СИСТЕМА SFI > КОНТАКТЫ ECM

для подготовки Нажмите здесь



A103802E25

УКАЗАНИЕ:
The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard normal 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. (Symbols)
Wiring Color
Terminal Description
Condition
Specified Condition
A14-7 (BATT) - E3-1 (E1)
B - W-B
Battery (for measuring battery voltage and for ECM memory)
Always
11 to 14 V
E1-1 (+BM) - E3-1 (E1)
L - W-B
Power source of throttle actuator
Always
11 to 14 V
A14-8 (IGSW) - E3-1 (E1)
R - W-B
Engine switch
Engine switch on (IG)
11 to 14 V
A13-2 (+B) - E3-1 (E1)
B-W - W-B
Power source of ECM
Engine switch on (IG)
11 to 14 V
A13-1 (+B1) - E3-1 (E1)
B-W - W-B
Power source of ECM
Engine switch on (IG)
11 to 14 V
E2-4 (OE1+) - E2-3 (OE1-)
R - L-W
Camshaft timing oil control valve (OCV) (exhaust side [bank 1])
Idling
Pulse generation
(see waveform 1)
E4-18 (OE2+) - E4-28 (OE2-)
B-W - Y-B
Camshaft timing oil control valve (OCV) (exhaust side [bank 2])
Idling
Pulse generation
(see waveform 1)
A14-3 (MREL) - E3-1 (E1)
P - W-B
EFI MAIN1, EFI MAIN2 relay
Engine switch on (IG)
11 to 14 V
E1-18 (VC) - E1-28 (E2)
L - BR
Power source for sensor (specific voltage)
Engine switch on (IG)
4.5 to 5.0 V
E1-25 (VG) - E1-24 (E2G)
B-R - B-W
Mass air flow meter (bank 1)
Idling, Shift position in P or N, A/C switch OFF
0.5 to 3.0 V
E1-23 (VG2) - E1-32 (E2G2)
B-R - B-W
Mass air flow meter (bank 2)
Idling, Shift lever position P or N, A/C switch OFF
0.5 to 3.0 V
E1-22 (THA) - E1-28 (E2)
B-L - BR
Intake air temperature sensor (bank 1)
Idling, Intake air temperature (bank 1) 0 to 80°C (32 to 176°F)
0.5 to 3.4 V
E1-21 (THA2) - E1-28 (E2)
B-L - BR
Intake air temperature sensor (bank 2)
Idling, Intake air temperature (bank 2) 0 to 80°C (32 to 176°F)
0.5 to 3.4 V
E1-19 (THW) - E1-28 (E2)
R-L - BR
Engine coolant temperature sensor
Idling, Engine coolant temperature 60 to 80°C (140 to 176°F)
0.2 to 1.0 V
E2-34 (VCTA) - E2-35 (ETA)
R - W
Power source for throttle position sensor
(specific voltage)
Engine switch on (IG)
4.5 to 5.0 V
E2-26 (VTA) - E2-35 (ETA)
G - W
Throttle position sensor (for engine control)
Engine switch on (IG), Throttle valve fully closed
0.5 to 1.2 V
Engine switch on (IG), Throttle valve fully open
3.2 to 4.8 V
E2-27 (VTA2) - E2-35 (ETA)
Y - W
Throttle position sensor (for sensor malfunction detection)
Engine switch on (IG),
Accelerator pedal released
2.1 to 3.1 V
Engine switch on (IG), Accelerator pedal released
4.5 to 5.0 V
A14-29 (VPA) - A14-20 (EPA)
R - BR
Accelerator pedal position sensor (for engine control)
Engine switch on (IG), Accelerator pedal released
0.5 to 1.1 V
Engine switch on (IG), Accelerator pedal depressed
2.6 to 4.5 V
A14-28 (VPA2) - A14-21 (EPA2)
R - BR
Accelerator pedal position sensor (for sensor malfunctioning detection)
Engine switch on (IG), Accelerator pedal released
1.2 to 2.0 V
Engine switch on (IG), Accelerator pedal depressed
3.4 to 5.0 V
A14-23 (VCPA) - A14-20 (EPA)
L - BR
Power source of accelerator pedal position sensor (for VPA)
Engine switch on (IG)
4.5 to 5.0 V
A14-22 (VCP2) - A14-21 (EPA2)
O - BR
Power source of accelerator pedal position sensor (for VPA2)
Engine switch on (IG)
4.5 to 5.0 V
E3-3 (HT1A) - A13-5 (E03)
E3-2 (HT2A) - A13-5 (E03)
R - W-B
R - W-B
Front oxygen sensor heater
Engine switch on (IG)
11 to 14 V
Idling
Pulse generation
(see waveform 2)
E3-28 (OX1A) - E1-28 (E2)
B - BR
Front oxygen sensor
Engine switch on (IG)
0.1 to 0.9 V
E3-27 (OX2A) - E1-28 (E2)
B - BR
Front oxygen sensor
Engine switch on (IG)
0.1 to 0.9 V
A13-4 (HT1B) - A13-5 (E03)
A13-3 (HT2B) - A13-5 (E03)
B - W-B
GR - W-B
Rear heated oxygen sensor heater
Engine switch on (IG)
11 to 14 V
Idling
Below 3.0 V
A13-26 (OX1B) - E1-28 (E2)
A13-27 (OX2B) - E1-28 (E2)
G - BR
W - BR
Rear heated oxygen sensor
Maintain engine speed at 2500 rpm for 2 minutes after warming up sensor
Pulse generation
(see waveform 3)
E4-17 (#10) - E3-1 (E1)
E2-11 (#20) - E3-1 (E1)
E4-16 (#30) - E3-1 (E1)
E2-10 (#40) - E3-1 (E1)
E4-15 (#50) - E3-1 (E1)
E2-9 (#60) - E3-1 (E1)
E4-14 (#70) - E3-1 (E1)
E2-8 (#80) - E3-1 (E1)
G - W-B
B - W-B
GR - W-B
W - W-B
L - W-B
Y - W-B
V - W-B
R - W-B
Injector for port injection
Engine switch on (IG)
11 to 14 V
Idling
Pulse generation
(see waveform 4)
E3-26 (KNK1) - E3-33 (EKNK)
W - B
Knock sensor (bank 2 sensor 1)
Maintain engine speed at 4000 rpm after warming up
Pulse generation
(see waveform 5)
E3-25 (KNK2) - E3-32 (EKN2)
G - R
Knock sensor (bank 1 sensor 1)
Maintain engine speed at 4000 rpm after warming up
Pulse generation
(see waveform 5)
E3-24 (KNK3) - E3-31 (ENK3)
W - B
Knock sensor (bank 2 sensor 2)
Maintain engine speed at 4000 rpm after warming up
Pulse generation
(see waveform 5)
E3-23 (KNK4) - E3-30 (ENK4)
G - R
Knock sensor (bank 1 sensor 2)
Maintain engine speed at 4000 rpm after warming up
Pulse generation
(see waveform 5)
E2-25 (VV1+) - E2-33 (VV1-)
Y - R
Variable valve timing (VVT) sensor (intake side [bank 1])
Idling
Pulse generation
(see waveform 6)
E4-19 (VV2+) - E4-29 (VV2-)
R - W
Variable valve timing (VVT) sensor (intake side [bank 2])
Idling
Pulse generation
(see waveform 6)
E1-26 (EV1+) - E1-33 (EV1-)
Y - L-Y
Variable valve timing (VVT) sensor (exhaust side [bank 1])
Idling
Pulse generation
(see waveform 7)
E3-22 (EV2+) - E3-29 (EV2-)
B - BR
Variable valve timing (VVT) sensor (exhaust side [bank 2])
Idling
Pulse generation
(see waveform 7)
E2-24 (G2+) - E2-32 (G2-)
Y - R
Camshaft position sensor
Idling
Pulse generation
(see waveform 8)
E1-27 (NE+) - E1-34 (NE-)
W - P
Crankshaft position sensor
Idling
Pulse generation
(see waveform 8)
E4-27 (IGT1) - E3-1 (E1)
E2-23 (IGT2) - E3-1 (E1)
E4-26 (IGT3) - E3-1 (E1)
E2-22 (IGT4) - E3-1 (E1)
E4-25 (IGT5) - E3-1 (E1)
E2-21 (IGT6) - E3-1 (E1)
E4-24 (IGT7) - E3-1 (E1)
E2-20 (IGT8) - E3-1 (E1)
G-B - W-B
L-W - W-B
L-Y - W-B
LG - W-B
R - W-B
R-L - W-B
P-L - W-B
B-W - W-B
Ignition coil (ignition signal)
Idling
Pulse generation
(see waveform 9)
E4-32 (IGF1) - E3-1 (E1)
E2-28 (IGF2) - E3-1 (E1)
LG - W-B
G-B - W-B
Ignition coil (ignition confirmation signal)
Engine switch on (IG)
4.5 to 5.0 V
Idling
Pulse generation
(see waveform 9)
E1-17 (PRG) - E3-1 (E1)
W-B - W-B
Purge VSV
Engine switch on (IG)
11 to 14 V
Idling
Pulse generation
(see waveform 10)
A14-24 (SPD) - E3-1 (E1)
V - W-B
Speed signal from combination meter
Engine switch on (IG), Rotate driving wheel slowly
Pulse generation
(see waveform 11)
A13-20 (STA) - E3-1 (E1)
Y - W-B
ST relay operation signal
Cranking
11 to 14 V
A14-2 (STAR) - E3-1 (E1)
BR - W-B
ST relay drive signal
Engine switch on (IG), Shift position other than P or N
11 to 14 V
Cranking, Shift position in P or N
0 to 3.0 V
A14-27 (STSW) - E3-1 (E1)
B - W-B
Engine cranking required signal
Cranking, Shift position in P or N
6.0 V or more
A14-13 (STP) - E3-1 (E1)
L - W-B
Stop light switch
Brake pedal depressed
7.5 to 14 V
Brake pedal released
Below 1.5 V
A14-12 (ST1-) - E3-1 (E1)
V - W-B
Stop light switch
(opposite to STP terminal)
Engine switch on (IG), Brake pedal depressed
Below 1.5 V
Engine switch on (IG), Brake pedal released
7.5 to 14 V
E2-7 (M+) - E2-5 (ME01)
W - W-B
Throttle actuator
Idling with warm engine
Pulse generation
(see waveform 12)
E2-6 (M-) - E2-5 (ME01)
B - W-B
Throttle actuator
Idling with warm engine
Pulse generation
(see waveform 13)
A14-5 (FC) - E3-1 (E1)
G - W-B
C/OPN relay
Engine switch on (IG)
11 to 14 V
Idling
0 to 3.0 V
A14-6 (FPR) - E3-1 (E1)
Y - W-B
F/PMP relay
Engine switch on (IG)
11 to 14 V
A14-11 (W) - E3-1 (E1)
Y - W-B
MIL
Engine switch on (IG)
Below 3.0 V
Idling
0 to 14 V
A13-21 (TC) - E3-1 (E1)
P - W-B
Terminal TC of DLC3
Engine switch on (IG)
11 to 14 V
A14-15 (TACH) - E3-1 (E1)
R - W-B
Engine speed
Idling
Pulse generation
(see waveform 14)
A13-14 (CANH) - E3-1 (E1)
R - W-B
CAN communication line
Engine switch on (IG)
Pulse generation
(see waveform 15)
A13-13 (CANL) - E3-1 (E1)
G - W-B
CAN communication line
Engine switch on (IG)
Pulse generation
(see waveform 16)
E2-18 (ALT) - E3-1 (E1)
L-R - W-B
Generator M terminal
Engine switch on (IG)
11 to 14 V
E2-17 (RLO) - E3-1 (E1)
G - W-B
Recharging control
Idling
Pulse generation
(see waveform 17)
E4-7 (ASM+) - E4-6 (ASM-)
L - P
Intake air control valve actuator
Warm engine and 3,000 rpm
Pulse generation
(see waveform 18)
A13-7 (SFTD) - E3-1 (E1)
L - W-B
Down-shift position switch signal
Engine switch on (IG) and shift lever on S
11 to 14 V
Engine switch on (IG) and shift lever "-" position (down-shift)
Below 1 V
A13-8 (SFTU) - E3-1 (E1)
Y - W-B
Up-shift position switch signal
Engine switch on (IG) and shift lever on S
11 to 14 V
Engine switch on (IG) and shift lever "+" position (up-shift)
Below 1 V
A13-16 (S) - E3-1 (E1)
G - W-B
S shift position switch signal
Engine switch on (IG) and shift lever on S
11 to 14 V
Engine switch on (IG) and shift lever not on S
Below 1 V
A13-9 (CAN-) - E3-1 (E1)
W - W-B
Communication signal with TCM
Engine switch on (IG)
Pulse generation
A13-10 (CAN+) - E3-1 (E1)
B - W-B
Communication signal with TCM
Engine switch on (IG)
Pulse generation
A13-19 (ACCR) - E3-1 (E1)
G - W-B
D-ACC relay cut signal
Engine switch on (IG) → Cranking
11 to 14 V → Below 1 V
A13-29 (NSW) - E3-1 (E1)
L - W-B
Park/Neutral position switch
Engine switch on (IG), shift position in P or N
Below 3.0 V
Engine switch on (IG), Shift position except P or N
11 to 14 V
E3-11 (R) - E3-1 (E1)
G - W-B
Park/Neutral position switch signal
Engine switch on (IG) and Shift lever on R
11 to 14 V
Engine switch on (IG) and Shift lever not on R
Below 1 V
E3-12 (P) - E3-1 (E1)
W - W-B
Park/Neutral position switch signal
Engine switch on (IG) and Shift lever on P
11 to 14 V
Engine switch on (IG) and Shift lever not on P
Below 1 V
E3-13 (N) - E3-1 (E1)
G-R - W-B
Park/Neutral position switch signal
Engine switch on (IG) and Shift lever on N
11 to 14 V
Engine switch on (IG) and Shift lever not on N
Below 1 V
E3-14 (D) - E3-1 (E3-1)
G-Y - W-B
Park/Neutral position switch signal
Engine switch on (IG) and Shift lever on D
11 to 14 V
Engine switch on (IG) and Shift lever not on D
Below 1 V
E4-9 (EMD1) - E3-1 (E1)
W - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 19)
E2-31 (EMD2) - E3-1 (E1)
W-R - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 19)
E4-30 (EMR1) - E3-1 (E1)
Y - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 20)
E2-29 (EMR2) - E3-1 (E1)
Y-B - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 20)
E4-8 (EDT1) - E3-1 (E1)
R - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 21)
E2-16 (EDT2) - E3-1 (E1)
G-R - W-B
Camshaft timing control motor signal
Idling
Pulse generation
(see waveform 21)
E4-31 (EMF1) - E3-1 (E1)
G - W-B
Camshaft timing control motor signal
Idling
0.3 to 1.3 V
E2-30 (EMF2) - E3-1 (E1)
G-W - W-B
Camshaft timing control motor signal
Idling
0.3 to 1.3 V

УКАЗАНИЕ:
*: The ECM terminal voltage is constant regardless of the output voltage from the sensor.


WAVEFORM 1
A093229E15
Camshaft timing oil control valve (OCV) (Exhaust side): 
ECM Terminal Name
Between OE1+ and OE1- or OE2+ and OE2-
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling with warm engine

WAVEFORM 2
A151305E01
Front oxygen sensor heater: 
ECM Terminal Name
CH1: Between HT1A and E1
CH2: Between HT2A and E1
Tester Range
5 V/DIV., 10 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 3
A088863E17
Heated oxygen sensor: 
ECM Terminal Name
Between OX1B and E2 or OX2B and E2
Tester Range
0.2 V/DIV., 200 msec./DIV.
Condition
Engine speed maintained at 2500 rpm for 2 minutes after warming up

УКАЗАНИЕ:
In DATA LIST, item O2S B1 S2 shows the ECM input values from the heated oxygen sensor.


WAVEFORM 4
A153573E01
Injector No. 1 (to No. 8) injection signal: 
ECM Terminal Name
Between #10 (to #80) and E1
Tester Range
5 V/DIV., 5 msec./DIV.
Condition
Idling

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 5
A085286E38
Knock sensor: 
ECM Terminal Name
Between KNK1 and EKNK
Between KNK2 and EKN2
Between KNK3 and ENK3
Between KNK4 and ENK4
Tester Range
0.01 to 10 V/DIV., 0.01 to 10 msec./DIV.
Condition
Engine speed maintained at 4000 rpm after warming up engine

УКАЗАНИЕ:
  1. The wavelength becomes shorter as the engine rpm increases.
  2. The waveforms and amplitudes displayed differ slightly depending on the vehicle.


WAVEFORM 6
A149748E01
Crankshaft position sensor and VVT sensor for intake side: 
ECM Terminal Name
(a) Between NE+ and NE-
(b) Between VV1+ and VV1-
(c) Between VV2+ and VV2-
Tester Range
5 V/DIV., 20 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 7
A149747E01
Crankshaft position sensor and VVT sensor for exhaust side: 
ECM Terminal Name
(a) Between NE+ and NE-
(b) Between EV1+ and EV1-
(c) Between EV2+ and EV2-
Tester Range
5 V/DIV., 20 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 8
A149739E01
Crankshaft position sensor and camshaft position sensor: 
ECM Terminal Name
CH1: Between NE+ and NE-
CH2: Between G2+ and G2-
Tester Range
5 V/DIV., 20 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 9
A149743E01
Igniter IGT signal (from ECM to igniter) and Igniter IGF signal (from igniter to ECM): 
ECM Terminal Name
CH1: Between IGT (1 to 8) and E1
CH2: Between IGF1 and E1 or IGF2 and E1
Tester Range
2 V/DIV., 20 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 10
A149742E01
Purge VSV: 
ECM Terminal Name
Between PRG and E1
Tester Range
10 V/DIV., 20 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.


WAVEFORM 11
A093224E04
Vehicle speed signal: 
ECM Terminal Name
Between SPD and E1
Tester Range
2 V/DIV., 20 msec./DIV.
Condition
Driving at 12 mph (20 km/h)

УКАЗАНИЕ:
The wavelength becomes shorter as the vehicle speed increases.


WAVEFORM 12
A093275E17
Throttle actuator positive terminal: 
ECM Terminal Name
Between M+ and ME01
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The duty ratio varies depending on the throttle actuator operation.


WAVEFORM 13
A093274E18
Throttle actuator negative terminal: 
ECM Terminal Name
Between M- and ME01
Tester Range
5 V/DIV., 1 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The duty ratio varies depending on the throttle actuator operation.


WAVEFORM 14
A093225E15
Engine speed signal: 
ECM Terminal Name
Between TACH and E1
Tester Range
5 V/DIV., 10 msec./DIV.
Condition
Idling

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 15
A086154E01
CAN communication signal: 
ECM Terminal Name
Between CANH and E1
Tester Range
1 V/DIV., 10 μsec./DIV.
Condition
Stop engine and Engine switch on (IG)

УКАЗАНИЕ:
The waveform varies depending on the CAN communication signal.


WAVEFORM 16
A086155E01
CAN communication signal: 
ECM Terminal Name
Between CANL and E1
Tester Range
1 V/DIV., 10 μsec./DIV.
Condition
Stop engine and Engine switch on (IG)

УКАЗАНИЕ:
The waveform varies depending on the CAN communication signal.


WAVEFORM 17
A153574E01
Recharging control signal 
ECM Terminal Name
Between RLO and E1
Tester Range
2 V/DIV., 50 msec./DIV.
Condition
Idling

WAVEFORM 18
A149744E01
Intake air control valve signal 
ECM Terminal Name
Between ASM+ and ASM-
Tester Range
5 V/DIV., 5 msec./DIV.
Condition
Warm engine and 3,000 rpm

WAVEFORM 19
A150215E01
Camshaft timing control motor EMD signal: 
ECM Terminal Name
Between EMD1 and E1 or EMD2 and E1
Tester Range
2 V/DIV., 100 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 20
A149746E01
Camshaft timing control motor EMR signal: 
ECM Terminal Name
Between EMR1 and E1 or EMR2 and E1
Tester Range
2 V/DIV., 5 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.


WAVEFORM 21
A149745E01
Camshaft timing control motor EDT signal: 
ECM Terminal Name
Between EDT1 and E1 or EDT2 and E1
Tester Range
1 V/DIV., 5 msec./DIV.
Condition
Idling with warm engine

УКАЗАНИЕ:
The wavelength becomes shorter as the engine rpm increases.