SFI SYSTEM TERMINALS OF ECM

A0160XEE57

Tech Tips

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. (Symbol) Wiring Color Terminal Description Condition Specified Condition
A5-7 (BATT) - E6-1 (E1) L - W-B Battery (for measuring battery voltage and for ECM memory) Always 11 to 14 V
E3-1 (+BM) - E6-1 (E1) Y-B - W-B Power source of throttle actuator Always 11 to 14 V
A5-8 (IGSW) - E6-1 (E1) B-W - W-B Engine switch Engine switch on (IG) 11 to 14 V
A6-2 (+B) - E6-1 (E1) B-R - W-B Power source of ECM Engine switch on (IG) 11 to 14 V
A6-1 (+B2) - E6-1 (E1) B-R - W-B Power source of ECM Engine switch on (IG) 11 to 14 V
E4-4 (OE1+) - E4-3 (OE1-) R - L-W Camshaft timing oil control valve (OCV) (exhaust side for bank 1) Idling

Pulse generation

(see waveform 1)
E5-18 (OE2+) - E5-28 (OE2-) B-W - Y-B Camshaft timing oil control valve (OCV) (exhaust side for bank 2) Idling

Pulse generation

(see waveform 1)
A5-3 (MREL) - E6-1 (E1) Y - W-B EFI MAIN Relay Engine switch on (IG) 11 to 14 V
E3-18 (VC) - E3-28 (E2) L - BR Power source for sensor (specific voltage) Engine switch on (IG) 4.5 to 5.0 V
E3-25 (VG) - E3-24 (E2G) B-R - B-W Mass air flow meter Idling, Shift lever in P or N, A/C switch OFF 0.5 to 3.0 V
E3-22 (THA) - E3-28 (E2) B-L - BR Intake air temperature sensor Idling, Intake air temperature 0 to 80°C (32 to 176°F) 0.5 to 3.4 V
E3-19 (THW) - E3-28 (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
E4-34 (VCTA) - E4-35 (ETA) R - W

Power source for throttle position sensor

(specific voltage)

 Engine switch on (IG) 4.5 to 5.0 V
E4-26 (VTA) - E4-35 (ETA) G-Y - W Throttle position sensor (for engine control)

Engine switch on (IG),

Accelerator pedal released

 0.5 to 1.2 V
Engine switch on (IG), Accelerator pedal fully depressed 3.2 to 4.8 V
E4-27 (VTA2) - E4-35 (ETA) L-B - 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 fully depressed 4.5 to 5.0 V
A5-29 (VPA) - A5-20 (EPA) L-W - L-Y 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 fully depressed 2.6 to 4.5 V
A5-28 (VPA2) - A5-21 (EPA2) P-L - G-B 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 fully depressed 3.4 to 5.0 V
A5-23 (VCPA) - A5-20 (EPA) P - L-Y Power source of accelerator pedal position sensor (for VPA) Engine switch on (IG) 4.5 to 5.0 V
A5-22 (VCP2) - A5-21 (EPA2) G-R - G-B Power source of accelerator pedal position sensor (for VPA2) Engine switch on (IG) 4.5 to 5.0 V

E6-5 (HA1A) - E6-4 (E04)

E6-6 (HA2A) - E5-1 (E05)

B-R - W-B

B-R - W-B

 Air fuel ratio sensor heater Engine switch on (IG) 11 to 14 V
Idling with warm engine

Pulse generation

(see waveform 2)
E5-23 (A1A+) - E6-1 (E1) R - W-B Air fuel ratio sensor Engine switch on (IG) 3.3 V*1
E5-21 (A2A+) - E6-1 (E1) B - W-B Air fuel ratio sensor Engine switch on (IG) 3.3 V*1
E5-22 (A1A-) - E6-1 (E1) G - W-B Air fuel ratio sensor Engine switch on (IG) 2.9 V*1
E5-20 (A2A-) - E6-1 (E1) W - W-B Air fuel ratio sensor Engine switch on (IG) 2.9 V*1

A6-4 (HT1B) - A6-5 (E03)

A6-3 (HT2B) - A6-5 (E03)

L-R - W-B

L-W - W-B

 Heated oxygen sensor heater Engine switch on (IG) 11 to 14 V
Idling Below 3.0 V

A6-26 (OX1B) - E3-28 (E2)

A6-27 (OX2B) - E3-28 (E2)

R - BR

B - BR

 Heated oxygen sensor Engine speed maintained at 2500 rpm for 2 minutes after warming up engine

Pulse generation

(see waveform 3)

E5-17 (#10) - E6-1 (E1)

E4-11 (#20) - E6-1 (E1)

E5-16 (#30) - E6-1 (E1)

E4-10 (#40) - E6-1 (E1)

E5-15 (#50) - E6-1 (E1)

E4-9 (#60) - E6-1 (E1)

E5-14 (#70) - E6-1 (E1)

E4-8 (#80) - E6-1 (E1)

L - W-B

G - W-B

W - W-B

GR - W-B

Y - W-B

L - W-B

R - W-B

V - W-B

 Injector for port injection Engine switch on (IG) 11 to 14 V
Idling

Pulse generation

(see waveform 4)

E6-20 (#1) - E6-1 (E1)

E6-10 (#2) - E6-1 (E1)

E6-9 (#3) - E6-1 (E1)

E6-19 (#4) - E6-1 (E1)

E6-8 (#5) - E6-1 (E1)

E6-18 (#6) - E6-1 (E1)

E6-17 (#7) - E6-1 (E1)

E6-7 (#8) - E6-1 (E1)

G-W - W-B

L - W-B

R-B - W-B

W-R - W-B

G - W-B

R-W - W-B

W-L - W-B

Y-B - W-B

 Injector for direct injection Engine switch on (IG) 0 to 5 V
Idling

Pulse generation

(see waveform 5)

E4-13 (INJ1) - E6-1 (E1)

E4-12 (INJ2) - E6-1 (E1)

P-L - W-B

R-B - W-B

 Fuel injector for direct injection confirmation signal Idling

Pulse generation

(see waveform 5)

E4-15 (INJ3) - E6-1 (E1)

E4-14 (INJ4) - E6-1 (E1)

B-L - W-B

LG - W-B

 Fuel injector for direct injection confirmation signal Idling

Pulse generation

(see waveform 5)
E6-26 (KNK1) - E6-33 (EKNK) W - B Knock sensor (for bank 1 sensor 1) Engine speed maintained at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E6-25 (KNK2) - E6-32 (EKN2) G - R Knock sensor (for bank 2 sensor 1) Engine speed maintained at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E6-24 (KNK3) - E6-31 (ENK3) R - W Knock sensor (for bank 1 sensor 2) Engine speed maintained at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E6-23 (KNK4) - E6-30 (ENK4) B - G Knock sensor (for bank 2 sensor 2) Engine speed maintained at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E4-25 (VV1+) - E4-33 (VV1-) B-R - R Variable valve timing (VVT) sensor (intake side for bank 1) Idling

Pulse generation

(see waveform 7)
E5-19 (VV2+) - E5-29 (VV2-) R - W Variable valve timing (VVT) sensor (intake side for bank 2) Idling

Pulse generation

(see waveform 7)
E3-26 (EV1+) - E3-33 (EV1-) B - Y-R Variable valve timing (VVT) sensor (exhaust side for bank 1) Idling

Pulse generation

(see waveform 8)
E6-22 (EV2+) - E6-29 (EV2-) Y - P Variable valve timing (VVT) sensor (exhaust side for bank 2) Idling

Pulse generation

(see waveform 8)
E4-24 (G2+) - E4-32 (G2-) R-W - Y Camshaft position sensor Idling

Pulse generation

(see waveform 9)
E3-27 (NE+) - E3-34 (NE-) W - R Crankshaft position sensor Idling

Pulse generation

(see waveform 10)

E5-27 (IGT1) - E6-1 (E1)

E4-23 (IGT2) - E6-1 (E1)

E5-26 (IGT3) - E6-1 (E1)

E4-22 (IGT4) - E6-1 (E1)

E5-25 (IGT5) - E6-1 (E1)

E4-21 (IGT6) - E6-1 (E1)

E5-24 (IGT7) - E6-1 (E1)

E4-20 (IGT8) - E6-1 (E1)

G-W - W-B

L-R - W-B

L-Y - W-B

B-Y - W-B

P - W-B

R-L - W-B

P-L - W-B

B-W - W-B

 Ignition coil (ignition signal) Idling

Pulse generation

(see waveform 11)

E5-32 (IGF1) - E6-1 (E1)

E4-28 (IGF2) - E6-1 (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 11)
E3-17 (PRG) - E6-1 (E1) R-Y - W-B Purge VSV Engine switch on (IG) 11 to 14 V
Idling

Pulse generation

(see waveform 12)
A5-24 (SPD) - E6-1 (E1) Y-G - W-B Speed signal from combination meter Driving at 20 km/h (12 mph)

Pulse generation

(see waveform 13)
A6-20 (STA) - E6-1 (E1) L-R - W-B STARTER relay operation signal Cranking 11 to 14 V
A5-2 (STAR) - E6-1 (E1) L-Y - W-B STARTER relay drive signal Engine switch on (IG), Shift lever other than in P or N 11 to 14 V
Cranking, Shift lever in P or N 0 to 3.0 V
A5-27 (STSW) - E6-1 (E1) Y-B - W-B Engine cranking required signal Cranking, Shift lever in P or N 6.0 V or more
A5-13 (STP) - E6-1 (E1) R-B - W-B Stop light switch Brake pedal depressed 7.5 to 14 V
Brake pedal released Below 1.5 V
A5-12 (ST1-) - E6-1 (E1) G-W - 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
E4-7 (M+) - E4-5 (ME01) W - W-B Throttle actuator Idling with warm engine

Pulse generation

(see waveform 14)
E4-6 (M-) - E4-5 (ME01) B - W-B Throttle actuator Idling with warm engine

Pulse generation

(see waveform 15)
A5-5 (FC) - E6-1 (E1) R-G - W-B C/OPN relay Engine switch on (IG) 11 to 14 V
Idling 0 to 3.0 V
A5-6 (FPR) - E6-1 (E1) R-W - W-B F/PMP relay Engine switch on (IG) 11 to 14 V
A5-11 (W) - E6-1 (E1) R-L - W-B MIL Engine switch on (IG) Below 3.0 V
Idling 0 to 14 V
A6-21 (TC) - E6-1 (E1) V - W-B Terminal TC of DLC3 Engine switch on (IG) 11 to 14 V
A5-15 (TACH) - E6-1 (E1) R-W - W-B Engine speed Idling

Pulse generation

(see waveform 16)
E5-10 (FPF1) - E6-1 (E1) V - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 1)

 Idling

Pulse generation

(see waveform 17)
E5-11 (FPD) - E6-1 (E1) R-L - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 1)

 Idling

Pulse generation

(see waveform 17)
E5-12 (FPF2) - E6-1 (E1) GR - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 2)

 1200 rpm with warm engine

Pulse generation

(see waveform 18)
E5-13 (FPD2) - E6-1 (E1) L-Y - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 2)

 1200 rpm with warm engine

Pulse generation

(see waveform 18)
E6-27 (PR) - E3-28 (E2) L-Y - BR Fuel pressure sensor Idling 1.8 to 2.3 V
A6-14 (CANH) - E6-1 (E1) B - W-B CAN communication line Engine switch on (IG)

Pulse generation

(see waveform 19)
A6-13 (CANL) - E6-1 (E1) W - W-B CAN communication line Engine switch on (IG)

Pulse generation

(see waveform 20)
E3-8 (AICV) - E6-1 (E1) GR - W-B VSV for air intake control operation signal Engine switch on (IG) 11 to 14 V
A6-7 (SFTD) - E6-1 (E1) R-B - W-B Down-shift position switch signal Engine switch on (IG) and Shift lever in S 11 to 14 V
Engine switch on (IG) and Shift lever "-" position (down-shift) Below 1 V
A6-8 (SFTU) - E6-1 (E1) Y - W-B Up-shift position switch signal Engine switch on (IG) and Shift lever in S 11 to 14 V
Engine switch on (IG) and Shift lever "+" position (up-shift) Below 1 V
A6-16 (S) - E6-1 (E1) W-G - W-B S shift position switch signal Engine switch on (IG) and Shift lever in S 11 to 14 V
Engine switch on (IG) and Shift lever not in S Below 1 V
A6-19 (ACCR) - E6-1 (E1) W-L - W-B ACC relay cut signal Engine switch on (IG) → Cranking 11 to 14 V → Below 1 V
A6-29 (NSW) - E6-1 (E1) L - W-B Park/Neutral position switch Engine switch on (IG), Shift lever in P or N Below 3.0 V
Engine switch on (IG), Shift lever except P or N 11 to 14 V
A5-4 (IREL) - E6-1 (E1) R-L - W-B INJ, INJ2 relay Engine switch on (IG) 11 to 14 V
E6-11 (R) - E6-1 (E1) G - W-B Park/Neutral position switch signal Engine switch on (IG) and Shift lever in R 11 to 14 V
Engine switch on (IG) and Shift lever not in R Below 1 V
E6-12 (P) - E6-1 (E1) W - W-B Park/Neutral position switch signal Engine switch on (IG) and Shift lever in P 11 to 14 V
Engine switch on (IG) and Shift lever not in P Below 1 V
E6-13 (N) - E6-1 (E1) G-R - W-B Park/Neutral position switch signal Engine switch on (IG) and Shift lever in N 11 to 14 V
Engine switch on (IG) and Shift lever not in N Below 1 V
E6-14 (D) - E6-1 (E1) G-Y - W-B Park/Neutral position switch signal Engine switch on (IG) and Shift lever in D 11 to 14 V
Engine switch on (IG) and Shift lever not in D Below 1 V
A5-25 (KSW) - E6-1 (E1) L-R - W-B Park/Neutral position switch signal Engine switch off → on (IG) 0 to 3.0 V
E5-9 (EMD1) - E6-1 (E1) W-R - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 21)
E4-31 (EMD2) - E6-1 (E1) W-R - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 21)
E5-30 (EMR1) - E6-1 (E1) L-B - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 22)
E4-29 (EMR2) - E6-1 (E1) G-W - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 22)
E5-8 (EDT1) - E6-1 (E1) B-L - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 23)
E4-16 (EDT2) - E6-1 (E1) G-R - W-B Camshaft timing control motor signal Idling with warm engine

Pulse generation

(see waveform 23)
E5-31 (EMF1) - E6-1 (E1) G-R - W-B Camshaft timing control motor signal Idling 0.3 to 1.3 V
E4-30 (EMF2) - E6-1 (E1) Y-B - W-B Camshaft timing control motor signal Idling 0.3 to 1.3 V

Tech Tips

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


  1. WAVEFORM 1

    A015YJBE15
    Camshaft Timing Oil Control Valve (Exhaust Side)
    ECM Terminal Name Between OE1+ and OE1- or OE2+ and OE2-
    Tester Range 5 V/DIV., 1 msec./DIV.
    Condition Idling

  2. WAVEFORM 2

    A0162RFE01
    Air Fuel Ratio Sensor Heater
    ECM Terminal Name

    CH1: Between HA1A and E04

    CH2: Between HA2A and E05
    Tester Range 5 V/DIV., 10 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  3. WAVEFORM 3

    A0161XSE17
    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 engine

    Tech Tips

    In Data List, item O2S B1S1 and O2S B2S2 shows the ECM input values from the heated oxygen sensor.

  4. WAVEFORM 4

    A0163FAE01
    Injector for Port Injection 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

    Tech Tips


    • The wavelength becomes shorter as the engine speed increases.

    • When the port injection injectors operating, Port is displayed for Injection Way of the Data List.

  5. WAVEFORM 5

    A01614SE01
    Injector for Direct Injection No. 1 (to No. 8) Injection Signal and Injection Confirmation Signal
    ECM Terminal Name

    CH1: Between #1 or #6 and E1

    CH2: Between INJ1 and E1

    CH1: Between #4 or #7 and E1

    CH2: Between INJ2 and E1

    CH1: Between #5 or #8 and E1

    CH2: Between INJ3 and E1

    CH1: Between #2 or #3 and E1

    CH2: Between INJ4 and E1
    Tester Range 2 V/DIV., 20 msec./DIV.
    Condition Idling

    Tech Tips


    • The wavelength becomes shorter as the engine speed increases.

    • When the direct injection injectors operating, Direct is displayed for Injection Way of the Data List.

  6. WAVEFORM 6

    A0162LME38
    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

    Tech Tips


    • The wavelength becomes shorter as the engine speed increases.

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

  7. WAVEFORM 7

    A016056E01
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  8. WAVEFORM 8

    A0160TQE01
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  9. WAVEFORM 9

    A0160PHE01
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  10. WAVEFORM 10

    A0162GNE01
    Crankshaft position sensor:
    ECM Terminal Name Between NE+ and NE-
    Tester Range 2 V/DIV., 20 msec./DIV.
    Condition Idling

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  11. WAVEFORM 11

    A016162E01
    Igniter IGT Signal (from ECM to Igniter) and Igniter IGF Signal (from Igniter to ECM)
    ECM Terminal Name

    CH1: IGT1, IGT4, IGT6 or IGT7 - E1

    CH2: IGF1 - E1

    CH1: IGT2, IGT3, IGT5 or IGT8 - E1

    CH2: IGF2 - E1
    Tester Range 2 V/DIV., 20 msec./DIV.
    Condition Idling

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  12. WAVEFORM 12

    A015Z1RE01
    Purge VSV
    ECM Terminal Name Between PRG and E1
    Tester Range 10 V/DIV., 20 msec./DIV.
    Condition Idling

    Tech Tips

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

  13. WAVEFORM 13

    A016020E08
    Vehicle Speed Signal
    ECM Terminal Name Between SPD and E1
    Tester Range 2 V/DIV., 20 msec./DIV.
    Condition Driving at 20 km/h (12 mph)

    Tech Tips

    The wavelength becomes shorter as the vehicle speed increases.

  14. WAVEFORM 14

    A015YW0E03
    Throttle Actuator Positive Terminal
    ECM Terminal Name Between M+ and ME01
    Tester Range 5 V/DIV., 1 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

    The duty ratio varies depending on the throttle actuator operation.

  15. WAVEFORM 15

    A0163BOE01
    Throttle Actuator Negative Terminal
    ECM Terminal Name Between M- and ME01
    Tester Range 5 V/DIV., 1 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

    The duty ratio varies depending on the throttle actuator operation.

  16. WAVEFORM 16

    A0161K7E15
    Engine Speed Signal
    ECM Terminal Name Between TACH and E1
    Tester Range 5 V/DIV., 10 msec./DIV.
    Condition Idling

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  17. WAVEFORM 17

    A0162IBE01
    Fuel Pump for High Pressure (Spill Control Valve) (Bank 1)
    ECM Terminal Name

    CH1: Between FPD and E1

    CH2: Between FPF1 and E1
    Tester Range 2 V/DIV., 5 msec./DIV.
    Condition Idling

  18. WAVEFORM 18

    A0163FME01
    Fuel Pump for High Pressure (Spill Control Valve) (Bank 2)
    ECM Terminal Name

    CH1: Between FPD2 and E1

    CH2: Between FPF2 and E1
    Tester Range 2 V/DIV., 5 msec./DIV.
    Condition 1200 rpm with warm engine

  19. WAVEFORM 19

    A0160JFE07
    CAN Communication Signal
    ECM Terminal Name Between CANH and E1
    Tester Range 1 V/DIV., 10 μsec./DIV.
    Condition Engine switch on (IG)

    Tech Tips

    The waveform varies depending on the CAN communication signal.

  20. WAVEFORM 20

    A0162EWE08
    CAN Communication Signal
    ECM Terminal Name Between CANL and E1
    Tester Range 1 V/DIV., 10 μsec./DIV.
    Condition Engine switch on (IG)

    Tech Tips

    The waveform varies depending on the CAN communication signal.

  21. WAVEFORM 21

    A0160EKE02
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  22. WAVEFORM 22

    A0160CXE01
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.

  23. WAVEFORM 23

    A0160J6E01
    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

    Tech Tips

    The wavelength becomes shorter as the engine speed increases.