Electrical Specification
ENGINE CONTROL MODULE (ECM) CONNECTOR TERMINALS SIGNAL
| DESCRIPTION | Connector No. | Terminal No. | Signal (V) | NOTE | ||
|---|---|---|---|---|---|---|
| Ignition SW ON (engine OFF) | Engine ON (idling) | |||||
| Crankshaft position sensor | Signal (+) | B135 | 10 | 0 | -7 - +7 | Waveform |
| Signal (-) | B135 | 22 | 0 | 0 | - | |
| Shield | B135 | 31 | 0 | 0 | - | |
| Camshaft position sensor | Signal (+) | B135 | 11 | 0 | -7 - +7 | Waveform |
| Signal (-) | B135 | 23 | 0 | 0 | - | |
| Shield | B135 | 31 | 0 | 0 | - | |
| Electronic throttle control | Main | B136 | 18 | 0.64 - 0.72 Fully opens: 3.96 | 0.64 - 0.72 (After engine is warmed-up.) | Fully closed: 0.6 Fully open: 3.96 |
| Sub | B136 | 29 | 1.51 -1.58 Fully opens: 4.17 | 1.51 -1.58 (After engine is warmed-up.) | Fully closed: 1.48 Fully open: 4.17 |
|
| Electronic throttle control motor (+) | B137 | 5 | Duty waveform | Duty waveform | Drive frequency: 500 Hz | |
| Electronic throttle control motor (-) | B137 | 4 | Duty waveform | Duty waveform | Drive frequency: 500 Hz | |
| Electronic throttle control motor power supply | B137 | 6 | 10 - 13 | 13 - 14 | - | |
| Electronic throttle control motor relay | B135 | 35 | ON:0 OFF: 10 - 13 |
ON:0 OFF: 13-14 | When ignition switch is turned to ON: ON | |
| Accelerator position sensor | Main | B136 | 17 | Fully closed: 1 Fully opens: 3.3 |
Fully closed: 1 Fully opens: 3.3 |
- |
| Power supply | B136 | 15 | 5 | 5 | - | |
| Ground | B136 | 34 | 0 | 0 | - | |
| Sub | B136 | 28 | Fully closed: 1 Fully opens: 3.3 |
Fully closed: 1 Fully opens: 3.3 |
- | |
| Rear oxygen sensor | Signal | B137 | 24 | 0 | 0 - 0.9 | - |
| Shield | B137 | 31 | 0 | 0 | - | |
| Front oxygen (A/F) sensor heater | Signal 1 | B134 | 3 | 0 - 1.0 | 0 or 13 - 14 | Duty waveform |
| Signal 2 | B134 | 2 | 0-1.0 | 0 or 13-14 | Duty waveform | |
| Rear oxygen sensor heater signal | B135 | 2 | 0-1.0 | 0 or 13-14 | Duty waveform | |
| Engine coolant temperature sensor | B136 | 14 | 1.0-1.4 | 1.0 - 1.4 | After engine is warmed-up. | |
| Starter switch | B137 | 8 | 0 | 0 | Cranking: 8 - 14 | |
| Starter relay | B135 | 32 | ON:0 OFF: 10-13 |
ON:0 OFF: 13-14 |
- | |
| A/C switch | B137 | 16 | ON: 10-13 OFF:0 | ON: 13 - 14 OFF:0 | - | |
| Ignition switch | B137 | 15 | 10-13 | 13-14 | - | |
| Neutral position switch | AT | B137 | 9 | ON:0 OFF: 12+/-0.5 |
Switch is ON when select or shift lever is shifted into "P" or "N" range. (AT model) | |
| MT | ON: 12+/-0.5 OFF:0 |
Switch is ON when shift lever is shifted into "N" range. (MT model) | ||||
| Test mode connector | B137 | 14 | 5 | 5 | When connected: 0 | |
| Knock sensor | Signal | B136 | 25 | 2.8 | 2.8 | - |
| Shield | B136 | 33 | 0 | 0 | - | |
| Back-up power supply | B135 | 19 | 10-13 | 13-14 | Ignition switch "OFF": 10 - 13 | |
| Control module power supply | B135 | 6 | 10 - 13 | 13 - 14 | - | |
| B135 | 5 | 10 - 13 | 13 - 14 | - | ||
| Sensor power supply | B136 | 16 | 5 | 5 | - | |
| Ignition control | 1 | B135 | 18 | 0 | 1-3.4 | Waveform |
| 2 | B135 | 17 | 0 | 1-3.4 | Waveform | |
| Fuel injector | #1 | B136 | 6 | 10-13 | 1 -14 | Waveform |
| #2 | B136 | 5 | 10 - 13 | 1 -14 | Waveform | |
| #3 | B136 | 4 | 10-13 | 1 -14 | Waveform | |
| #4 | B136 | 3 | 10-13 | 1 -14 | Waveform | |
| Fuel pump relay control | B135 | 26 | ON: 0.5 or less OFF: 10-13 | 0.5 or less | - | |
| A/C relay control | B135 | 33 | ON: 0.5 or less OFF: 10-13 | ON: 0.5 or less OFF: 13-14 | - | |
| Radiator fan relay 1 control | B134 | 31 | ON: 0.5 or less OFF: 10-13 | ON: 0.5 or less OFF: 13-14 | - | |
| Radiator fan relay 2 control | B135 | 34 | ON: 0.5 or less OFF: 10-13 | ON: 0.5 or less OFF: 13-14 | - | |
| Self-shutoff control | B137 | 17 | 0.5 or less | 0.5 or less | - | |
| Malfunction indicator light | B134 | 17 | - | - | Light "ON": 1 or less Light "OFF": 10 - 14 |
|
| Engine speed output | B134 | 23 | - | 0 - 13 or more | Waveform | |
| Purge control solenoid valve | B134 | 14 | ON: 1 or less OFF: 10-13 |
ON: 1 or less OFF: 13-14 |
Duty waveform | |
| EGR solenoid valve | Signal A+ | B134 | 11 | 0 or 10 -13 | 0 or 10-13 | Waveform |
| Signal A- | B134 | 10 | 0 or 10-13 | 0 or 10-13 | Waveform | |
| Signal B+ | B134 | 9 | 0 or 10-13 | 0 or 10 -13 | Waveform | |
| Signal B- | B134 | 8 | 0 or 10-13 | 0 or 10 -13 | Waveform | |
| Power steering switch | B137 | 10 | ON: 1 or less OFF: 10-13 |
ON: 1 or less OFF: 13-14 |
- | |
| Blower fan switch | B137 | 13 | ON:0 OFF: 10-13 |
ON:0 OFF: 13 - 14 |
- | |
| A/C middle pressure switch | B136 | 30 | ON:0 OFF: 10-13 |
ON:0 OFF: 13-14 |
- | |
| Front oxygen (A/F) sensor signal 1 | B134 | 33 | - | 2.6 - 3.0 | - | |
| Front oxygen (A/F) sensor signal 2 | B134 | 26 | - | 2.2 - 2.6 | - | |
| Front oxygen (A/F) sensor shield | B134 | 25 | 0 | 0 | - | |
| Manifold absolute pressure sensor | B136 | 22 | 4.0 - 4.8 | 1.1 -1.9 | - | |
| Air flow sensor | Signal | B136 | 23 | - | 0.3 - 4.5 | - |
| Shield | B136 | 32 | 0 | 0 | - | |
| Ground | B136 | 31 | 0 | 0 | - | |
| Intake air temperature sensor | B136 | 13 | 3.15 - 3.33 | 3.15 - 3.33 | intake air temperature: 25°C (75°F) | |
| SSM communication line | B137 | 20 | Less than 1 <-- --> More than 4 | Less than 1 <-- --> More than 4 | - | |
| GND (sensor) | B136 | 35 | 0 | 0 | - | |
| GND (injector) | B137 | 7 | 0 | 0 | - | |
| GND (ignition system) | B135 | 12 | 0 | 0 | - | |
| GND (power supply) | B135 | 4 | 0 | 0 | - | |
| B135 | 1 | 0 | 0 | - | ||
| GND (control system) | B137 | 2 | 0 | 0 | - | |
| B137 | 1 | 0 | 0 | - | ||
| GND (Front oxygen (A/F) sensor heater 1) | B134 | 7 | 0 | 0 | - | |
| GND (Front oxygen (A/F) sensor heater 2) | B134 | 6 | 0 | 0 | - | |
| GND (Electronic throttle control) | B137 | 3 | 0 | 0 | - | |
| Main switch | B136 | 7 | ON:0 OFF: 5 |
ON:0 OFF: 5 |
- | |
| Clutch switch | B136 | 10 | When clutch pedal is depressed: 0 When clutch pedal is released: 10 -13 |
When clutch pedal is depressed: 0 When clutch pedal is released: 13 -14 |
- | |
| Brake switch 1 | B136 | 9 | When brake pedal is depressed: 0 When brake pedal is released: 10 - 13 |
When brake pedal is depressed: 0 When brake pedal is released: 13 -14 |
- | |
| Brake switch 2 | B136 | 8 | When brake pedal is depressed: 10 -13 When brake pedal is released: 0 |
When brake pedal is depressed: 13 -14 When brake pedal is released: 0 |
- | |
| Cruise control command switch | B136 | 11 | When operating nothing: 3.5 - 4.5 When operating SET/COAST: 0.5 - 1.5 When operating CANCEL: 0-0.5 |
When operating nothing: 3.5 - 4.5 When operating RES/ACC: 2.5 - 3.5 When operating SET/COAST: 0.5 - 1.5 When operating CANCEL: 0 - 0.5 |
- | |
| Fuel temperature sensor | B136 | 12 | 2.5 - 3.8 | 2.5 - 3.8 | Ambient temperature: 25°C (75°F) | |
| Fuel tank pressure sensor | B136 | 21 | 2.3 - 2.7 | 2.3 - 2.7 | Value after removing fuel filler cap and installing again | |
| Fuel tank sensor control valve | B134 | 24 | ON: 1 or less OFF: 10-13 | ON: 1 or less OFF: 13-14 | - | |
| Pressure control solenoid valve | B134 | 12 | ON: 1 or less OFF: 10-13 | ON: 1 or less OFF: 13-14 | -- | |
| Drain valve | B134 | 13 | ON: 1 or less OFF: 10-13 | ON: 1 or less OFF: 13-14 | - | |
| CAN communication line (+) | B137 | 18 | 2.5 - 3.5 | 2.5 - 3.5 | Waveform | |
| CAN communication line (-) | B137 | 26 | 1.5 - 2.5 | 1.5 - 2.5 | Waveform | |
| AT/MT identification switch | B137 | 22 | 0 | 0 | MT model | |