RM3660EC _51 Engine / Hybrid System _080778 8ZR-FXE ENGINE CONTROL _0393982 SFI SYSTEM U

8ZR-FXE ENGINE CONTROL  SFI SYSTEM  TERMINALS OF ECM  


A440743
2.344,0.375 2.792,0.677 0.448,0.302 5.771,0.417 6.219,0.719 0.448,0.302 2.427,0.448 2.885,0.646 0.458,0.198 10 false C77 5.854,0.479 6.313,0.677 0.458,0.198 10 false A46

HINT:

The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals is also indicated. The result of checks should be compared with the standard voltage, resistance and waveform for each pair of the terminals as 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
A46-1 (BATT) - A46-17 (E1) G - W-B Auxiliary battery (for measuring auxiliary battery voltage and for ECM memory) Power switch off 11 to 16 V
A46-2 (+B) - A46-17 (E1) R*1 - W-B
L*2 - W-B 		Power source of ECM Engine stopped, power switch on (IG) 11 to 14 V
A46-3 (+B2) - A46-17 (E1) R*1 - W-B
L*2 - W-B 		Power source of ECM Engine stopped, power switch on (IG) 11 to 14 V
A46-6 (MPMP) - A46-17 (E1) LG - W-B Leak detection pump (canister pump module) signal Leak detection pump off Below 3.0 V
Leak detection pump on 11 to 14 V
A46-7 (CCA+) - A46-17 (E1) V - W-B Fuel vapor containment valve signal Power switch on (IG) Pulse generation
(See waveform 1)
A46-8 (CCA-) - A46-17 (E1) L - W-B Fuel vapor containment valve signal Power switch on (IG) Pulse generation
(See waveform 1)
A46-9 (CFDH) - A46-17 (E1) R - W-B CAN communication line Engine stopped, power switch on (IG) Pulse generation
(See waveform 2)
A46-10 (CFDL) - A46-17 (E1) W - W-B CAN communication line Engine stopped, power switch on (IG) Pulse generation
(See waveform 3)
A46-11 (CFDT) - A46-17 (E1) B*1 - W-B
GR*2 - W-B 		CAN communication line Engine stopped, power switch on (IG) Pulse generation
(See waveform 2)
A46-12 (CFDB) - A46-17 (E1) W - W-B CAN communication line Engine stopped, power switch on (IG) Pulse generation
(See waveform 3)
A46-15 (E01) - Body ground W-B - - Ground Always Below 1 Ω
A46-17 (E1) - Body ground W-B - - Ground Always Below 1 Ω
A46-19 (VPMP) - A46-17 (E1) B - W-B Vent valve (canister pump module) signal Power switch on (IG) 11 to 14 V
A46-20 (CCB+) - A46-17 (E1) W - W-B Fuel vapor containment valve signal Power switch on (IG) Pulse generation
(See waveform 1)
A46-21 (CCB-) - A46-17 (E1) G - W-B Fuel vapor containment valve signal Power switch on (IG) Pulse generation
A46-22 (NEO) - A46-17 (E1) L - W-B Crankshaft revolution signal Idling with warm engine Pulse generation
(See waveform 4)
A46-23 (G2O) - A46-17 (E1) W*1 - W-B
Y*2 - W-B 		Camshaft revolution signal Idling with warm engine Pulse generation
(See waveform 5)
A46-27 (MREL) - A46-17 (E1) G - W-B EFI-MAIN relay operation signal Engine stopped, power switch on (IG) Below 1.5 V
A46-28 (FREL) - A46-17 (E1) LG - W-B Fuel lid lock with motor assembly operation signal Engine stopped, power switch on (IG) 11 to 14 V
Idling Below 1.5 V
A46-29 (FC) - A46-17 (E1) SB - W-B Fuel pump control Engine stopped, power switch on (IG) 11 to 14 V
Idling Below 1.5 V
A46-30 (LSTM) - A46-17 (E1) Y - W-B Fuel lid operation signal for combination meter assembly Multi-information display displaying "Please Wait Now Opening" Pulse generation
(see waveform 6)
Multi-information display displaying "Close Fuel Lid" Pulse generation
(see waveform 7)
Multi-information display displaying "Refuel Ready" Pulse generation
(see waveform 8)
Power switch on (IG) 11 to 14 V
A46-32 (EC) - Body ground W-B - - Ground Always Below 1 Ω
A46-38 (PTNK) - A46-53 (EPTK) B - R Fuel tank pressure sensor signal Engine stopped, power switch on (IG) 0.27 to 4.73 V
A46-39 (IGR) - A46-17 (E1) V*1 - W-B
R*2 - W-B 		Ignition signal Power switch on (IG) 11 to 14 V
A46-40 (PPMP) - A46-55 (EPPM) GR - W Canister pressure sensor (canister pump module) signal Power switch on (IG) 3.0 to 3.6 V
A46-41 (IGP) - A46-17 (E1) BE - W-B Ignition switch signal Power switch on (IG) 11 to 14 V
A46-42 (FANL) - A46-17 (E1) L*1 - W-B
GR*2 - W-B 		Cooling fan motor operation signal (low) Power switch on (IG) 11 to 14 V
Idling, high engine coolant temperature Below 1.5 V
A46-43 (FANH) - A46-17 (E1) LG - W-B Cooling fan motor operation signal (high) Power switch on (IG) 11 to 14 V
Idling, high engine coolant temperature Below 1.5 V
A46-54 (VPTK) - A46-53 (EPTK) L - R Power source of fuel tank pressure sensor (specific voltage) Engine stopped, power switch on (IG) 4.75 to 5.25 V
A46-56 (VCPP) - A46-55 (EPPM) P - W Power source for canister pressure sensor (specific voltage) Power switch on (IG) 4.5 to 5.5 V
A46-59 (LIDO) - A46-17 (E1) GR - W-B Fuel lid courtesy switch signal Fuel lid closed Below 1.0 V
Fuel lid open 11 to 14 V
A46-60 (FUEL) - A46-17 (E1) P - W-B Fuel lid opener switch signal Fuel lid opener switch pressed Below 1.0 V
Fuel lid opener switch not pressed 4.5 to 5.5 V
C155-28 (HA1A) - A46-17 (E1) R*1 - W-B
Y*2 - W-B 		Air fuel ratio sensor heater operation signal Engine stopped, power switch on (IG) 11 to 14 V
Idling with cold engine Pulse generation
(See waveform 9)
C155-29 (M+) - A46-17 (E1) V*1 - W-B
G*2 - W-B 		Throttle actuator operation signal (positive terminal) Idling with warm engine Pulse generation
(See waveform 10)
C155-30 (M-) - A46-17 (E1) P*1 - W-B
R*2 - W-B 		Throttle actuator operation signal (negative terminal) Idling with warm engine Pulse generation
(See waveform 11)
C155-33 (PRG) - A46-17 (E1) V - W-B Purge VSV operation signal Engine stopped, power switch on (IG) 11 to 14 V
Idling with warm engine, under purge control Pulse generation
(See waveform 12)
C155-34 (#10) - A46-15 (E01) BE*1 - W-B
B*2 - W-B 		No. 1 fuel injector assembly signal Idling with warm engine Pulse generation
(See waveform 13)
C155-35 (#20) - A46-15 (E01) LG*1 - W-B
GR*2 - W-B 		No. 2 fuel injector assembly signal Idling with warm engine Pulse generation
(See waveform 13)
C155-36 (#30) - A46-15 (E01) L - W-B No. 3 fuel injector assembly signal Idling with warm engine Pulse generation
(See waveform 13)
C155-37 (#40) - A46-15 (E01) R*1 - W-B
W*2 - W-B 		No. 4 fuel injector assembly signal Idling with warm engine Pulse generation
(See waveform 13)
C155-41 (OC1+) - C155-40 (OC1-) L - G Camshaft timing oil control valve assembly operation signal Idling Pulse generation
(See waveform 14)
C155-42 (EGR4) - A46-17 (E1) LG - W-B EGR valve assembly signal EGR valve assembly operating Pulse generation
(See waveform 15)
C155-43 (EGR2) - A46-17 (E1) BE*1 - W-B
V*2 - W-B 		EGR valve assembly signal EGR valve assembly operating Pulse generation
(See waveform 15)
C155-44 (EGR3) - A46-17 (E1) R*1 - W-B
Y*2 - W-B 		EGR valve assembly signal EGR valve assembly operating Pulse generation
(See waveform 15)
C155-45 (EGR1) - A46-17 (E1) P*1 - W-B
R*2 - W-B 		EGR valve assembly signal EGR valve assembly operating Pulse generation
(See waveform 15)
C155-56 (HT1B) - A46-17 (E1) G - W-B Heated oxygen sensor heater operation signal Engine stopped, power switch on (IG) 11 to 14 V
Idling with cold engine Below 3.0 V
C155-70 (WPI) - A46-17 (E1) P*1 - W-B
G*2 - W-B 		Electric water pump assembly signal Idling with warm engine Pulse generation
(See waveform 16)
C155-71 (WPO) - A46-17 (E1) L - W-B Electric water pump assembly signal Idling with warm engine Pulse generation
(See waveform 17)
C155-72 (IGT4) - A46-17 (E1) V*1 - W-B
Y*2 - W-B 		No. 4 ignition coil assembly signal
(ignition signal) 		Idling with warm engine Pulse generation
(See waveform 18)
C155-73 (IGT3) - A46-17 (E1) G - W-B No. 3 ignition coil assembly signal
(ignition signal) 		Idling with warm engine Pulse generation
(See waveform 18)
C155-74 (IGT2) - A46-17 (E1) B*1 - W-B
W*2 - W-B 		No. 2 ignition coil assembly signal
(ignition signal) 		Idling with warm engine Pulse generation
(See waveform 18)
C155-75 (IGT1) - A46-17 (E1) GR - W-B No. 1 ignition coil assembly signal
(ignition signal) 		Idling with warm engine Pulse generation
(See waveform 18)
C155-80 (NE+) - C155-81 (NE-) G - W Crankshaft position sensor signal Idling with warm engine Pulse generation
(See waveform 19)
C155-82 (VCNE) - A46-17 (E1) B - W-B Power source of crankshaft position sensor (specific voltage) Power switch on (IG) 4.5 to 5.5 V
C155-87 (PIM) - C155-88 (EPIM) B - R Manifold absolute pressure sensor signal Engine stopped, power switch on (IG) 3.0 to 4.5 V
C155-89 (VCPM) - C155-88 (EPIM) L - R Power source of manifold absolute pressure sensor Engine stopped, power switch on (IG) 4.75 to 5.25 V
C155-90 (PEX) - C155-121 (EPEX) B - GR Differential pressure sensor Ignition switch ON 0.49 to 4.72 V
C155-92 (KNK1) - C155-91 (EKNK) B - W Knock control sensor signal Engine speed maintained at 2500 rpm after warming up engine Pulse generation
(See waveform 20)
C155-94 (THCO) - C155-93 (ETCO) P - GR No. 2 Exhaust gas temperature sensor Engine warmed up, idling 0.2 to 4.95 V
C155-96 (THCI) - C155-95 (ETCI) W - SB Exhaust gas temperature sensor Engine warmed up, idling 0.2 to 4.95 V
C155-100 (OX1B) - C155-99 (O1B-) R - G Heated oxygen sensor signal Engine speed maintained at 2500 rpm for 2 minutes after warming up engine Pulse generation
(See waveform 21)
C155-101 (VTA2) - C155-133 (ETA) R*1 - G*1
B*2 - B*2 		Throttle position sensor signal (for sensor malfunction detection) Engine stopped, power switch on (IG), accelerator pedal fully released 2.1 to 3.1 V
C155-108 (VCVG) - A46-17 (E1) W*1 - W-B
G*2 - W-B 		Power source of mass air flow meter sub-assembly (specific voltage) Power switch on 4.8 to 5.2 V
C155-110 (VV1+) - C155-113 (VV1-) B*1 - W
SB*2 - W 		Camshaft position sensor signal Idling with warm engine Pulse generation
(See waveform 22)
C155-114 (VCV1) - A46-17 (E1) R - W-B Power source of camshaft position sensor Engine stopped, power switch on (IG) 4.5 to 5.5 V
C155-122 (VCPX) - C155-121 (EPEX) V*1 - GR
L*2 - GR 		Power source of differential pressure sensor (specific voltage) Ignition switch ON 4.5 to 5.5 V
C155-124 (THW) - C155-123 (ETHW) L*1 - BR
B*2 - BR 		Engine coolant temperature sensor signal Idling, engine coolant temperature 75 to 100°C (167 to 212°F) 0.2 to 1.0 V
C155-131 (A1A-) - A46-17 (E1) W - W-B Air fuel ratio sensor signal Engine stopped, power switch on (IG) 2.2 to 2.8 V*3
C155-132 (A1A+) - A46-17 (E1) B - W-B Air fuel ratio sensor signal Engine stopped, power switch on (IG) 2.2 to 3.5 V*3
C155-134 (VCTA) - C155-133 (ETA) R*1 - G*1
G*2 - B*2 		Power source of throttle position sensor (specific voltage) Engine stopped, power switch on (IG) 4.5 to 5.5 V
C155-135 (VTA1) - C155-133 (ETA) BE*1 - G*1
LG*2 - B*2 		Throttle position sensor signal (for engine control) Engine stopped, power switch on (IG), accelerator pedal fully released 0.6 to 1.1 V
C155-139 (THA) - C155-107 (E2G) P*1 - R*1
L*2 - B*2 		Intake air temperature sensor (mass air flow meter sub-assembly) signal Idling, intake air temperature 0 to 80°C (32 to 176°F) 0.5 to 3.4 V
C155-140 (VG) - C155-107 (E2G) B*1 - R*1
V*2 - B*2 		Mass air flow meter subassembly signal Power switch on Pulse generation
(See waveform 23)

*1: for TFTM model

*2: for GTMC model

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

WAVEFORM 1


A405745
0.198,0.313 0.813,0.667 0.615,0.354 10 false CCA+ 0.229,1.365 0.844,1.719 0.615,0.354 10 false CCA- 2.74,0.792 3.354,1.146 0.615,0.354 10 false GND 2.75,1.594 3.365,1.948 0.615,0.354 10 false GND 0.167,0.458 0.781,0.813 0.615,0.354 10 false (CCB+) 0.198,1.51 0.813,1.865 0.615,0.354 10 false (CCB-)

Fuel Vapor-containment Valve Operation Signal
ECM Terminal Name CH1: Between CCA+ and E1
CH2: Between CCA- and E1
CH1: Between CCB+ and E1
CH2: Between CCB- and E1
Tester Range 5 V/DIV., 5 μs./DIV.
Condition Ignition switch ON

HINT:

When the fuel vapor-containment valve is operating, a waveform is produced at each terminal.



WAVEFORM 2


A283576
2.75,0.292 3.354,0.583 0.604,0.292 10 1 V/DIV. 3.01,1.396 3.344,1.708 0.333,0.313 10 GND 1.604,1.896 2.479,2.125 0.875,0.229 10 10 μs./DIV.

CAN Communication Signal (Reference)
ECM Terminal Name Between CFDH and E1
Between CFDT and E1
Tester Range 1 V/DIV., 10 μs./DIV.
Condition Engine stopped, power switch on (IG)

HINT:

The waveform varies depending on the CAN communication signal.



WAVEFORM 3


A283577
2.76,0.271 3.375,0.531 0.615,0.26 10 1 V/DIV. 3.01,1.365 3.375,1.604 0.365,0.24 10 GND 1.625,1.865 2.583,2.052 0.958,0.188 10 10 μs./DIV.

CAN Communication Signal (Reference)
ECM Terminal Name Between CFDL and E1
Between CFDB and E1
Tester Range 1 V/DIV., 10 μs./DIV.
Condition Engine stopped, power switch on (IG)

HINT:

The waveform varies depending on the CAN communication signal.



WAVEFORM 4


A214025
2.987,1.794 3.317,1.950 0.330,0.156 10 GND 1.269,2.584 2.024,2.772 0.756,0.188 10 20 ms./DIV. 2.394,0.238 2.939,0.405 0.545,0.167 10 5 V/DIV.

Crankshaft Revolution Signal from ECM to Inverter with Converter Assembly
ECM Terminal Name Between NEO and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 5


A214025
2.987,1.794 3.317,1.950 0.330,0.156 10 GND 1.269,2.584 2.024,2.772 0.756,0.188 10 20 ms./DIV. 2.394,0.238 2.939,0.405 0.545,0.167 10 5 V/DIV.

Camshaft Revolution Signal from ECM to Inverter with Converter Assembly
ECM Terminal Name Between G2O and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 6


A375176
2.667,0.115 3.25,0.302 0.583,0.188 10 false 5 V/DIV. 2.771,0.948 3.354,1.135 0.583,0.188 10 false GND 1.344,1.927 2.115,2.125 0.771,0.198 10 false 20 ms./DIV.

Fuel Lid Operation Signal for Combination Meter Assembly
ECM Terminal Name Between LSTM and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Multi-information display displaying "Please Wait Now Opening"


WAVEFORM 7


A375177
2.688,0.094 3.24,0.302 0.552,0.208 10 false 5 V/DIV. 2.771,0.938 3.323,1.146 0.552,0.208 10 false GND 1.302,1.896 2.052,2.063 0.75,0.167 10 false 20 ms./DIV.

Fuel Lid Operation Signal for Combination Meter Assembly
ECM Terminal Name Between LSTM and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Multi-information display displaying "Close Fuel Lid"


WAVEFORM 8


A375178
2.667,0.094 3.24,0.292 0.573,0.198 10 false 5 V/DIV. 2.76,0.927 3.333,1.125 0.573,0.198 10 false GND 1.313,1.906 2.104,2.073 0.792,0.167 10 false 20 ms./DIV.

Fuel Lid Operation Signal for Combination Meter Assembly
ECM Terminal Name Between LSTM and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Multi-information display displaying "Refuel Ready"


WAVEFORM 9


A205412
2.594,0.063 3.208,0.375 0.615,0.313 10 5 V/DIV. 2.688,0.896 3.104,1.24 0.417,0.344 10 GND 1.219,1.854 1.979,2.031 0.76,0.177 10 10 ms./DIV.

Air Fuel Ratio Sensor Heater Operation Signal
ECM Terminal Name Between HA1A and E1
Tester Range 5 V/DIV., 10 ms./DIV.
Condition Idling with cold engine


WAVEFORM 10


A208000
2.854,0.99 3.313,1.302 0.458,0.313 10 GND 2.635,0.26 3.313,0.552 0.677,0.292 10 5 V/DIV. 0.521,0.656 0.99,0.948 0.469,0.292 10 M+ 1.396,1.802 2.281,2.021 0.885,0.219 10 1 ms./DIV.

Throttle Actuator Positive Terminal Signal
ECM Terminal Name Between M+ and E1
Tester Range 5 V/DIV., 1 ms./DIV.
Condition Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.



WAVEFORM 11


A245848
2.854,1 3.323,1.354 0.469,0.354 10 GND 2.625,0.313 3.323,0.594 0.698,0.281 10 5 V/DIV. 0.479,0.625 0.844,0.875 0.365,0.25 10 M- 1.417,1.802 2.573,2.052 1.156,0.25 10 1 ms./DIV.

Throttle Actuator Negative Terminal Signal
ECM Terminal Name Between M- and E1
Tester Range 5 V/DIV., 1 ms./DIV.
Condition Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.



WAVEFORM 12


A218020
2.677,0.208 3.344,0.51 0.667,0.302 10 10 V/DIV. 2.802,0.938 3.292,1.26 0.49,0.323 10 GND 1.26,1.771 2.25,2.021 0.99,0.25 10 20 ms./DIV.

Purge VSV Operation Signal
ECM Terminal Name Between PRG and E1
Tester Range 10 V/DIV., 20 ms./DIV.
Condition Idling with warm engine, under purge control

HINT:

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



WAVEFORM 13


A287799
0.656,1.583 1.115,1.781 0.458,0.198 10 false GND 0.396,0.115 1.063,0.344 0.667,0.229 10 false 20 V/DIV. 1.833,1.896 2.646,2.083 0.813,0.188 10 false 20 ms./DIV.

No. 1 (to No. 4) Fuel Injector Assembly Signal
ECM Terminal Name Between #10 (to #40) and E01
Tester Range 20 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 14


A283575
0.604,0.26 1.563,0.573 0.958,0.313 10 5 V/DIV. 0.51,1.125 1.021,1.385 0.51,0.26 10 GND 1.729,1.844 2.583,2.063 0.854,0.219 10 1 ms./DIV.

Camshaft Timing Oil Control Valve Assembly Operation Signal
ECM Terminal Name Between OC1+ and OC1-
Tester Range 5 V/DIV., 1 ms./DIV.
Condition Idling


WAVEFORM 15


A214026
2.849,2.294 3.179,2.450 0.330,0.156 10 GND 2.849,1.922 3.179,2.077 0.330,0.156 10 GND 2.849,1.578 3.179,1.734 0.330,0.156 10 GND 2.849,1.24 3.179,1.396 0.330,0.156 10 GND 0.235,1.039 0.686,1.195 0.451,0.156 10 EGR1 0.235,1.405 0.686,1.560 0.451,0.156 10 EGR2 0.235,1.757 0.686,1.913 0.451,0.156 10 EGR3 0.235,2.113 0.686,2.269 0.451,0.156 10 EGR4 1.248,2.42 1.997,2.577 0.749,0.157 10 50 ms./DIV. 1.979,0.406 2.643,0.581 0.665,0.175 10 20 V/DIV.

EGR Valve Assembly Signal
ECM Terminal Name Between EGR (1 to 4) and E1
Tester Range 20 V/DIV., 50 ms./DIV.
Condition EGR valve assembly operating


WAVEFORM 16


A214025
2.987,1.794 3.317,1.950 0.330,0.156 10 GND 1.269,2.584 2.024,2.772 0.756,0.188 10 20 ms./DIV. 2.394,0.238 2.939,0.405 0.545,0.167 10 5 V/DIV.

Engine Water Pump Assembly Signal (from Engine Water Pump Assembly to ECM)
ECM Terminal Name Between WPI and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine water pump speed increases.



WAVEFORM 17


A214025
2.987,1.794 3.317,1.950 0.330,0.156 10 GND 1.269,2.584 2.024,2.772 0.756,0.188 10 20 ms./DIV. 2.394,0.238 2.939,0.405 0.545,0.167 10 5 V/DIV.

Engine Water Pump Assembly Signal (from ECM to Engine Water Pump Assembly)
ECM Terminal Name Between WPO and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The duty ratio varies depending on the engine water pump assembly speed.



WAVEFORM 18


A247035
3.031,0.604 3.365,0.781 0.333,0.177 10 false GND 3.031,0.938 3.365,1.115 0.333,0.177 10 false GND 3.031,1.271 3.365,1.448 0.333,0.177 10 false GND 3.031,1.594 3.365,1.771 0.333,0.177 10 false GND 0.375,0.604 0.813,0.823 0.438,0.219 10 false IGT1 0.365,0.927 0.802,1.146 0.438,0.219 10 false IGT2 0.365,1.26 0.802,1.479 0.438,0.219 10 false IGT3 0.375,1.583 0.813,1.802 0.438,0.219 10 false IGT4

Ignition Coil Assembly Signal (IGT and IGF Signal)
ECM Terminal Name CH1: Between IGT (1 to 4) and E1
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 19


A200774
2.969,1.177 3.396,1.438 0.427,0.26 10 false GND

Crankshaft Position Sensor Signal
ECM Terminal Name Between NE+ and NE-
Tester Range 2 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 20


A283572E01
2.427,0.521 3.208,0.865 0.781,0.344 10 1 V/DIV. 2.615,1 3.115,1.292 0.5,0.292 10 GND 1.115,1.865 2.01,2.083 0.896,0.219 10 1 ms./DIV.

Knock Control Sensor Signal
ECM Terminal Name Between KNK1 and EKNK
Tester Range 1 V/DIV., 1 ms./DIV.
Condition Engine speed maintained at 2500 rpm after warming up engine

HINT:
·

The wavelength becomes shorter as the engine speed increases.

·

The waveforms and amplitudes displayed will differ slightly depending on the vehicle.




WAVEFORM 21


A283571
0.51,0.219 1.292,0.521 0.781,0.302 10 0.2 V/DIV. 0.573,1.479 1.021,1.76 0.448,0.281 10 GND 1.802,1.875 2.771,2.115 0.969,0.24 10 200 ms./DIV.

Heated Oxygen Sensor Signal
ECM Terminal Name Between OX1B and O1B-
Tester Range 0.2 V/DIV., 200 ms./DIV.
Condition Engine speed maintained at 2500 rpm for 2 minutes after warming up engine

HINT:

Data List item O2 Sensor Voltage B1S2 shows the ECM values from the heated oxygen sensor.



WAVEFORM 22


A254147
2.986,0.993 3.323,1.140 0.336,0.147 10 GND 1.159,1.916 1.902,2.062 0.744,0.147 10 20 ms./DIV. 2.748,0.059 3.284,0.206 0.536,0.147 10 5 V/DIV.

Camshaft Position Sensor Signal
ECM Terminal Name Between VV1+ and VV1-
Tester Range 5 V/DIV., 20 ms./DIV.
Condition Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.



WAVEFORM 23


A337204
0.115,1.417 0.469,1.615 0.354,0.198 10 false GND

Mass Air Flow Meter Sub-assembly Signal
ECM Terminal Name Between VG and E2G
Tester Range 1 V/DIV., 100 μs./DIV.
Condition Ignition switch ON