SFI SYSTEM TERMINALS OF ECM

A001BWYE02

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. (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-B Power source of ECM Engine switch on (IG) 11 to 14 V
A13-1 (+B2) - E3-1 (E1) B - 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 for 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 for bank 2) Idling

Pulse generation

(see waveform 1)
A14-3 (MREL) - E3-1 (E1) P - W-B EFI Relay (EFI MAIN, EFI MAIN2) 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 (for 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 (for 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 (for 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 (for 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 4.7 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 5.5 V
A14-22 (VCP2) - A14-21 (EPA2) BE - BR Power source of accelerator pedal position sensor (for VPA2) Engine switch on (IG) 4.5 to 5.5 V

E3-5 (HA1A) - E3-4 (E04)

E3-6 (HA2A) - E4-1 (E05)

B-R - W-B

B-R - W-B

 A/F sensor heater Engine switch on (IG) 11 to 14 V
Idling

Pulse generation

(see waveform 2)
E4-23 (A1A+) - E3-1 (E1) R - W-B A/F sensor Engine switch on (IG) 3.3 V*1
E4-21 (A2A+) - E3-1 (E1) B - W-B A/F sensor Engine switch on (IG) 3.3 V*1
E4-22 (A1A-) - E3-1 (E1) G - W-B A/F sensor Engine switch on (IG) 3.0 V*1
E4-20 (A2A-) - E3-1 (E1) W - W-B A/F sensor Engine switch on (IG) 3.0 V*1

A13-4 (HT1B) - A13-5 (E03)

A13-3 (HT2B) - A13-5 (E03)

B - W-B

GR - W-B

 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

 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)

E3-20 (#1) - E3-1 (E1)

E3-10 (#2) - E3-1 (E1)

E3-9 (#3) - E3-1 (E1)

E3-19 (#4) - E3-1 (E1)

E3-8 (#5) - E3-1 (E1)

E3-18 (#6) - E3-1 (E1)

E3-17 (#7) - E3-1 (E1)

E3-7 (#8) - E3-1 (E1)

G-W - W-B

L - W-B

G-Y - W-B

W-R - W-B

G - W-B

LG - W-B

P - W-B

Y-B - W-B

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

Pulse generation

(see waveform 5)

E2-13 (INJ1) - E3-1 (E1)

E2-12 (INJ2) - E3-1 (E1)

P-L - W-B

L - W-B

 Fuel injector for direct injection confirmation signal Idling

Pulse generation

(see waveform 5)

E2-15 (INJ3) - E3-1 (E1)

E2-14 (INJ4) - E3-1 (E1)

P - W-B

LG - W-B

 Fuel injector for direct injection confirmation signal Idling

Pulse generation

(see waveform 5)
E3-26 (KNK1) - E3-33 (EKNK) W - B Knock sensor (for bank 1 sensor 1) Maintain engine speed at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E3-25 (KNK2) - E3-32 (EKN2) G - R Knock sensor (for bank 2 sensor 1) Maintain engine speed at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E3-24 (KNK3) - E3-31 (EKN3) W - B Knock sensor (for bank 1 sensor 2) Maintain engine speed at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E3-23 (KNK4) - E3-30 (EKN4) G - R Knock sensor (for bank 2 sensor 2) Maintain engine speed at 4000 rpm after warming up

Pulse generation

(see waveform 6)
E2-25 (VV1+) - E2-33 (VV1-) Y - R Variable valve timing (VVT) sensor (intake side for bank 1) Idling

Pulse generation

(see waveform 7)
E4-19 (VV2+) - E4-29 (VV2-) R - W Variable valve timing (VVT) sensor (intake side for bank 2) Idling

Pulse generation

(see waveform 7)
E1-26 (EV1+) - E1-33 (EV1-) LG - L-Y Variable valve timing (VVT) sensor (exhaust side for bank 1) Idling

Pulse generation

(see waveform 8)
E3-22 (EV2+) - E3-29 (EV2-) B - BR Variable valve timing (VVT) sensor (exhaust side for bank 2) Idling

Pulse generation

(see waveform 8)
E2-24 (G2+) - E2-32 (G2-) Y - R Camshaft position sensor Idling

Pulse generation

(see waveform 9)
E1-27 (NE+) - E1-34 (NE-) W - P Crankshaft position sensor Idling

Pulse generation

(see waveform 7, 8, 9)

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 10)

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 10)
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 11)
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 12)
A13-20 (STA) - E3-1 (E1) Y - W-B STARTER (ST/IGCT) relay operation signal Cranking 11 to 14 V
A14-2 (STAR) - E3-1 (E1) BR - W-B STARTER (ST/IGCT) 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 13)
E2-6 (M-) - E2-5 (ME01) B - W-B Throttle actuator Idling with warm engine

Pulse generation

(see waveform 14)
A14-5 (FC) - E3-1 (E1) G - W-B CIRCUIT OPENING (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 FUEL PUMP (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 15)
E4-10 (FPF1) - E3-1 (E1) V - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 1)

 Idling

Pulse generation

(see waveform 16)
E4-11 (FPD) - E3-1 (E1) R-L - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 1)

 Idling

Pulse generation

(see waveform 16)
E4-12 (FPF2) - E3-1 (E1) GR - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 2)

 Idling

Pulse generation

(see waveform 17)
E4-13 (FPD2) - E3-1 (E1) L-Y - W-B

Fuel pump (for high pressure)

(Spill control valve) (for bank 2)

 Idling

Pulse generation

(see waveform 17)
E3-27 (PR) - E1-28 (E2) L-Y - BR Fuel pressure sensor Idling 1.8 to 2.3 V
A13-14 (CANH) - E3-1 (E1) R - W-B CAN communication line Engine switch on (IG)

Pulse generation

(see waveform 18)
A13-13 (CANL) - E3-1 (E1) G - W-B CAN communication line Engine switch on (IG)

Pulse generation

(see waveform 19)
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 20)
E4-7 (ASM+) - E4-6 (ASM-) L - P Intake air control valve actuator Warm engine and 3000 rpm

Pulse generation

(see waveform 21)
A13-7 (SFTD) - E3-1 (E1) L - 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
A13-8 (SFTU) - E3-1 (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
A13-16 (S) - E3-1 (E1) 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
A13-19 (ACCR) - E3-1 (E1) G - W-B D-ACC relay cut signal Engine switch on (IG) → Cranking 9 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
A14-4 (IREL) - E3-1 (E1) W - W-B EDU1, EDU2 relay Engine switch on (IG) 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 in 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 in P 11 to 14 V
Engine switch on (IG) and Shift lever not in 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 in N 11 to 14 V
Engine switch on (IG) and Shift lever not in N Below 1 V
E3-14 (D) - E3-1 (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
A14-25 (KSW) - E3-1 (E1) P - W-B Park/Neutral position switch signal Engine switch off → on (IG) 0 to 3.0 V
E4-9 (EMD1) - E3-1 (E1) W - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 22)
E2-31 (EMD2) - E3-1 (E1) W-R - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 22)
E4-30 (EMR1) - E3-1 (E1) Y - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 23)
E2-29 (EMR2) - E3-1 (E1) Y-B - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 23)
E4-8 (EDT1) - E3-1 (E1) R - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 24)
E2-16 (EDT2) - E3-1 (E1) G-R - W-B Camshaft timing control motor signal Idling

Pulse generation

(see waveform 24)
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
E1-20 (THEO)*2 - E1-28 (E2) R - BR Engine oil temperature sensor signal Idling with warm engine 0.3 to 0.85 V

Tech Tips


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

  • *2: AWD


  1. WAVEFORM 1

    A0019NGE02
    *a 5 V/DIV.
    *b 1 msec./DIV.
    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

  2. WAVEFORM 2

    A001G0LE01
    *a 5 V/DIV.
    *b 10 msec./DIV.
    A/F sensor heater:
    ECM Terminal Name

    CH1: Between HA1A and E1

    CH2: Between HA2A and E1
    Tester Range 5 V/DIV., 10 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  3. WAVEFORM 3

    A001BLDE02
    *1 0.2 V/DIV.
    *2 200 msec./DIV.
    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

    Tech Tips

    In the Data List, item O2S B1S2 or O2S B2S2 shows the ECM input values from the heated oxygen sensor.

  4. WAVEFORM 4

    A001ENQE01
    *a 5 V/DIV.
    *b 5 msec./DIV.
    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 and engine coolant temperature 60°C or less

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  5. WAVEFORM 5

    A001BAME01
    *a 2 V/DIV.
    *b 20 msec./DIV.
    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 INJF1 and E1

    CH1: Between #4 or #7 and E1

    CH2: Between INJF2 and E1

    CH1: Between #5 or #8 and E1

    CH2: Between INJF3 and E1

    CH1: Between #2 or #3 and E1

    CH2: Between INJF4 and E1
    Tester Range 2 V/DIV., 20 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  6. WAVEFORM 6

    A001DTJE06
    *a 1 V/DIV.
    *b 1 msec./DIV.
    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 rpm increases.

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

  7. WAVEFORM 7

    A001E2FE01
    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

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  8. WAVEFORM 8

    A001BPME01
    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

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  9. WAVEFORM 9

    A001BHOE01
    *a 5 V/DIV.
    *b 20 msec./DIV.
    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

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  10. WAVEFORM 10

    A001AL9E01
    *a IGT and IGF Signal Waveform
    *b 2 V/DIV.
    *c 20 msec./DIV.
    Igniter IGT signal (from ECM to igniter) and Igniter IGF signal (from igniter to ECM):
    ECM Terminal Name

    CH1: Between IGT1 (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

    Tech Tips

    The wavelength becomes shorter as the engine rpm increases.

  11. WAVEFORM 11

    A0019ITE01
    *1 10 V/DIV.
    *2 20 msec./DIV.
    Purge VSV:
    ECM Terminal Name Between PRG and E1
    Tester Range 10 V/DIV., 20 msec./DIV.
    Condition Idling with warm engine

    Tech Tips

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

  12. WAVEFORM 12

    A001F9OE03
    *a 2 V/DIV.
    *b 20 msec./DIV.
    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)

    Tech Tips

    The wavelength becomes shorter as the vehicle speed increases.

  13. WAVEFORM 13

    A001CQ1E02
    *a 5 V/DIV.
    *b 1 msec./DIV.
    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.

  14. WAVEFORM 14

    A001EHSE24
    *a 5 v/DIV
    *b 1 ms/DIV
    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

    A001CWFE04
    *a 5 V/DIV.
    *b 10 msec./DIV.
    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 rpm increases.

  16. WAVEFORM 16

    A001FNHE01
    *a 2 V/DIV.
    *b 5 msec./DIV.
    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 with warm engine

  17. WAVEFORM 17

    A001DYUE01
    *a 2 V/DIV.
    *b 5 msec./DIV.
    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

  18. WAVEFORM 18

    A001AWTE01
    *a 1 V/DIV.
    *b 10 μs./DIV.
    CAN communication signal:
    ECM Terminal Name Between CANH and E1
    Tester Range 1 V/DIV., 10 μsec./DIV.
    Condition Engine Stopped and engine switch on (IG)

    Tech Tips

    The waveform varies depending on the CAN communication signal.

  19. WAVEFORM 19

    A001FYAE01
    *a 1 V/DIV.
    *b 10 μsec./DIV.
    CAN communication signal:
    ECM Terminal Name Between CANL and E1
    Tester Range 1 V/DIV., 10 μsec./DIV.
    Condition Engine Stopped and engine switch on (IG)

    Tech Tips

    The waveform varies depending on the CAN communication signal.

  20. WAVEFORM 20

    A001EGOE02
    *a 2 V/DIV.
    *b 50 msec./DIV
    Recharging control signal:
    ECM Terminal Name Between RLO and E1
    Tester Range 2 V/DIV., 50 msec./DIV.
    Condition Idling

  21. WAVEFORM 21

    A001CYZE01
    *a 5 V/DIV.
    *b 5 msec./DIV.
    Intake air control valve signal:
    ECM Terminal Name Between ASM+ and ASM-
    Tester Range 5 V/DIV., 5 msec./DIV.
    Condition Warm engine and 3000 rpm

  22. WAVEFORM 22

    A001CGCE02
    *a 2 V/DIV.
    *b 100 msec./DIV.
    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 rpm increases.

  23. WAVEFORM 23

    A001D2WE01
    *a 2 V/DIV.
    *b 5 msec./DIV.
    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 rpm increases.

  24. WAVEFORM 24

    A001CN9E01
    *a 1 V/DIV.
    *b 5 msec./DIV.
    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 rpm increases.