Physical Values

NOTE:

ECM is located in the engine room left side near battery.
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT.

Terminal No. (Wire color)

Description

Condition

Value (Approx.)

Signal name

Input/Output

1 (L)

112 (B)

Throttle control motor (Open)

Output

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

Approximately 3.2 V⁽¹⁾

2 (SB)

112 (B)

Throttle control motor power supply

Input

[Ignition switch: ON]

Battery voltage (11 - 14 V)

3 (G)

112 (B)

A/F sensor 1 heater

Output

[Engine is running]

Warm-up condition
Idle speed (More than 140 seconds after starting engine)

Approximately 2.9 - 8.8 V⁽¹⁾

4 (P)

112 (B)

Throttle control motor (Close)

Output

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

Approximately 1.8 V⁽¹⁾

5 (G)

112 (B)

Heated oxygen sensor 2 heater

Output

[Engine is running]

Engine speed: Below 3, 600 RPM after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load.

Approximately 10 V⁽¹⁾

[Ignition switch: ON]

Engine stopped

[Engine is running]

Engine speed: Above 3, 600 RPM.

Battery voltage (11 - 14 V)

9 (P)

112 (B)

EVAP canister purge volume control solenoid valve

Output

[Engine is running]

Idle speed
Accelerator pedal: Not depressed even slightly, after engine starting.

Battery voltage (11 - 14 V)⁽¹⁾

[Engine is running]

Engine speed: About 2, 000 RPM (More than 100 seconds after starting engine)

Approximately 10 V⁽¹⁾

10 (B)

ECM ground

11 (B)

ECM ground

15 (Y)

112 (B)

Throttle control motor relay

Output

[Ignition switch: OFF]

Battery voltage (11 - 14 V)

[Ignition switch: ON]

0 - 1.0 V

17 (R)
18 (LG)
21 (G)
22 (SB)

112 (B)

Ignition signal No. 1
Ignition signal No. 2
Ignition signal No. 4
Ignition signal No. 3

Input

[Engine is running]

Warm-up condition
Idle speed
NOTE: The pulse cycle changes depending on RPM at idle.

0 - 0.3 V⁽¹⁾

[Engine is running]

Warm-up condition
Engine speed: 2, 500 RPM.

0.2 - 0.5 V⁽¹⁾

23 (GR)

112 (B)

Fuel pump relay

Output

[Ignition switch: ON]

For 1 second after turning ignition switch ON

[Engine is running]

0 - 1.0 V

[Ignition switch: ON]

More than 1 second after turning ignition switch ON

Battery voltage (11 - 14 V)

25 (V)
29 (Y)
30 (R)
31 (L)

112 (B)

Fuel injector No. 4
Fuel injector No. 3
Fuel injector No. 2
Fuel injector No. 1

Output

[Engine is running]

Warm-up condition
Idle speed
NOTE: The pulse cycle changes depending on RPM at idle.

Battery voltage (11 - 14 V)⁽¹⁾

[Engine is running]

Warm-up condition
Engine speed: 2, 000 RPM

Battery voltage (11 - 14 V)⁽¹⁾

26 (O)

112 (B)

EVAP canister vent control valve

Output

[Ignition switch: ON]

Battery voltage (11 - 14 V)

32 (P)

112 (B)

ECM relay (Self shut-off)

Output

[Engine is running]
[Ignition switch: OFF]

For a few seconds after turning ignition switch OFF

0 - 1.0 V

[Ignition switch: OFF]

More than a few seconds after turning ignition switch OFF

Battery voltage (11 - 14 V)

33 (L)

36 (Y)

Throttle position sensor 1

Input

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

More than 0.36 V

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

Less than 4.75 V

34 (BR)

36 (Y)

Throttle position sensor 2

Input

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully released

Less than 4.75 V

[Ignition switch: ON]

Engine stopped
Shift lever: D
Accelerator pedal: Fully depressed

More than 0.36 V

36 (Y)

Sensor ground (Throttle position sensor)

37 (W)

40 (SHIELD)

Knock sensor

Input

[Engine is running]

Idle speed

Approximately 2.5 V

38 (P)

44 (B)

Engine coolant temperature sensor

Input

[Engine is running]

Approximately 0 - 4.8 V
Output voltage varies with engine coolant temperature.

40 (SHIELD)

Sensor ground (Knock sensor)

42 (L)

112 (B)

Fuel tank temperature sensor

Input

[Engine is running]

Approximately 0 - 4.8 V
Output voltage varies with fuel tank temperature

43 (LG)

68 (BR)

EVAP control system pressure sensor

Input

[Ignition switch: ON]

Approximately 1.8 - 4.8 V

44 (B)

Sensor ground (Engine coolant temperature sensor)

45 (G)

52 (LG)

Mass air flow sensor

Input

[Engine is running]

Warm-up condition
Idle speed

0.7 - 1.1 V

[Engine is running]

Warm-up condition
Engine speed: 2, 500 RPM

1.3 - 1.7 V

46 (V)

55 (LG)

Intake air temperature sensor

Input

[Engine is running]

Approximately 0 - 4.8 V
Output voltage varies with intake air temperature.

47 (G)

60 (W)

Engine oil pressure sensor

Input

[Engine is running]

Warm-up condition
Idle speed

1.3 V⁽¹⁾

[Engine is running]

Warm-up condition
Engine speed is 2, 000 RPM

1.3 V⁽¹⁾

49 (L)

112 (B)

A/F sensor 1

Input

[Engine is running]

Warm-up condition
Engine speed: 2, 000 RPM

Approximately 1.8 V
Output voltage varies with air fuel ratio.

50 (W)

59 (L)

Heated oxygen sensor 2

[Engine is running]

Revving engine from idle to 3, 000 RPM quickly after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load.

0 - Approximately 1.0 V

52 (LG)

Sensor ground (Mass air flow sensor)

53 (P)

112 (B)

A/F sensor 1

Input

[Ignition switch: ON]

Approximately 2.2 V

54 (O)

Sensor ground (Engine oil temperature sensor)

55 (LG)

Sensor ground (Intake air temperature sensor)

57 (Y)

54 (O)

Engine oil temperature sensor

Input

[Engine is running]

Approximately 0 - 4.8 V
Output voltage varies with engine coolant temperature.

59 (L)

Sensor ground (Heated oxygen sensor 2)

60 (W)

Sensor ground (Engine oil pressure sensor)

61 (W)

62 (R)

Crankshaft position sensor (POS)

Input

[Engine is running]

Warm-up condition
Idle speed
NOTE: The pulse cycle changes depending on RPM at idle.

Approximately 4.0 V⁽¹⁾

[Engine is running]

Engine speed: 2, 000 RPM

Approximately 4.0 V⁽¹⁾

62 (R)

Sensor ground [Crankshaft position sensor (POS)]

63 (B)

Sensor ground [Camshaft position sensor (PHASE)]

65 (R)

63 (B)

Camshaft position sensor (PHASE)

Input

[Engine is running]

Warm-up condition
Idle speed
NOTE: The pulse cycle changes depending on RPM at idle.

1.0 - 2.0 V⁽¹⁾

[Engine is running]

Engine speed: 2, 000 RPM.

1.0 - 2.0 V⁽¹⁾

68 (BR)

Sensor ground (EVAP control system pressure sensor)

69 (LG)

112 (B)

PNP signal

Input

[Ignition switch: ON]

Shift lever: P or N

Battery voltage (11 - 14 V)

[Ignition switch: ON]

Except above

Approximately 0 V

71 (B)

68 (BR)

Sensor power supply (EVAP control system pressure sensor)

Output

[Ignition switch: ON]

Approximately 5 V

72 (V)

36 (Y)

Sensor power supply (Throttle position sensor)

Output

[Ignition switch: ON]

Approximately 5 V

73 (P)

112 (B)

Intake valve timing control solenoid valve

Output

[Engine is running]

Warm-up condition
Idle speed

Battery voltage (11 - 14 V)

[Engine is running]

Warm-up condition
When revving engine up to 2, 000 RPM quickly

7 - 10 V⁽¹⁾

74 (R)

60 (W)

Sensor power supply (Engine oil pressure sensor)

Output

[Ignition switch: ON]

Approximately 5 V

75 (B)

62 (R)

Sensor power supply [Crankshaft position sensor (POS)]

Output

[Ignition switch: ON]

Approximately 5 V

78 (L)

63 (B)

Sensor power supply [Camshaft position sensor (PHASE)]

Output

[Ignition switch: ON]

Approximately 5 V

81 (R)

112 (B)

ECM power supply

Input

[Ignition switch: ON]

Battery voltage (11 - 14 V)

83 (P)

CAN communication line (CAN-L)

Input/Output

84 (L)

CAN communication line (CAN-H)

Input/Output

85 (SB)

98 (GR)

Refrigerant pressure sensor

Input

[Engine is running]

Warm-up condition
Both A/C switch and blower fan switch: ON (Compressor operates.)

1.0 - 4.0 V

88 (SB)

DATA link connector

93 (SB)

112 (B)

Ignition switch

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

Battery voltage (11 - 14 V)

94 (P)

95 (B)

ASCD steering switch

Input

[Ignition switch: ON]

ASCD steering switch: OFF

Approximately 4 V

[Ignition switch: ON]

MAIN switch: Pressed

Approximately 0 V

[Ignition switch: ON]

CANCEL switch: Pressed

Approximately 1 V

[Ignition switch: ON]

RESUME/ACCELERATE switch: Pressed

Approximately 3 V

[Ignition switch: ON]

SET/COAST switch: Pressed

Approximately 2 V

95 (B)

Sensor ground (ASCD steering switch)

98 (GR)

Sensor ground (Refrigerant pressure sensor)

99 (R)

112 (B)

Stop lamp switch

Input

[Ignition switch: OFF]

Brake pedal: Fully released

Approximately 0 V

[Ignition switch: OFF]

Brake pedal: Slightly depressed

Battery voltage (11 - 14 V)

100 (SB)

112 (B)

Brake pedal position switch

Input

[Ignition switch: ON]
Brake pedal: Slightly depressed

Approximately 0 V

[Ignition switch: ON]
Brake pedall: Fully released

Battery voltage (11 - 14 V)

101 (W)

98 (GR)

Sensor power supply (Refrigerant pressure sensor)

Output

[Ignition switch: ON]

Approximately 5 V

102 (BR)

104 (R)

Sensor power supply (Accelerator pedal position sensor 2)

Output

[Ignition switch: ON]

Approximately 5 V

103 (W)

104 (R)

Accelerator pedal position sensor 2

Input

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully released

0.3 - 0.6 V

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully depressed

1.95 - 2.4 V

104 (R)

Sensor ground (Accelerator pedal position sensor 2)

105 (G)

112 (B)

Power supply for ECM (Backup)

Input

[Ignition switch: ON]

Battery voltage (11 - 14 V)

106 (V)

111 (GR)

Sensor power supply (Accelerator pedal position sensor 1)

Output

[Ignition switch: ON]

Approximately 5 V

108 (B)

ECM ground

109 (B)

ECM ground

110 (SB)

111 (GR)

Accelerator pedal position sensor 1

Input

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully released

0.6 - 0.9 V

[Ignition switch: ON]

Engine stopped
Accelerator pedal: Fully depressed

3.9 - 4.7 V

111 (GR)

Sensor ground (Accelerator pedal position sensor 1)

112 (B)

ECM ground

⁽¹⁾	Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

*: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "HOW TO HANDLE BATTERY ".