СИСТЕМА ECD КОНТАКТЫ ECM

A01DP0RE02

Tech Tips

Each ECM terminal's standard voltage is shown in the table below.

In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specified Condition". Use the illustration above as a reference for the ECM terminals.

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
G61-1 (BATT) - C101-14 (E1) L - BR Battery (for measuring the battery voltage and for ECM memory) Always 11 to 14 V
G61-2 (SREL) - C101-13 (E01) R - W-B GLOW relay Cranking 11 to 14 V
G61-2 (SREL) - C101-13 (E01) R - W-B GLOW relay

Idling

(engine started and 600 sec. have passed)

 0 to 1.5 V
G61-3 (MREL) - C101-14 (E1) V - BR MAIN relay Ignition switch ON 11 to 14 V
G61-3 (MREL) - C101-14 (E1) V - BR MAIN relay

Ignition switch off

(2 sec. after ignition switch off)

 0 to 1.5 V
G61-4 (TC) - C101-14 (E1) V - BR Terminal TC of DLC3 Ignition switch ON 11 to 14 V
G61-5 (W) - C101-14 (E1) V - BR MIL MIL illuminated 0 to 3 V
G61-5 (W) - C101-14 (E1) V - BR MIL MIL not illuminated 11 to 14 V
G61-8 (THWO) - C101-14 (E1) L - BR Combination meter assembly Ignition switch ON

Pulse generation

(See waveform 1)
G61-9 (SPD) - C101-14 (E1) R - BR Speed signal from combination meter assembly Ignition switch ON, driving wheel rotating slowly

Pulse generation

(See waveform 2)
G61-11 (STA) - C101-14 (E1) W - BR Starter signal Cranking 6 V or more
G61-12 (+B) - C101-14 (E1) W - BR Power source of ECM Ignition switch ON 11 to 14 V
G61-14 (IGSW) - C101-14 (E1) W - BR Ignition switch Ignition switch ON 11 to 14 V
G61-15 (SIL) - C101-14 (E1) W - BR Terminal SIL of DLC3 Intelligent tester connected to DLC3 Pulse generation
G61-19 (STP) - C101-14 (E1) V - BR Stop light switch Brake pedal depressed 11 to 14 V
G61-19 (STP) - C101-14 (E1) V - BR Stop light switch Brake pedal released Below 1.5 V
G62-1 (GIND) - C101-14 (E1) R - BR Glow indicator light Glow indicator light lights up 0 to 3 V
G62-1 (GIND) - C101-14 (E1) R - BR Glow indicator light Glow indicator light does not light up 11 to 14 V
G62-2 (AC1) - C101-14 (E1) LG - BR A/C amplifier

A/C switch on

(magnetic clutch on)

 Below 1.5 V
G62-2 (AC1) - C101-14 (E1) LG - BR A/C amplifier A/C switch off 7.5 to 14 V
G62-8 (ACT) - C101-14 (E1) R - BR A/C amplifier Ignition switch ON 11 to 14 V
G62-8 (ACT) - C101-14 (E1) R - BR A/C amplifier A/C cut performed (driving below 30 km/h (18.6 mph), accelerator pedal fully depressed for 5 sec.) 0 to 3 V
G62-5 (VPA) - G62-4 (EPA) L - P Accelerator pedal position sensor (for engine control) Ignition switch ON, accelerator pedal released 0.5 to 1.1 V
G62-5 (VPA) - G62-4 (EPA) L - P Accelerator pedal position sensor (for engine control) Ignition switch ON, accelerator pedal depressed 2.6 to 4.5 V
G62-12 (VPA2) - G62-4 (EPA) GR - P Accelerator pedal position sensor (for sensor malfunction detection) Ignition switch ON, accelerator pedal released 1.2 to 2.0 V
G62-12 (VPA2) - G62-4 (EPA) GR - P Accelerator pedal position sensor (for sensor malfunction detection) Ignition switch ON, accelerator pedal depressed 3.4 to 5.3 V
G62-6 (VCPA) - G62-4 (EPA) LG - P Power source of accelerator pedal position sensor (for VPA) Ignition switch ON 4.5 to 5.5 V
G62-7 (TACH) - C101-14 (E1) P - BR Engine speed sensor Idling

Pulse generation

(See waveform 3)
G62-11 (ST1-) - C101-14 (E1) B - BR Stop light switch Brake pedal depressed Below 1.5 V
G62-11 (ST1-) - C101-14 (E1) B - BR Stop light switch Brake pedal released 11 to 14 V
C102-1 (VC) - C102-9 (E2) R-W - BR Power source of sensor (specific voltage) Ignition switch ON 4.75 to 5.25 V
C102-2 (PIM) - C102-9 (E2) L-B - BR Manifold absolute pressure sensor 60 kPa (450 mmHg, 17.7 in.Hg) vacuum applied 0.2 to 0.8 V
C102-2 (PIM) - C102-9 (E2) L-B - BR Manifold absolute pressure sensor 207 kPa (1550 mmHg, 61.0 in.Hg) vacuum applied 4.2 to 4.8 V
C102-3 (THA) - C102-9 (E2) B - BR Intake air temperature sensor Idling, air intake temp. 0°C (32°F) to 80°C (176°F) 0.5 to 3.4 V
C102-4 (THW) - C102-9 (E2) R-L - BR Engine coolant temperature sensor Idling, engine coolant temp. 60°C (140°F) to 120°C (248°F) 0.2 to 1.0 V
C102-5 (THF) - C102-9 (E2) G-B - BR Fuel temperature sensor Ignition switch ON (engine cold) 0.5 to 3.4 V
C102-6 (DATA) - C101-14 (E1) Y - BR Injection pump Within 0.5 sec. after ignition switch ON Pulse generation
C102-14 (CLK) - C101-14 (E1) L - BR Injection pump Within 0.5 sec. after ignition switch ON Pulse generation
C102-15 (THOC) - C101-14 (E1) GR - BR Throttle open switch Idling (engine warmed up) 11 to 14 V
C102-15 (THOC) - C101-14 (E1) GR - BR Throttle open switch Ignition switch ON (once within 5 sec.) 0 to 3 V
C101-7 (LU-B) - C101-13 (E01) L-Y - W-B

Throttle control motor

(intake shutter)

 Racing (engine warmed up)

Pulse generation

(See waveform 4)
C101-8 (LU+B) - C101-13 (E01) L-R - W-B

Throttle control motor

(intake shutter)

 Racing (engine warmed up)

Pulse generation

(See waveform 4)
C101-9 (LU-A) - C101-13 (E01) L-W - W-B

Throttle control motor

(intake shutter)

 Racing (engine warmed up)

Pulse generation

(See waveform 4)
C101-10 (LU+A) - C101-13 (E01) L-B - W-B

Throttle control motor

(intake shutter)

 Racing (engine warmed up)

Pulse generation

(See waveform 4)
C101-11 (TCV) - C101-13 (E01) R-W - W-B Timing control valve Ignition switch ON 11 to 14 V
C101-11 (TCV) - C101-13 (E01) R-W - W-B Timing control valve Idling

Pulse generation

(See waveform 5)
C101-12 (SPV+) - C101-14 (E1) R-L - BR Spill control valve Ignition switch ON 11 to 14 V
C101-12 (SPV+) - C101-14 (E1) R-L - BR Spill control valve Idling Pulse generation
C101-25 (SPV-) - C101-14 (E1) R-Y - BR Spill control valve Idling

Pulse generation

(See waveform 7)
C101-17 (TDC+) - C101-16 (TDC-) G - R Crankshaft position sensor Idling

Pulse generation

(See waveform 6)
C101-19 (NE+) - C101-18 (NE-) W - B Engine speed sensor Idling

Pulse generation

(See waveform 6)

  1. Waveform 1


    1. A01DSV3E07

      A/C amplifier signal

      Terminal No. (Symbol) G61-8 (THWO) - C101-14 (E1)
      Tester Range 5 V/DIV., 0.1 sec./DIV.
      Condition Idling

      Tech Tips

      Waveform time A changes according to coolant temperature.

  2. Waveform 2


    1. A01DR4LE05

      Speed signal

      Terminal No. (Symbol) G61-9 (SPD) - C101-14 (E1)
      Tester Range 2 V/DIV., 20 msec./DIV.
      Condition Driving at approx. 20 km/h (12.4 mph)

      Tech Tips


      • As vehicle speed increases, the wavelength becomes shorter.

      • As vehicle speed increases, the waveform's amplitude becomes greater.

  3. Waveform 3


    1. A01DOS4E08

      Engine speed signal

      Terminal No. (Symbol) G62-7 (TACH) - C101-14 (E1)
      Tester Range 5 V/DIV., 20 msec./DIV.
      Condition Idling after warming up

      Tech Tips

      As engine speed increases, the wavelength becomes shorter.

  4. Waveform 4


    1. A01DU4TE03

      Throttle control motor signals

      Terminal No. (Symbol)

      C101-10 (LU+A) - C101-13 (E01)

      C101-8 (LU+B) - C101-13 (E01)

      C101-9 (LU-A) - C101-13 (E01)

      C101-7 (LU-B) - C101-13 (E01)
      Tester Range 10 V/DIV., 0.5 msec./DIV.
      Condition Engine racing

  5. Waveform 5


    1. A01DQ66E06

      Timing control value signal

      Terminal No. (Symbol) C101-11 (TCV) - C101-13 (E01)
      Tester Range 10 V/DIV., 10 msec./DIV.
      Condition During idling

  6. Waveform 6


    1. A01DQWFE03

      Crankshaft position sensor and engine speed sensor signals

      Terminal No. (Symbol)

      C101-17 (TDC+) - C101-16 (TDC-)

      C101-19 (NE+) - C101-18 (NE-)
      Tester Range 2 V/DIV., 20 msec./DIV.
      Condition During idling

  7. Waveform 7


    1. A01DSI4E04

      Spill control valve signal

      Terminal No. (Symbol) C101-25 (SPV-) - C101-14 (E1)
      Tester Range 20 V/DIV., 10 msec./DIV.
      Condition During idling