Sfi System Terminals Of Ecm

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Tr-Fbe Engine Control. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. WAVEFORM 1

  1. WAVEFORM 2

  1. WAVEFORM 3

  1. WAVEFORM 4

  1. WAVEFORM 5

  1. WAVEFORM 6

  1. WAVEFORM 7

  1. WAVEFORM 8

  1. WAVEFORM 9

  1. WAVEFORM 10

  1. WAVEFORM 11

  1. WAVEFORM 12

  1. WAVEFORM 13

  1. WAVEFORM 14

  1. WAVEFORM 15

Sfi System -- Terminals Of Ecm



Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm

HINT:
The standard voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard voltage for that pair of terminals displayed in the "Specified Condition" column. The illustration above can be used as a reference to identify the ECM terminal locations.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
G145-17 (BATT) - C98-5 (E1)
L - BR
Battery (for measuring battery voltage and for ECM memory)
Always
11 to 14 V
G145-22 (+BM) - C98-5 (E1)
R-W - BR
Power source of throttle actuator
Always
11 to 14 V
G146-22 (IGSW) - C98-5 (E1)
B-O - BR
Ignition switch
Ignition switch ON
11 to 14 V
G145-23 (+B) - C98-5 (E1)
B - BR
Power source of ECM
Ignition switch ON
11 to 14 V
G146-12 (MREL) - C98-5 (E1)
W-G - BR
MAIN relay
Ignition switch ON
11 to 14 V
C95-10 (VCTA) - C96-16 (E2)
Y - BR
Power source of sensor (specific voltage)
Ignition switch ON
4.5 to 5.0 V
C95-3 (VTA1) - C95-9 (ETA)
B-R - BR
Throttle position sensor (for engine control)
Ignition switch ON, accelerator pedal fully released
0.5 to 1.1 V
C95-3 (VTA1) - C95-9 (ETA)
B-R - BR
Throttle position sensor (for engine control)
Ignition switch ON, accelerator pedal fully depressed
3.2 to 4.8 V
C95-4 (VTA2) - C95-9 (ETA)
LG - BR
Throttle position sensor (for sensor malfunction detection)
Ignition switch ON, accelerator pedal fully released
2.1 to 3.1 V
C95-4 (VTA2) - C95-9 (ETA)
LG - BR
Throttle position sensor (for sensor malfunction detection)
Ignition switch ON, accelerator pedal fully depressed
4.6 to 5.0 V
G146-6 (VPA) - G146-2 (EPA)
W-L - BR-W
Accelerator pedal position sensor (for engine control)
Ignition switch ON, accelerator pedal fully released
0.5 to 1.1 V
G146-6 (VPA) - G146-2 (EPA)
W-L - BR-W
Accelerator pedal position sensor (for engine control)
Ignition switch ON, accelerator pedal fully depressed
2.6 to 4.5 V
G146-5 (VPA2) - G146-1 (EPA2)
GR-G - BR-Y
Accelerator pedal position sensor (for sensor malfunction detection)
Ignition switch ON, accelerator pedal fully released
1.2 to 2.0 V
G146-5 (VPA2) - G146-1 (EPA2)
GR-G - BR-Y
Accelerator pedal position sensor (for sensor malfunction detection)
Ignition switch ON, accelerator pedal fully depressed
3.4 to 5.0 V
G146-4 (VCPA) - C98-5 (E1)
LG-R - BR
Power source of accelerator pedal position sensor (for VPA)
Ignition switch ON
4.5 to 5.0 V
G146-3 (VCP2) - C98-5 (E1)
BR-R - BR
Power source of accelerator pedal position sensor (for VPA2)
Ignition switch ON
4.5 to 5.0 V
C95-13 (VG) - C95-7 (E2G)
L-W - L-R
Mass air flow meter
Idling, shift lever in P or N (for A/T) or neutral (for M/T), A/C switch off
0.5 to 3.0 V
C95-12 (THA) - C95-11 (ETHA)
L-B - BR
Intake air temperature sensor
Idling, intake air temperature 20°C (68°F)
0.5 to 3.4 V
C95-18 (THW) - C95-17 (ETHW)
B - BR
Engine coolant temperature sensor
Idling, engine coolant temperature 80°C (176°F)
0.2 to 1.0 V
C98-6 (#10) - C98-11 (E01)
L - W-B
Fuel injector assembly
Ignition switch ON
11 to 14 V
C98-7 (#20) - C98-11 (E01)
G - W-B
Fuel injector assembly
Ignition switch ON
11 to 14 V
C98-8 (#30) - C98-11 (E01)
R - W-B
Fuel injector assembly
Ignition switch ON
11 to 14 V
C98-9 (#40) - C98-11 (E01)
W - W-B
Fuel injector assembly
Ignition switch ON
11 to 14 V
C98-6 (#10) - C98-11 (E01)
L - W-B
Fuel injector assembly
Idling
Pulse generation
(See waveform 1)
C98-7 (#20) - C98-11 (E01)
G - W-B
Fuel injector assembly
Idling
Pulse generation
(See waveform 1)
C98-8 (#30) - C98-11 (E01)
R - W-B
Fuel injector assembly
Idling
Pulse generation
(See waveform 1)
C98-9 (#40) - C98-11 (E01)
W - W-B
Fuel injector assembly
Idling
Pulse generation
(See waveform 1)
C98-1 (IGT1) - C98-5 (E1)
R - BR
Ignition coil assembly
(ignition signal)
Idling
Pulse generation
(See waveform 2)
C98-2 (IGT2) - C98-5 (E1)
R-L - BR
Ignition coil assembly
(ignition signal)
Idling
Pulse generation
(See waveform 2)
C98-3 (IGT3) - C98-5 (E1)
G-B - BR
Ignition coil assembly
(ignition signal)
Idling
Pulse generation
(See waveform 2)
C98-4 (IGT4) - C98-5 (E1)
G - BR
Ignition coil assembly
(ignition signal)
Idling
Pulse generation
(See waveform 2)
C98-10 (IGF1) - C98-5 (E1)
G-R - BR
Ignition coil assembly
(ignition confirmation signal)
Ignition switch ON
4.5 to 5.0 V
C98-10 (IGF1) - C98-5 (E1)
G-R - BR
Ignition coil assembly
(ignition confirmation signal)
Idling
Pulse generation
(See waveform 2)
C96-11 (G2) - C96-5 (NE-)
R - G
Camshaft position sensor
Idling
Pulse generation
(See waveform 3)
C96-12 (NE+) - C96-5 (NE-)
L - G
Crankshaft position sensor
Idling
Pulse generation
(See waveform 3)
G146-25 (FC) - C98-5 (E1)
LG-B - BR
Fuel pump control
Ignition switch ON
11 to 14 V
G146-25 (FC) - C98-5 (E1)
LG-B - BR
Fuel pump control
Idling
Below 1.5 V
G146-11 (FFR) - C98-5 (E1)
L - BR
Sub tank fuel pump control
Ignition switch ON
11 to 14 V
G145-18 (DSSV) - C98-5 (E1)
G - BR
Sub tank solenoid valve assembly
(for fuel injection volume control)
FFV relay ON
11 to 14 V
G145-1 (SSV) - C98-5 (E1)
Y - BR
Sub tank fuel cut solenoid valve assembly
(for fuel cut control)
FFV relay ON
11 to 14 V
C98-14 (M+) - C98-13 (ME01)
B - W-B
Throttle actuator
Idling with warm engine
Pulse generation
(See waveform 4)
C98-15 (M-) - C98-13 (ME01)
W - W-B
Throttle actuator
Idling with warm engine
Pulse generation
(See waveform 5)
C97-7 (A1A+) - C98-5 (E1)
B - BR
Air fuel ratio sensor
Ignition switch ON
3.3 V*1
C97-1 (A1A-) - C98-5 (E1)
W - BR
Air fuel ratio sensor
Ignition switch ON
3.0 V*1
C97-13 (OX1B) - C96-16 (E2)
B - BR
Heated oxygen sensor
Engine speed maintained at 2500 rpm for 2 minutes after warming up sensor
Pulse generation
(See waveform 6)
C97-6 (HA1A) - C97-23 (E04)
Y - W-B
Air fuel ratio sensor
Idling
Pulse generation
(See waveform 7)
C97-6 (HA1A) - C97-23 (E04)
Y - W-B
Air fuel ratio sensor
Ignition switch ON
11 to 14 V
C97-18 (HT1B) - C97-14 (EX1B)
L-Y - B-R
Heated oxygen sensor heater
Idling
Below 3.0 V
C97-18 (HT1B) - C97-14 (EX1B)
L-Y - B-R
Heated oxygen sensor heater
Ignition switch ON
11 to 14 V
C95-6 (KNK1) - C95-5 (EKNK)
B - W
Knock sensor
Maintain Engine speed maintained at 4000 rpm after warming up engine
Pulse generation
(See waveform 8)
C96-14 (OC1+) - C96-9 (OC1-)
P-L - Y
Camshaft timing oil control valve assembly
Idling
Pulse generation
(See waveform 9)
C97-19 (PRG) - C98-5 (E1)
L - BR
Purge VSV
Ignition switch ON
11 to 14 V
C97-19 (PRG) - C98-5 (E1)
L - BR
Purge VSV
Idling
Pulse generation
(See waveform 10)
G146-8 (STA) - C98-5 (E1)
L-Y - BR
B-Y - BR*2
Starter signal
Shift lever in N (for A/T) or neutral (M/T), ignition switch START
5.5 V or higher
G146-18 (STP) - C98-5 (E1)
G-W - BR
Stop light switch
Brake pedal depressed
7.5 to 14 V
G146-18 (STP) - C98-5 (E1)
G-W - BR
Stop light switch
Brake pedal released
Below 1.5 V
G145-8 (ST1-) - C98-5 (E1)
R-L - BR
Stop light switch
Ignition switch ON, brake pedal depressed
Below 1.5 V
G145-8 (ST1-) - C98-5 (E1)
R-L - BR
Stop light switch
Ignition switch ON, brake pedal released
7.5 to 14 V
G145-13 (W) - C98-5 (E1)
R-B - BR
MIL
Idling
11 to 14 V
G145-13 (W) - C98-5 (E1)
R-B - BR
MIL
Ignition switch ON
Below 3.5 V
C95-19 (ALT) - C98-5 (E1)
G - BR
Generator
Ignition switch ON
11 to 14 V
G145-5 (ELS) - C98-5 (E1)
G - BR
Electric load
Taillight switch on
7.5 to 14 V
G145-5 (ELS) - C98-5 (E1)
G - BR
Electric load
Taillight switch off
Below 1.5 V
G145-10 (ELS3) - C98-5 (E1)
B - BR
Electric load
Rear window defogger switch on
7.5 to 14 V
G145-10 (ELS3) - C98-5 (E1)
B - BR
Electric load
Rear window defogger switch off
Below 1.5 V
G146-29 (TACH) - C98-5 (E1)
B-W - BR
Engine speed
Idling
Pulse generation
(See waveform 11)
G146-16 (SPD) - C98-5 (E1)
V-R - BR
Speed signal from combination meter
Driving at 20 km/h (12 mph)
Pulse generation
(See waveform 12)
G146-13 (TC) - C98-5 (E1)
P-B - BR
Terminal TC of DLC3
Ignition switch ON
11 to 14 V
G145-3 (PSW) - C98-5 (E1)
G-Y - BR
Power steering oil pressure switch
Steering wheel turning
Below 1.5 V
G146-24 (NSW) - C98-5 (E1)*2
L-Y - BR
Park/Neutral switch signal
Ignition switch ON and shift lever in P or N
Below 1 V
G146-24 (NSW) - C98-5 (E1)*2
L-Y - BR
Park/Neutral switch signal
Ignition switch ON and shift lever not in P or N
11 to 14 V
G146-34 (CANH) - C98-5 (E1)
B - BR
Signal for communication with other components
Ignition switch ON
Pulse generation
(See waveform 13)
G146-33 (CANL) - C98-5 (E1)
W - BR
Signal for communication with other components
Ignition switch ON
Pulse generation
(See waveform 14)
G145-6 (AIRV) - C98-5 (E1)
V - BR
Air switching valve for secondary air injection system
Ignition switch ON
11 to 14 V
G145-19 (AIRP) - C98-5 (E1)
W-L - BR
Air pump control
Ignition switch ON
11 to 14 V
G146-30 (AIDI) - C98-5 (E1)
G-W - BR
Diagnostic information signal for air injection system
Air injection system operating
Pulse generation
(See waveform 15)
C98-11 (E01) - Body ground
W-B
Ground
Always
Below 1 Ω
C98-12 (E02) - Body ground
W-B
Ground
Always
Below 1 Ω
C97-12 (E03) - Body ground
W-B
Ground
Always
Below 1 Ω
C97-23 (E04) - Body ground
W-B
Ground
Always
Below 1 Ω
C98-5 (E1) - Body ground
BR
Ground
Always
Below 1 Ω
C96-16 (E2) - Body ground
BR
Ground
Always
Below 1 Ω
G145-11 (EC) - Body ground
R
Ground
Always
Below 1 Ω
C98-13 (ME01) - Body ground
W-B
Ground
Always
Below 1 Ω
C97-24 (GE01) - Body ground
BR
Ground
Always
Below 1 Ω
*1: The ECM terminal voltage is constant regardless of the output voltage from the sensor.
*2: for Automatic Transmission

WAVEFORM 1
Fuel injector
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between #10 (to 40) and E01
Tester Range
20 V/DIV., 20 msec./DIV.
Condition
Idling
HINT:
The wavelength becomes shorter as the engine speed increases.

WAVEFORM 2
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm

  1. Igniter IGT signal (from ECM to igniter)

  2. Igniter IGF signal (from igniter to ECM)

    ECM Terminal Name
    		(a) Between IGT (1 to 4) and E1
    (b) Between IGF1 and E1
    Tester Range
    		2 V/DIV., 20 msec./DIV.
    Condition
    		Idling
    HINT:
    The wavelength becomes shorter as the engine speed increases.

WAVEFORM 3
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm

  1. Camshaft position sensor

  2. Crankshaft position sensor

    ECM Terminal Name
    		(a) Between G2 and NE-
    (b) Between NE+ and NE-
    Tester Range
    		5 V/DIV., 20 msec./DIV.
    Condition
    		Idling
    HINT:
    The wavelength becomes shorter as the engine speed increases.

WAVEFORM 4
Throttle actuator positive terminal
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between M+ and ME01
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling with warm engine
HINT:
The duty ratio varies depending on the throttle actuator operation.

WAVEFORM 5
Throttle actuator negative terminal
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between M- and ME01
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling with warm engine
HINT:
The duty ratio varies depending on the throttle actuator operation.

WAVEFORM 6
Heated oxygen sensor
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between OX1B and E2
Tester Range
0.2 V/DIV., 200 msec./DIV.
Condition
Engine speed maintained at 2500 rpm for 2 minutes after warming up engine
HINT:
In the DATA LIST, item O2S B1S2 shows the ECM input values from the heated oxygen sensor.

WAVEFORM 7
Air fuel ratio sensor heater
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between HA1A and E04
Tester Range
5 V/DIV., 10 msec./DIV.
Condition
Idling with warm engine
HINT:
The wavelength varies in accordance with the engine operating condition.

WAVEFORM 8
Knock sensor
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between KNK1 and EKNK
Tester Range
1 V/DIV., 1 msec./DIV.
Condition
Engine speed maintained at 4000 rpm after warming up engine
HINT:
  1. The wavelength becomes shorter as the engine speed increases.
  2. The waveforms and amplitudes displayed differ slightly depending on the vehicle.

WAVEFORM 9
Camshaft timing oil control valve
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between OC1+ and OC1-
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling

WAVEFORM 10
Purge VSV
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between PRG and E01
Tester Range
10 V/DIV., 20 msec./DIV.
Condition
Idling
HINT:
If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.

WAVEFORM 11
Engine speed signal
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between TACH and E1
Tester Range
5 V/DIV., 10 msec./DIV.
Condition
Idling
HINT:
The wavelength becomes shorter as the engine speed increases.

WAVEFORM 12
Vehicle speed signal
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between SPD and E1
Tester Range
5 V/DIV., 20 msec./DIV.
Condition
Driving at 20 km/h (12 mph)
HINT:
The wavelength becomes shorter as the vehicle speed increases.

WAVEFORM 13
CAN communication signal (reference)
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between CANH and E1
Tester Range
1 V/DIV., 10 μs/DIV.
Condition
Ignition switch ON

WAVEFORM 14
CAN communication signal (reference)
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between CANL and E1
Tester Range
1 V/DIV., 10 μs/DIV.
Condition
Ignition switch ON

WAVEFORM 15
Terminal DI of air injection control driver
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fbe Engine Control.Sfi System.Sfi System Terminals Of Ecm
ECM Terminal Name
Between AIDI and E1
Tester Range
5 V/DIV., 20 msec./DIV.
Condition
Performing Active Test using intelligent tester (air injection system)
HINT:
The wavelength changes when the air injection control driver detects malfunctions in the air injection system.