 14 V
E120-26 (CHG-) - Body ground (for 1VD-FTV)	GR - Body ground	Charge warning light signal	Charge warning light turns off	11 to 14 V
E120-26 (CHG-) - Body ground (for 1VD-FTV)	GR - Body ground	Charge warning light signal	Charge warning light turns on	Below 1 V
E120-27 (WLVL) - Body ground	V - Body ground	Washer fluid level signal	Engine switch on (IG), shift position is not R	Below 1 V
E120-27 (WLVL) - Body ground	V - Body ground	Washer fluid level signal	Engine switch on (IG), shift position is R	11 to 14 V
E120-29 (OIL) - Body ground	L - Body ground	Engine oil level signal	Engine switch on (IG), oil level sensor off	11 to 14 V
E120-29 (OIL) - Body ground	L - Body ground	Engine oil level signal	Engine switch on (IG), oil level sensor on	Below 1 V
E120-30 (ILL+) - Body ground	G - Body ground	Light control rheostat power source	Engine switch on (IG)	11 to 14 V
E120-30 (ILL+) - Body ground	G - Body ground	Light control rheostat power source	Engine switch off	Below 1 V
E120-31 (TR) - Body ground	W - Body ground	Light control rheostat signal	Engine switch on (IG), Light control rheostat fully turned right	11 to 14 V
E120-31 (TR) - Body ground	W - Body ground	Light control rheostat signal	Engine switch on (IG), Light control rheostat fully turned left	Below 1 V
E120-32 (TC) - Body ground	B - Body ground	Tail cancel switch signal	Engine switch on (IG), turn off the tail cancel switch	10 kΩ or higher
E120-32 (TC) - Body ground	B - Body ground	Tail cancel switch signal	Engine switch on (IG), turn on the tail cancel switch	Below 1 Ω
E120-33 (FR) - Body ground	G - Body ground	Fuel sender gauge signal	Engine switch on (IG), fuel level F	4.2 to 4.3 V
E120-33 (FR) - Body ground	G - Body ground	Fuel sender gauge signal	Engine switch on (IG), fuel level E	0.63 to 0.75 V
E120-34 (FR) - Body ground*2	W - Body ground	sub fuel sender gauge signal	Engine switch on (IG), fuel level F	4.2 to 4.3 V
E120-34 (FR) - Body ground*2	W - Body ground	sub fuel sender gauge signal	Engine switch on (IG), fuel level E	0.63 to 0.75 V
E120-35 (FV) - Body ground	W - Body ground	Fuel sender gauge power source signal	Always	4.5 to 5.2 V
E120-36 (L) - Body ground*2	P - Body ground	sub fuel sender gauge power source signal	Always	4.5 to 5.2 V
E120-37 (MSCH) - Body ground	L - Body ground	CAN communication line	-	-
E120-38 (MSCL) - Body ground	G - Body ground	CAN communication line	-	-
E120-39 (CANH) - Body ground	BE - Body ground	CAN communication line	-	-
E120-40 (CANL) - Body ground	W - Body ground	CAN communication line	-	-
E121-1 (B) - Body ground	P - Body ground	Battery	Always	11 to 14 V
E121-2 (MSM+) - Body ground	L - Body ground	Steering pad switch signal	Engine switch on (IG), enter, top and back switches on steering pad switch assembly not pushed	11 to 14 V
E121-2 (MSM+) - Body ground	L - Body ground	Steering pad switch signal	Engine switch on (IG), enter, top and back switches on steering pad switch assembly pushed	Below 1 V
E121-3 (MSTI) - Body ground	B - Body ground	Steering pad switch signal	Engine switch on (IG), up, down, right, and left switches on steering pad switch assembly not pushed	11 to 14 V
E121-3 (MSTI) - Body ground	B - Body ground	Steering pad switch signal	Engine switch on (IG), up, down, right, or left switches on steering pad switch assembly pushed	Below 1 V
E121-4 (SW) - Body ground	P - Body ground	Headlight dimmer switch assembly (full turn) signal	Headlight dimmer switch assembly on (full turn)	11 to 14 V
E121-4 (SW) - Body ground	P - Body ground	Headlight dimmer switch assembly (full turn) signal	Headlight dimmer switch assembly off	Below 1 V
E121-5 (HAZM) - Body ground	B - Body ground	Hazard warning signal switch signal (Output)	Engine switch on (IG), hazard warning signal switch pressed	11 to 14 V ←→ Below 1 V
E121-5 (HAZM) - Body ground	B - Body ground	Hazard warning signal switch signal (Output)	Engine switch on (IG), hazard warning signal switch not pressed	Below 1 V
E121-6 (S) - Body ground	B - Body ground	Level warning switch signal	Engine switch on (IG), engine is stop	11 to 14 V
E121-6 (S) - Body ground	B - Body ground	Level warning switch signal	Engine switch on (IG), engine is running	Below 1 V
E121-7 (LL) - Body ground	L - Body ground	LH turn indicator light signal (Output)	Engine switch on (IG), LH turn indicator light blinking	11 to 14 V ←→ Below 1 V
E121-7 (LL) - Body ground	L - Body ground	LH turn indicator light signal (Output)	Engine switch on (IG), LH turn indicator switch off	11 to 14 V
E121-8 (RRT) - Body ground	V - Body ground	RH turn indicator light signal (Output)	Engine switch on (IG), RH turn indicator light blinking	11 to 14 V ←→ Below 1 V
E121-8 (RRT) - Body ground	V - Body ground	RH turn indicator light signal (Output)	Engine switch on (IG), RH turn indicator switch off	11 to 14 V
E121-9 (ER) - Body ground	B - Body ground	RH turn indicator light signal (Input)	Engine switch on (IG), RH turn indicator switch off	11 to 14 V
E121-9 (ER) - Body ground	B - Body ground	RH turn indicator light signal (Input)	Engine switch on (IG), RH turn indicator switch on	Below 1 V
E121-10 (EL) - Body ground	L - Body ground	LH turn indicator light signal (Input)	Engine switch on (IG), LH turn indicator switch off	11 to 14 V
E121-10 (EL) - Body ground	L - Body ground	LH turn indicator light signal (Input)	Engine switch on (IG), LH turn indicator switch on	Below 1 V
E121-11 (HZSW) - Body ground	P - Body ground	Hazard warning switch signal (Output)	Engine switch on (IG), hazard warning signal switch off	11 to 14 V
E121-11 (HZSW) - Body ground	P - Body ground	Hazard warning switch signal (Output)	Engine switch on (IG), hazard warning signal switch on	Below 1 V
E121-12 (RLT) - Body ground	W - Body ground	LH turn indicator light signal (Output)	Engine switch on (IG), LH turn indicator light blinking	11 to 14 V ←→ Below 1 V
E121-12 (RLT) - Body ground	W - Body ground	LH turn indicator light signal (Output)	Engine switch on (IG), LH turn indicator switch off	11 to 14 V
E121-13 (LR) - Body ground	R - Body ground	RH turn indicator light signal (Output)	Engine switch on (IG), RH turn indicator light blinking	11 to 14 V ←→ Below 1 V
E121-13 (LR) - Body ground	R - Body ground	RH turn indicator light signal (Output)	Engine switch on (IG), RH turn indicator light off	Below 1 V
F106-1 (GVIF) - Body ground	B - Body ground	Video Signal (Digital)	-	-

*1: for 1VD-FTV
*2: for Double Tank

Using an oscilloscope, check waveform 1.

Waveform (Reference)
Item	Condition
Tester Connection	E120-5 (SI) - Body ground E120-6 (+S) - Body ground
Tool Setting	5 V/DIV., 20 ms./DIV.
Vehicle Condition	Driving at approximately 20 km/h (12 mph)

Tech Tips

When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.