Electrical Specification
ENGINE CONTROL MODULE (ECM) CONNECTOR TERMINALS REFERENCE
| 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 | - | |
| Rear oxygen sensor | Signal | B137 | 25 | 0 | 0 - 0.9 | - |
| Shield | B137 | 31 | 0 | 0 | - | |
| GND (sensor) | B136 | 35 | 0 | 0 | - | |
| Front oxygen (A/F) sensor heater | Signal 1 | B134 | 3 | - | - | Waveform |
| Signal 2 | B134 | 2 | - | - | Waveform | |
| Rear oxygen sensor heater signal | B135 | 2 | 0 - 13 | 13 - 14 | Waveform | |
| Engine coolant temperature sensor | Signal | B136 | 14 | 1.0 - 1.4 | 1.0 - 1.4 | After engine is warmed-up. |
| GND (sensor) | B136 | 35 | 0 | 0 | After engine is warmed-up. | |
| Air flow sensor | Signal | B136 | 23 | - | 0.3 - 4.5 | - |
| Shield | B136 | 32 | 0 | 0 | - | |
| GND | B136 | 31 | 0 | 0 | - | |
| Intake air temperature sensor signal | B136 | 13 | 0.3 - 4.6 | 0.3 - 4.6 | - | |
| Wastegate control solenoid valve | B134 | 32 | 0 or 10 - 13 | 0 or 13 - 14 | Waveform | |
| Starter switch | B137 | 8 | 0 | 0 | Cranking: 8 - 14 | |
| A/C switch | B137 | 17 | ON: 10 - 13 OFF: 0 | ON: 13 - 14 OFF: 0 | - | |
| Ignition switch | B137 | 14 | 10 - 13 | 13 - 14 | - | |
| Neutral position switch (MT) | B137 | 9 | ON: 10 - 13 OFF: 0 | ON: 13 - 14 OFF: 0 | - | |
| Neutral position switch (AT) | B137 | 9 | ON: 0 OFF: 10 - 13 | ON: 0 OFF: 13 - 14 | - | |
| Test mode connector | B137 | 15 | 10 - 13 | 13 - 14 | 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 | 5 | 10 - 13 | 13 - 14 | - | |
| B135 | 6 | 10 - 13 | 13 - 14 | - | ||
| Sensor power supply | B136 | 16 | 5 | 5 | - | |
| Ignition control | #1 | B135 | 18 | 0 | 13 - 14 | Waveform |
| #2 | B135 | 17 | 0 | 13 - 14 | Waveform | |
| #3 | B135 | 16 | 0 | 13 - 14 | Waveform | |
| #4 | B135 | 15 | 0 | 13 - 14 | 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 control unit | Signal 1 | B137 | 28 | 10 - 13 | 13 - 14 | - |
| Signal 2 | B135 | 27 | 0 or 5 | 0 or 5 | Waveform | |
| 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 | B135 | 25 | ON: 0.5 or less OFF: 10 - 13 | ON: 0.5 or less OFF: 13-14 | - | |
| Radiator fan relay 2 control | B135 | 24 | ON: 0.5 or less OFF: 10 - 13 | ON: 0.5 or less OFF: 13 - 14 | Model with A/C | |
| 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 | Waveform | |
| Manifold absolute pressure sensor | Signal | B136 | 22 | 1.7 - 2.4 | 1.1 - 1.6 | - |
| Power supply | B136 | 16 | 5 | 5 | ||
| GND (sensor) | B136 | 35 | 0 | 0 | ||
| Power steering oil pressure switch | B137 | 10 | 10 - 13 | ON: 0 OFF: 13 - 14 | - | |
| Front oxygen (A/F) sensor signal (+) | B134 | 33 | 2.8 - 3.2 | 2.8 - 3.2 | - | |
| Front oxygen (A/F) sensor signal (-) | B134 | 26 | 2.4 - 2.7 | 2.4 - 2.7 | - | |
| Front oxygen (A/F) sensor shield | B134 | 25 | 0 | 0 | - | |
| SSM communication line | B137 | 20 | Less than 1 <-- --> More than 4 | Less than 1 <-- --> More than 4 | - | |
| GND (injector) | B137 | 7 | 0 | 0 | - | |
| GND (sensor) | B136 | 35 | 0 | 0 | - | |
| GND (ignition system) | B135 | 12 | 0 | 0 | - | |
| GND (power supply) | B135 | 4 | 0 | 0 | - | |
| B135 | 1 | 0 | 0 | - | ||
| GND (control system) | B137 | 1 | 0 | 0 | - | |
| B137 | 2 | 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 | - | |
| Intake camshaft position sensor (LH) | B135 | 8 | 0 or 5 | 0 or 5 | Waveform | |
| Intake camshaft position sensor(RH) | B135 | 9 | 0 or 5 | 0 or 5 | Waveform | |
| Electronic throttle control | Main | B136 | 18 | 0.64 - 0.72 Fully open: 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 open: 4.17 | 1.51 - 1.58 (After engine is warmed-up.) | Fully closed: 1.48 Fully open: 4.17 | |
| Power supply | B136 | 16 | 5 | 5 | - | |
| GND (sensor) | B136 | 35 | 0 | 0 | - | |
| 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 | |
| Intake AVCS solenoid (LH) | Signal (+) | B134 | 19 | ON: 10 - 13 OFF: 0 | ON: 13 - 14 OFF: 0 | - |
| Signal (-) | B134 | 29 | 0 | 0 | - | |
| Intake AVCS solenoid (RH) | Signal (+) | B134 | 18 | ON: 10 - 13 OFF:0 | ON: 13 - 14 OFF: 0 | - |
| Signal (-) | B134 | 28 | 0 | 0 | - | |
| Accelerator position sensor | Main | B136 | 17 | Fully closed: 1 Fully open: 3.3 | Fully closed: 1 Fully open: 3.3 | - |
| Power supply | B136 | 15 | 5 | 5 | - | |
| GND (sensor) | B136 | 34 | 0 | 0 | - | |
| Sub | B136 | 28 | Fully closed: 1 Fully open: 3.3 | Fully closed: 1 Fully open: 3.3 | - | |
| Shield | B137 | 2 | 0 | 0 | - | |
| Power supply | B136 | 16 | 5 | 5 | - | |
| GND (sensor) | B136 | 35 | 0 | 0 | - | |
| Starter relay | B135 | 32 | ON: 0 OFF: 10 - 13 | ON: 0 OFF: 13 - 14 | ON: Cranking | |
| A/C middle pressure switch | B136 | 30 | ON: 0 OFF: 10 - 13 | ON: 0 OFF: 13 - 14 | - | |
| Clutch switch | B134 | 1 | 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 RES/ACC: 2.5 - 3.5 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 | - | |
| Cruise control main switch | B136 | 7 | ON: 0 OFF: 5 | ON: 0 OFF: 5 | - | |
| Exhaust gas temperature sensor | B136 | 24 | - | - | - | |
| Fuel tank pressure sensor | B136 | 21 | 2.3 - 2.7 | 2.3 - 2.7 | - | |
| Fuel tank 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 | - | |
| Fuel tank sensor control valve | B134 | 24 | ON: 1 or less OFF: 10 - 13 | ON: 1 or less OFF: 13 - 14 | - | |
| Fuel temperature sensor signal | B136 | 12 | 2.5 - 3.8 | 2.5 - 3.8 | Ambient temperature: 25°C | |
| Immobilizer | Signal 1 | B137 | 19 | - | - | - |
| Signal 2 | B137 | 27 | - | - | - | |
| CAN Communication (+) | B137 | 18 | - | - | - | |
| CAN Communication (-) | B137 | 26 | - | - | - | |
| AT/MT identification signal | B134 | 34 | 0 | 0 | - | |
| Blow-by leak diagnosis signal | B137 | 24 | 0 | 0 | - | |
| Tumble generator valve position sensor RH | B136 | 27 | Fully closed: 3.8 - 4.9 Fully opened: 0.2 - 0.9 | Fully closed: 3.8 - 4.9 Fully opened: 0.2 - 0.9 | - | |
| Tumble generator valve position sensor LH | B136 | 26 | Fully closed: 3.8 - 4.9 Fully opened: 0.2 - 0.9 | Fully closed: 3.8 - 4.9 Fully opened: 0.2 - 0.9 | - | |
| Tumble generator valve RH (close) | B134 | 8 | 0 or 10 -13 | O or 13 - 14 | - | |
| Tumble generator valve LH (close) | B134 | 10 | 0 or 10 - 13 | 0 or 13 - 14 | - | |
| Tumble generator valve RH (open) | B134 | 9 | O or 10 - 13 | 0 or 13 - 14 | - | |
| Tumble generator valve LH (open) | B134 | 11 | 0 or 10 - 13 | 0 or 13 - 14 | - | |