Toyota Fortuner. Meter / Gauge System Terminals Of Ecu

CHECK COMBINATION METER ASSEMBLY

CHECK MULTI-DISPLAY

COMBINATION METER INNER CIRCUIT

TABLE OF TERMINAL CONNECTION

Meter / Gauge System -- Terminals Of Ecu

CHECK COMBINATION METER ASSEMBLY

Disconnect the C10 and C11 meter connectors.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No.	Wiring Color	Terminal Description	Condition	Specified Condition
C10-1 - Body ground	R - Body ground	Battery	Always	11 to 14 V
C10-21 - Body ground	B-O - Body ground	Ignition signal	Ignition switch ON	11 to 14 V
C10-21 - Body ground	B-O - Body ground	Ignition signal	Ignition switch off	Below 1 V
C11-11 - Body ground*1	B-R - Body ground	Power supply for fuel consumption calculation	Ignition switch ON	11 to 14 V
C11-11 - Body ground*1	B-R - Body ground	Power supply for fuel consumption calculation	Ignition switch off	Below 1 V
C10-22 - Body ground	Y - Body ground	Ground	Always	Below 1 Ω
C10-19 - Body ground*2	W-B - Body ground	Ground	Always	Below 1 Ω
C10-38 - Body ground*3	R-G - Body ground	Ground	Always	Below 1 Ω
C10-9 - Body ground*4	W-B - Body ground	Rheostat signal	Rheostat knob fully turned to left position	702 Ω
C10-9 - Body ground*4	W-B - Body ground	Rheostat signal	Rheostat knob fully turned to right position	Below 1 Ω
C10-9 - Body ground*5	W-G - Body ground	Ground	Always	Below 1 Ω
C10-26 - Body ground*6	W-B - Body ground	Ground	Always	Below 1 Ω

*1: for 1GR-FE
*2: w/o Airbag System
*3: w/o ABS
*4: w/ Light Control Rheostat
*5: w/o Light Control Rheostat
*6: w/o VSC
If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the C10 and C11 meter connectors.

Measure the voltage according to the value(s) in the table below.

Terminal No.	Wiring Color	Terminal Description	Condition	Specified Condition
C10-2 - C10-3	BR - BR-Y	Fuel level signal	Ignition switch ON, fuel level F	Below 1 V
C10-2 - C10-3	BR - BR-Y	Fuel level signal	Ignition switch ON, fuel level E	4 to 7 V
C10-5 - Body ground	P-L - Body ground	Vehicle speed signal (input)	Driving at approximately 20 km/h (12.4 mph)	Waveform 1
C10-6 - Body ground	V-R - Body ground	Vehicle speed signal (output)	Driving at approximately 20 km/h (12.4 mph)	Waveform 1
C10-7 - Body ground	B-W - Body ground	Tachometer signal	Engine idling	Waveform 2
C10-8 - Body ground	G - Body ground	Light control switch signal	Light control switch is HEAD or TAIL	11 to 14 V
C10-8 - Body ground	G - Body ground	Light control switch signal	Light control switch is off	Below 1 V
C10-10 - Body ground	G-Y - Body ground	Unlock warning switch signal	Ignition switch off, key is in ignition key cylinder	11 to 14 V
C10-10 - Body ground	G-Y - Body ground	Unlock warning switch signal	No key in ignition key cylinder	Below 1 V
C10-11 - Body ground	R-Y - Body ground	Driver side seat belt warning signal	Ignition switch ON, driver side seat belt fastened	11 to 14 V
C10-11 - Body ground	R-Y - Body ground	Driver side seat belt warning signal	Ignition switch ON, driver side seat belt unfastened	Below 1 V
C10-12 - C10-13*1	G-B - W-G	A/T P warning light signal	Ignition switch ON, shift lever on P, A/T P warning light ON	11 to 14 V
C10-12 - C10-13*1	G-B - W-G	A/T P warning light signal	Ignition switch ON, shift lever on P, A/T P warning light OFF	Below 1 V
C10-14 - Body ground*2	W-G - Body ground	FUEL FILTER warning light signal	Ignition switch ON, FUEL FILTER warning light OFF	11 to 14 V
C10-14 - Body ground*2	W-G - Body ground	FUEL FILTER warning light signal	Ignition switch ON, FUEL FILTER warning light ON	Below 1 V
C10-15 - Body ground	R-B - Body ground	Driver side door signal (output)	Driver side door is open	11 to 14 V
C10-15 - Body ground	R-B - Body ground	Driver side door signal (output)	Driver side door is closed	Below 1 V
C10-16 - Body ground	R-B - Body ground	Driver side door signal (input)	Driver side door is open	11 to 14 V
C10-16 - Body ground	R-B - Body ground	Driver side door signal (input)	Driver side door is closed	Below 1 V
C10-17 - Body ground	R-L - Body ground	Door signal	Doors open (Disregarding driver side door)	11 to 14 V
C10-17 - Body ground	R-L - Body ground	Door signal	Doors closed (Disregarding driver side door)	Below 1 V
C10-18 - Body ground*1	P - Body ground	A/T OIL TEMP warning light signal	Ignition switch ON, A/T OIL TEMP warning light OFF	11 to 14 V
C10-18 - Body ground*1	P - Body ground	A/T OIL TEMP warning light signal	Ignition switch ON, A/T OIL TEMP warning light ON	Below 1 V
C10-20 - Body ground*3	B-Y - Body ground	SRS warning light signal	Ignition switch ON, SRS warning light OFF	Waveform 3
C10-20 - Body ground*3	B-Y - Body ground	SRS warning light signal	Ignition switch ON, SRS warning light ON	Waveform 4
C10-23 - Body ground*2	L-R - Body ground	FUEL FILTER warning light signal	Ignition switch ON, FUEL FILTER warning light OFF	11 to 14 V
C10-23 - Body ground*2	L-R - Body ground	FUEL FILTER warning light signal	Ignition switch ON, FUEL FILTER warning light ON	Below 1 V
C10-24 - Body ground	G-B - Body ground	Turn signal indicator LH signal	Ignition switch ON, turn signal indicator LH light ON	11 to 14 V
C10-24 - Body ground	G-B - Body ground	Turn signal indicator LH signal	Ignition switch ON, turn signal indicator LH light OFF	Below 1 V
C10-25 - Body ground	G-Y - Body ground	Turn signal indicator RH signal	Ignition switch ON, turn signal indicator RH light ON	11 to 14 V
C10-25 - Body ground	G-Y - Body ground	Turn signal indicator RH signal	Ignition switch ON, turn signal indicator RH light OFF	Below 1 V
C10-26 - Body ground*4	LG - Body ground	BRAKE indicator light signal	Ignition switch ON, BRAKE indicator light OFF	11 to 14 V
C10-26 - Body ground*4	LG - Body ground	BRAKE indicator light signal	Ignition switch ON, BRAKE indicator light ON	Below 1 V
C10-27 - Body ground	R-Y - Body ground	HIGH BEAM indicator signal	HIGH BEAM indicator light OFF	11 to 14 V
C10-27 - Body ground	R-Y - Body ground	HIGH BEAM indicator signal	HIGH BEAM indicator light ON	Below 1 V
C10-28 - Body ground*5	L-B - Body ground	CRUISE indicator light signal	Ignition switch ON, CRUISE indicator light OFF	11 to 14 V
C10-28 - Body ground*5	L-B - Body ground	CRUISE indicator light signal	Ignition switch ON, CRUISE indicator light ON	Below 1 V
C10-30 - Body ground*6	G-B - Body ground	FR FOG indicator light signal	Light control switch TAIL or HEAD, fog light switch off	11 to 14 V
C10-30 - Body ground*6	G-B - Body ground	FR FOG indicator light signal	Light control switch TAIL or HEAD, fog light switch on	Below 1 V
C10-31 - Body ground	R-B - Body ground	CENTER DIFFERENTIAL LOCK indicator light signal	Ignition switch ON, CENTER DIFFERENTIAL LOCK indicator light OFF	11 to 14 V
C10-31 - Body ground	R-B - Body ground	CENTER DIFFERENTIAL LOCK indicator light signal	Ignition switch ON, CENTER DIFFERENTIAL LOCK indicator light ON	Below 1 V
C10-33 - Body ground	B - Body ground	REAR DIFFERENTIAL LOCK indicator light signal	Ignition switch ON, REAR DIFFERENTIAL LOCK indicator light OFF	11 to 14 V
C10-33 - Body ground	B - Body ground	REAR DIFFERENTIAL LOCK indicator light signal	Ignition switch ON, REAR DIFFERENTIAL LOCK indicator light OFF	Below 1 V
C10-34 - Body ground*7	W - Body ground	Engine oil level sensor signal	Ignition switch ON, OIL LEVEL warning light OFF	11 to 14 V
C10-34 - Body ground*7	W - Body ground	Engine oil level sensor signal	Ignition switch ON, OIL LEVEL warning light ON	Below 1 V
C10-35 - Body ground	LG-B - Body ground	OIL PRESSURE warning light signal	Ignition switch ON, OIL PRESSURE warning light OFF	11 to 14 V
C10-35 - Body ground	LG-B - Body ground	OIL PRESSURE warning light signal	Ignition switch ON, OIL PRESSURE warning light ON	Below 1 V
C10-36 - Body ground	LG - Body ground	BRAKE warning light signal	Ignition switch ON, BRAKE warning light OFF	11 to 14 V
C10-36 - Body ground	LG - Body ground	BRAKE warning light signal	Ignition switch ON, BRAKE warning light ON	Below 1 V
C10-37 - Body ground	GR - Body ground	CHARGE warning light signal	Ignition switch ON, CHARGE warning light OFF	11 to 14 V
C10-37 - Body ground	GR - Body ground	CHARGE warning light signal	Ignition switch ON, CHARGE warning light ON	Below 1 V
C10-38 - Body ground*8	R-G - Body ground	ABS warning light signal	Ignition switch ON, ABS warning light OFF	11 to 14 V
C10-38 - Body ground*8	R-G - Body ground	ABS warning light signal	Ignition switch ON, ABS warning light ON	Below 1 V
C10-39 - Body ground	R-B - Body ground	MIL signal	Ignition switch ON, MIL OFF	11 to 14 V
C10-39 - Body ground	R-B - Body ground	MIL signal	Ignition switch ON, MIL ON	Below 1 V
C10-40 - Body ground*2	Y-R - Body ground	GLOW indicator light signal	Ignition switch ON, GLOW indicator light OFF	11 to 14 V
C10-40 - Body ground*2	Y-R - Body ground	GLOW indicator light signal	Ignition switch ON, GLOW indicator light ON	Below 1 V
C11-1 - Body ground*9	GR-L - Body ground	Automatic transmission shift position signal (L)	Ignition switch ON, automatic transmission L indicator light ON	11 to 14 V
C11-1 - Body ground*9	GR-L - Body ground	Automatic transmission shift position signal (L)	Ignition switch ON, automatic transmission L indicator light OFF	Below 1 V
C11-2 - Body ground*9	P-L - Body ground	Automatic transmission shift position signal (2)	Ignition switch ON, automatic transmission 2 indicator light ON	11 to 14 V
C11-2 - Body ground*9	P-L - Body ground	Automatic transmission shift position signal (2)	Ignition switch ON, automatic transmission 2 indicator light OFF	Below 1 V
C11-3 - Body ground*9	L - Body ground	Automatic transmission shift position signal (3)	Ignition switch ON, automatic transmission 3 indicator light ON	11 to 14 V
C11-3 - Body ground*9	L - Body ground	Automatic transmission shift position signal (3)	Ignition switch ON, automatic transmission 3 indicator light OFF	Below 1 V
C11-4 - Body ground*9	G-O - Body ground	Automatic transmission shift position signal (4)	Ignition switch ON, automatic transmission 4 indicator light ON	11 to 14 V
C11-4 - Body ground*9	G-O - Body ground	Automatic transmission shift position signal (4)	Ignition switch ON, automatic transmission 4 indicator light OFF	Below 1 V
C11-5 - Body ground*9	B-R - Body ground	Automatic transmission shift position signal (D)	Ignition switch ON, automatic transmission D indicator light ON	11 to 14 V
C11-5 - Body ground*9	B-R - Body ground	Automatic transmission shift position signal (D)	Ignition switch ON, automatic transmission D indicator light OFF	Below 1 V
C11-6 - Body ground*9	R-W - Body ground	Automatic transmission shift position signal (N)	Ignition switch ON, automatic transmission N indicator light ON	11 to 14 V
C11-6 - Body ground*9	R-W - Body ground	Automatic transmission shift position signal (N)	Ignition switch ON, automatic transmission N indicator light OFF	Below 1 V
C11-9 - Body ground*7	G-B - Body ground	Signal for amount of fuel consumption	Engine idling	Pulse generation
C11-10 - Body ground*1	L - Body ground	Injector signal	Engine idling	Pulse generation
C11-14 - Body ground*9	R-Y - Body ground	Automatic transmission shift position signal (R)	Ignition switch ON, automatic transmission R indicator light ON	11 to 14 V
C11-14 - Body ground*9	R-Y - Body ground	Automatic transmission shift position signal (R)	Ignition switch ON, automatic transmission R indicator light OFF	Below 1 V
C11-15 - Body ground*4	BR - Body ground	VSC OFF indicator light signal	Ignition switch ON, VSC OFF indicator light OFF	11 to 14 V
C11-15 - Body ground*4	BR - Body ground	VSC OFF indicator light signal	Ignition switch ON, VSC OFF indicator light ON	Below 1 V
C11-16 - Body ground*4	P - Body ground	SLIP indicator light signal	Ignition switch ON, SLIP indicator light OFF	11 to 14 V
C11-16 - Body ground*4	P - Body ground	SLIP indicator light signal	Ignition switch ON, SLIP indicator light ON	Below 1 V

*1: for 1GR-FE
*2: for 1KD-FTV, 5L-E
*3: w/ Airbag System
*4: w/ VSC
*5: w/ Cruise Control System
*6: w/ Fog Light
*7: for 1KD-FTV
*8: w/ ABS
*9: w/ Automatic Transmission Shift Indicator Light
If the result is not as specified, the combination meter may be malfunctioning.

Using an oscilloscope, check waveform 1.
Measurement Condition
Item
Content
Terminal No.
C10-5 - Body ground
C10-6 - Body ground
Tool Setting
5 V/DIV., 10 msec./DIV.
Vehicle Condition
Driving at approximately 20 km/h (12.4 mph)
HINT:
As the vehicle speed increases, the wavelength shortens.

Using an oscilloscope, check waveform 2.
Measurement Condition
Item
Content
Terminal No.
C10-7 - Body ground
Tool Setting
5 V/DIV., 10 msec./DIV.
Vehicle Condition
Engine idling
HINT:
As the engine speed increases, the wavelength shortens.

Using an oscilloscope, check waveform 3.
Measurement Condition
Item
Content
Terminal No.
C10-20 - Body ground
Tool Setting
5 V/DIV., 50 msec./DIV.
Vehicle Condition
Ignition switch ON, SRS warning light OFF

Using an oscilloscope, check waveform 4.
Measurement Condition
Item
Content
Terminal No.
C10-20 - Body ground
Tool Setting
5 V/DIV., 50 msec./DIV.
Vehicle Condition
Ignition switch ON, SRS warning light ON

Measurement Condition
Item	Content
Terminal No.	C10-5 - Body ground C10-6 - Body ground
Tool Setting	5 V/DIV., 10 msec./DIV.
Vehicle Condition	Driving at approximately 20 km/h (12.4 mph)

Measurement Condition
Item	Content
Terminal No.	C10-7 - Body ground
Tool Setting	5 V/DIV., 10 msec./DIV.
Vehicle Condition	Engine idling

Measurement Condition
Item	Content
Terminal No.	C10-20 - Body ground
Tool Setting	5 V/DIV., 50 msec./DIV.
Vehicle Condition	Ignition switch ON, SRS warning light OFF

Measurement Condition
Item	Content
Terminal No.	C10-20 - Body ground
Tool Setting	5 V/DIV., 50 msec./DIV.
Vehicle Condition	Ignition switch ON, SRS warning light ON

CHECK MULTI-DISPLAY

Disconnect the A23 multi-display connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
A23-14 (+B) - Body ground	R - Body ground	+B power supply	Always	11 to 14 V
A23-12 (IG) - Body ground	R-B - Body ground	IG power supply	Ignition switch ON	11 to 14 V
A23-12 (IG) - Body ground	R-B - Body ground	IG power supply	Ignition switch off	Below 1 V
A23-13 (ACC) - Body ground	G-R - Body ground	ACC power supply	Ignition switch ACC	11 to 14 V
A23-13 (ACC) - Body ground	G-R - Body ground	ACC power supply	Ignition switch off	Below 1 V
A23-1 (GND1) - Body ground	LG - Body ground	Ground	Always	Below 1 Ω
A23-10 (SGND) - Body ground	BR - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the A23 multi-display connector.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
A23-2 (SG) - A23-3 (TH+)*1	BR-Y - W-G	Air conditioning ambient temperature sensor signal	Ignition switch ON, ambient temperature 25°C (77°F)	1.35 to 1.75 V
A23-2 (SG) - A23-3 (TH+)*1	BR-Y - W-G	Air conditioning ambient temperature sensor signal	Ignition switch ON, ambient temperature 40°C (104°F)	0.85 to 2.34 V
A23-11 (SW+) - Body ground*2	B - Body ground	Steering pad switch signal	Ignition switch ON, steering pad switch not pressed	4 V or more
A23-11 (SW+) - Body ground*2	B - Body ground	Steering pad switch signal	Ignition switch ON, INFO switch pressed	Below 1 V
A23-11 (SW+) - Body ground*2	B - Body ground	Steering pad switch signal	Ignition switch ON, MODE RESET switch pressed	2 to 3 V
A23-8 (PBEW) - Body ground*3	G-W - Body ground	Front passenger side seat belt warning light signal	Ignition switch ON, front passenger side seat belt warning light OFF	11 to 14 V
A23-8 (PBEW) - Body ground*3	G-W - Body ground	Front passenger side seat belt warning light signal	Ignition switch ON, front passenger side seat belt warning light ON	Below 1 V

*1: for Automatic Air Conditioning System
*2: w/ Steering Pad Switch
*3: w/ Front Passenger Seat Belt Warning System
If the result is not as specified, the accessory meter may be malfunctioning.

COMBINATION METER INNER CIRCUIT

*1: for 1GR-FE
*2: for 1KD-FTV, 5L-E
*3: for 1KD-FTV
*4: w/ Airbag System
*5: w/o Airbag System
*6: w/ Multi-display
*7: for 2TR-FE, 1KD-FTV, 5L-E
*8: w/ Fog Light
*9: w/ Automatic Transmission Shift Indicator Light
*10: w/ Cruise Control System
*11: w/ Rear Differential Lock System
*12: w/ VSC

TABLE OF TERMINAL CONNECTION

*1: w/ Light Control Rheostat
*2: w/o Light Control Rheostat
*3: for 1GR-FE
*4: for 1KD-FTV, 5L-E
*5: w/o Airbag System
*6: w/ Airbag System
*7: w/ VSC
*8: w/o VSC
*9: w/ Cruise Control System
*10: w/ Fog Light
*11: w/ Rear Differential Lock System
*12: for 1KD-FTV
*13: w/ ABS
*14: w/o ABS
*15: w/ Automatic Transmission Shift Indicator Light
*16: w/ Multi-display

Terminal No.		Wire Harness Side
C10	1	DOME fuse
	2	Fuel sender gauge
	3	Fuel sender gauge
	4	ECM
	5	Vehicle speed sensor
	6	4-pulse output
	7	ECM
	8	Headlight dimmer switch
	9	Light control rheostat1 Body ground2
	10	Unlock warning switch
	11	Front seat inner belt (for Driver Side)
	12	Park / neutral position switch*3
	13	Transfer neutral detection switch*3
	14	Fuel filter (Fuel filter switch)*4
	15	Integration relay
	16	Front door courtesy switch (for Driver Side)
	17	Front door courtesy switch (for Passenger Side) Rear door courtesy switch LH Rear door courtesy switch RH Back door courtesy switch
	18	ECM*3
	19	Body ground*5
	20	Center airbag sensor assembly*6
	21	MET fuse
	22	Body ground
	23	Fuel filter (Fuel sedimenter switch)*4
	24	Turn signal flasher relay
	25	Turn signal flasher relay
	26	Skid control ECU with actuator7 Body ground8
	27	Headlight dimmer switch
	28	ECM*9
	29	-
	30	Fog light switch*10
	31	Transfer indicator switch
	32	-
	33	Four wheel drive control ECU*11
	34	Engine oil level sensor*12
	35	Engine oil pressure switch
	36	Parking brake switch Brake fluid level warning switch Brake vacuum warning switch*4
	37	Generator
	38	Skid control ECU with actuator13 Body ground14
	39	ECM
	40	ECM*4
C11	1	Shift lock control ECU*15
	2	Shift lock control ECU*15
	3	Park / neutral position switch*15
	4	Shift lock control ECU*15
	5	Shift lock control ECU*15
	6	Park / neutral position switch*15
	7	-
	8	-
	9	ECM*12
	10	No. 1 fuel Injector*3
	11	INJ fuse*3
	12	Multi-display*16
	13	Multi-display*16
	14	Park / neutral position switch*15
	15	-
	16	-