Physical Values
- 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.) |
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|
+ |
- |
Signal name |
Input/Output |
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|
1 (P) |
128 (B) |
Throttle control motor (Close) |
Output |
[Ignition switch: ON]
|
Approximately 1.8 V |
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|
2 (SB) |
128 (B) |
Throttle control motor power supply |
Input |
[Ignition switch: ON] |
Battery voltage (11 - 14 V) |
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|
3 (L) |
128 (B) |
Throttle control motor (Open) |
Output |
[Ignition switch: ON]
|
Approximately 3.2 V |
||
|
4 (W) |
8 (SHIELD) |
Knock sensor |
Input |
[Engine is running]
|
Approximately 2.5 V |
||
|
8 (SHIELD) |
-- |
Sensor ground (Knock sensor) |
-- |
-- |
-- |
||
|
9 (V) 10 (Y) 13 (L) 14 (R) |
128 (B) |
Fuel injector No. 4 Fuel injector No. 3 Fuel injector No. 2 Fuel injector No. 1 |
Output |
[Engine is running]
|
Battery voltage (11 - 14 V) |
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|
[Engine is running]
|
Battery voltage (11 - 14 V) |
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|
12 (B) |
-- |
ECM ground |
-- |
-- |
-- |
||
|
16 (B) |
-- |
ECM ground |
-- |
-- |
-- |
||
|
17 (P) |
128 (B) |
EVAP canister purge volume control solenoid valve |
Output |
[Engine is running]
|
Battery voltage (11 - 14 V) |
||
|
[Engine is running]
|
Approximately 10 V |
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|
18 (GR) |
128 (B) |
Fuel pump relay |
Output |
[Ignition switch: ON]
[Engine is running] |
0 - 1.0 V |
||
|
[Ignition switch: ON]
|
Battery voltage (11 - 14 V) |
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|
21 (Y) |
128 (B) |
Throttle control motor relay |
Output |
[Ignition switch: OFF] |
Battery voltage (11 - 14 V) |
||
|
[Ignition switch: ON] |
0 - 1.0 V |
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|
22 (W) |
23 (L) |
Heated oxygen sensor 2 |
[Engine is running]
|
0 - Approximately 1.0 V |
|||
|
23 (L) |
-- |
Sensor ground (Heated oxygen sensor 2) |
-- |
-- |
-- |
||
|
25 (Y) |
26 (O) |
Engine oil temperature sensor |
Input |
[Engine is running] |
Approximately 0 - 4.8 V Output voltage varies with engine coolant temperature. |
||
|
26 (O) |
-- |
Sensor ground (Engine oil temperature sensor) |
-- |
-- |
-- |
||
|
27 (B) |
-- |
Sensor ground (Engine coolant temperature sensor) |
-- |
-- |
-- |
||
|
28 (P) |
27 (B) |
Engine coolant temperature sensor |
Input |
[Engine is running] |
Approximately 0 - 4.8 V Output voltage varies with engine coolant temperature. |
||
|
30 (B) |
-- |
Sensor ground [Camshaft position sensor (PHASE)] |
-- |
-- |
-- |
||
|
31 (R) |
30 (B) |
Camshaft position sensor (PHASE) |
Input |
[Engine is running]
|
1.0 - 2.0 V |
||
|
[Engine is running]
|
1.0 - 2.0 V |
||||||
|
32 (L) |
30 (B) |
Sensor power supply [Camshaft position sensor (PHASE)] |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
33 (V) |
34 (L) |
Intake air temperature sensor |
Input |
[Engine is running] |
Approximately 0 - 4.8 V Output voltage varies with intake air temperature. |
||
|
34 (L) |
-- |
Sensor ground (Mass air flow sensor) |
-- |
-- |
-- |
||
|
35 (P) |
34 (L) |
Mass air flow sensor |
Input |
[Engine is running]
|
0.7 - 1.1 V |
||
|
[Engine is running]
|
1.3 - 1.7 V |
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|
37 (SHIELD) |
-- |
Shield |
-- |
-- |
-- |
||
|
38 (G) |
-- |
Sensor ground (Engine oil pressure sensor) |
-- |
-- |
-- |
||
|
39 (W) |
38 (G) |
Engine oil pressure sensor |
Input |
[Engine is running]
|
1.3 V |
||
|
[Engine is running]
|
1.3 V |
||||||
|
40 (R) |
38 (G) |
Sensor power supply (Engine oil pressure sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
41 (L) |
128 (B) |
A/F sensor 1 |
Input |
[Engine is running]
|
Approximately 2.2 V Output voltage varies with air fuel ratio. |
||
|
45 (P) |
128 (B) |
A/F sensor 1 |
Input |
[Ignition switch: ON] |
Approximately 1.8 V |
||
|
52 (B) |
-- |
ECM ground |
-- |
-- |
-- |
||
|
53 (G) |
128 (B) |
A/F sensor 1 heater |
Output |
[Engine is running]
|
Approximately 2.9 - 8.8 V |
||
|
54 (G) |
128 (B) |
Heated oxygen sensor 2 heater |
Output |
[Engine is running]
|
Approximately 10 V |
||
|
[Ignition switch: ON]
[Engine is running]
|
Battery voltage (11 - 14 V) |
||||||
|
62 (BR) |
-- |
Sensor ground (Battery current sensor) |
-- |
-- |
-- |
||
|
63 (G) |
62 (BR) |
Battery current sensor |
Input |
[Engine is running]
|
2.6 - 3.5 V |
||
|
64 (B) |
62 (BR) |
Sensor power supply (Battery current sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
70 (R) |
-- |
Sensor ground [Crankshaft position sensor (POS)] |
-- |
-- |
-- |
||
|
71 (W) |
70 (R) |
Crankshaft position sensor (POS) |
Input |
[Engine is running]
|
Approximately 4.0 V |
||
|
[Engine is running]
|
Approximately 4.0 V |
||||||
|
72 (B) |
70 (R) |
Sensor power supply [Crankshaft position sensor (POS)] |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
73 (SHIELD) |
-- |
Shield |
-- |
-- |
-- |
||
|
74 (R) |
-- |
Sensor ground (Barometric pressure sensor) |
-- |
-- |
-- |
||
|
75 (B) |
74 (R) |
Barometric pressure sensor |
Input |
[Ignition switch: ON] |
1.8 - 4.8 V Output voltage varies with atmospheric pressure. |
||
|
76 (L) |
74 (R) |
Sensor power supply (Barometric pressure sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
77 (BR) |
78 (Y) |
Throttle position sensor 2 |
Input |
[Ignition switch: ON]
|
Less than 4.75 V |
||
|
[Ignition switch: ON]
|
More than 0.36 V |
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|
78 (Y) |
-- |
Sensor ground (Throttle position sensor) |
-- |
-- |
-- |
||
|
79 (L) |
78 (Y) |
Throttle position sensor 1 |
Input |
[Ignition switch: ON]
|
More than 0.36 V |
||
|
[Ignition switch: ON]
|
Less than 4.75 V |
||||||
|
80 (V) |
78 (Y) |
Sensor power supply (Throttle position sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
81 (R) |
128 (B) |
Power supply for ECM (Back-up) |
Input |
[Ignition switch: ON] |
Battery voltage (11 - 14 V) |
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|
86 (R) 87 (LG) 90 (SB) 91 (G) |
128 (B) |
Ignition signal No. 1 Ignition signal No. 2 Ignition signal No. 3 Ignition signal No. 4 |
Input |
[Engine is running]
|
0 - 0.3 V |
||
|
[Engine is running]
|
0.2 - 0.5 V |
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|
88 (SB) |
-- |
DATA link connector |
-- |
-- |
-- |
||
|
89 (P) |
128 (B) |
ECM relay (Self shut-off) |
Output |
[Engine is running] [Ignition switch: OFF]
|
0 - 1.0 V |
||
|
[Ignition switch: OFF]
|
Battery voltage (11 - 14 V) |
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|
93 (P) |
128 (B) |
Intake valve timing control solenoid valve |
Output |
[Engine is running]
|
Battery voltage (11 - 14 V) |
||
|
[Engine is running]
|
7 - 10 V |
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|
97 (O) |
128 (B) |
EVAP canister vent control valve |
Output |
[Ignition switch: ON] |
Battery voltage (11 - 14 V) |
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|
99 (P) |
-- |
CAN-L |
Input/Output |
-- |
-- |
||
|
100 (L) |
-- |
CAN-H |
Input/Output |
-- |
-- |
||
|
103 (SB) |
124 (BR) |
Refrigerant pressure sensor |
Input |
[Engine is running]
|
1.0 - 4.0 V |
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|
104 (W) |
124 (BR) |
Sensor power supply (Refrigerant pressure sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
109 (SB) |
128 (B) |
Ignition switch |
[Ignition switch: OFF] |
0 V |
|||
|
[Ignition switch: ON] |
Battery voltage (11 - 14 V) |
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|
110 (P) |
111 (B) |
ASCD steering switch |
Input |
[Ignition switch: ON]
|
Approximately 4 V |
||
|
[Ignition switch: ON]
|
Approximately 0 V |
||||||
|
[Ignition switch: ON]
|
Approximately 1 V |
||||||
|
[Ignition switch: ON]
|
Approximately 3 V |
||||||
|
[Ignition switch: ON]
|
Approximately 2 V |
||||||
|
111 (B) |
-- |
Sensor ground (ASCD steering switch) |
-- |
-- |
-- |
||
|
113 (B) |
124 (BR) |
Sensor power supply (EVAP control system pressure sensor) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
114 (LG) |
62 (BR) |
EVAP control system pressure sensor |
Input |
[Ignition switch: ON] |
Approximately 1.8 - 4.8 V |
||
|
115 (R) |
128 (B) |
Stop lamp switch |
Input |
[Ignition switch: OFF]
|
Approximately 0 V |
||
|
[Ignition switch: OFF]
|
Battery voltage (11 - 14 V) |
||||||
|
116 (SB) |
128 (B) |
Brake pedal position switch |
Input |
[Ignition switch: ON] Brake pedal: Slightly depressed |
Approximately 0 V |
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|
[Ignition switch: ON] Brake pedal: Fully released |
Battery voltage (11 - 14 V) |
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|
117 (LG) |
128 (B) |
PNP signal |
Input |
[Ignition switch: ON]
|
Battery voltage (11 - 14 V) |
||
|
[Ignition switch: ON]
|
Approximately 0 V |
||||||
|
118 (BR) |
120 (R) |
Sensor power supply (Accelerator pedal position sensor 2) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
119 (W) |
120 (R) |
Accelerator pedal position sensor 2 |
Input |
[Ignition switch: ON]
|
0.3 - 0.6 V |
||
|
[Ignition switch: ON]
|
1.95 - 2.4 V |
||||||
|
120 (R) |
-- |
Sensor ground (Accelerator pedal position sensor 2) |
-- |
-- |
-- |
||
|
121 (G) |
128 (B) |
Power supply for ECM |
Input |
[Ignition switch: ON] |
Battery voltage (11 - 14 V) |
||
|
122 (V) |
127 (GR) |
Sensor power supply (Accelerator pedal position sensor 1) |
Output |
[Ignition switch: ON] |
Approximately 5 V |
||
|
123 (B) |
-- |
ECM ground |
-- |
-- |
-- |
||
|
124 (BR) |
-- |
Sensor ground (Refrigerant pressure sensor, EVAP control system pressure sensor) |
-- |
-- |
-- |
||
|
125 (L) |
128 (B) |
Fuel tank temperature sensor |
Input |
[Engine is running] |
Approximately 0 - 4.8 V Output voltage varies with fuel tank temperature |
||
|
126 (SB) |
127 (GR) |
Accelerator pedal position sensor 1 |
Input |
[Ignition switch: ON]
|
0.6 - 0.9 V |
||
|
[Ignition switch: ON]
|
3.9 - 4.7 V |
||||||
|
127 (GR) |
-- |
Sensor ground (Accelerator pedal position sensor 1) |
-- |
-- |
-- |
||
|
128 (B) |
-- |
ECM ground |
-- |
-- |
-- |
||
: 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 .