3. ECM Terminal Input/Output Signal
[CONNECTOR C30-1]
ECM TERMINAL DESCRIPTION CHART (C30-1)
| PIN NO. | Description | Vehicle State | Input, output value | Remark | |
|---|---|---|---|---|---|
| Type | Range | ||||
| 1 | Ignition switch | IG ON | DC | Vbatt | |
| IG OFF | 0 ~ 0.5 Volt | ||||
| 2 | Not connected | ||||
| 3 | Diagnosis line (K-line) | IG ON | PULSE | ||
| 4 | ECM ground | ALWAYS | Static signal | 0 ~ 0.5 Volt | |
| 5 | Power stage 1 ground | ALWAYS | Static signal | 0 ~ 0.5 Volt | |
| 6 | Power stage 2 ground | ALWAYS | Static signal | 0 ~ 0.5 Volt | |
| 7 | Battery voltage | ALWAYS | DC | Battery Voltage | |
| 8 | Battery voltage after main relay | IG ON | DC | Battery Voltage | |
| IG OFF | 0 ~ 0.5 Voltage | ||||
| 9 | Battery voltage after main relay | IG ON | DC | Battery Voltage | |
| IG OFF | 0 ~ 0.5 Voltage | ||||
[CONNECTOR C30-2]
ECM TERMINAL DESCRIPTION CHART (C30-2)
| PIN NO. | Description | Vehicle State | Input, output value | Remark | |
|---|---|---|---|---|---|
| Type | Range | ||||
| 1 | HO2S heater (B1/S1) | Engine RUN | PWM | ||
| 2 | Not connected | ||||
| 3 | Not connected | ||||
| 4 | Not connected | ||||
| 5 | Not connected | ||||
| 6 | Not connected | ||||
| 7 | HO2S heater (B1/S2) | Engine RUN | PWM | ||
| 8 | HO2S shield (B1/S1) | Static signal | 0 Volt | ||
| 9 | HO2S shield (B2/S1) | Static signal | 0 Volt | ||
| 10 | HO2S shield (B1/S2) | Static signal | 0 Volt | ||
| 11 | HO2S shield (B2/S2) | Static signal | 0 Volt | ||
| 12 | Not connected | ||||
| 13 | HO2S heater (B2/S1) | Engine RUN | PWM | ||
| 14 | HO2S input (B1/S1) | 3000 RPM after warm-up | PULSE | ||
| 15 | HO2S input (B2/S1) | 3000 RPM after warm-up | PULSE | ||
| 16 | HO2S input (B1/S2) | Racing | PULSE | ||
| 17 | Fuel consumption signal | Engine RUN | PULSE | ||
| 18 | HO2S input (B2/S2) | Racing | PULSE | ||
| 19 | HO2S heater (B1/S2) | Engine RUN | PWM | ||
| 20 | HO2S ground (B1/S1) | 3000 RPM after warm-up | PULSE | 0 ~ 0.4 Volt | |
| 21 | HO2S ground (B2/S1) | 3000 RPM after warm-up | PULSE | 0 ~ 0.4 Volt | |
| 22 | HO2S ground (B1/S2) | 3000 RPM after warm-up | PULSE | 0 ~ 0.4 Volt | |
| 23 | Main relay | IG OFF after warm-up | DC | 0 ~ 1 Volt Vbatt | |
| 24 | HO2S ground (B2/S2) | 3000 RPM after warm-up | PULSE | 0 ~ 0.4 Volt | |
[CONNECTOR C30-3]
ECM TERMINAL DESCRIPTION CHART
| PIN NO. | Description | Vehicle State | Input, output value | Remark | |
|---|---|---|---|---|---|
| Type | Range | ||||
| 1 | MAFs signal input | IDLE 2000 RPM | Analog | 0.5 Volt 1 Volt | |
| 2 | Not connected | ||||
| 3 | Not connected | ||||
| 4 | Not connected | ||||
| 5 | Not connected | ||||
| 6 | Not connected | ||||
| 7 | Not connected | ||||
| 8 | CKPS signal input | IDLE 3000 RPM | Frequency | ||
| 9 | Not connected | ||||
| 10 | TPS Supply | After IG ON | DC | VCC | |
| 11 | Not connected | ||||
| 12 | Not connected | ||||
| 13 | Not connected | ||||
| 14 | Not connected | ||||
| 15 | Not connected | ||||
| 16 | Not connected | ||||
| 17 | MAFS ground | Static signal | 0 ~ 0.5 Volt | ||
| 18 | Not connected | ||||
| 19 | TPS signal input | IDLE Wide open | Analog | 0.25 ~ 0.8 Volt 4.25 ~ 4.7 Volt |
|
| 20 | TPS ground | Static signal | 0 ~ 0.5 Volt | ||
| 21 | CKPS ground | Static signal | 0 ~ 0.5 Volt | ||
| 22 | Signal input | 0°C 20°C | Analog | 4.3 Volt 3.44 Volt |
|
| 23 | IATS ground | Static signal | 0 ~ 0.5 Volt | ||
| 24 | ECTS signal input | COLD (20°C) WARM (80°C) | Analog | 3.44 Volt 1.25 Volt |
|
| 25 | ECTS ground | Static signal | 0 ~ 0.5 Volt | ||
| 26 | POWER STEERING LOAD INPUT | ON OFF | DC | 0 ~ 0.5 Volt Vbatt | |
| 27 | Not connected | ||||
| 28 | Not connected | ||||
| 29 | Knock sensor 1, input A (CYL 2/4/6) | Knocking Normal | Frequency | -0.3 ~ 0.3 Volt 0 Volt |
|
| 30 | Knock sensor 2, input B (CYL 1/3/5) | ||||
| 31 | Knock sensor 2, input B (CYL 2/4/6) | Knocking Normal | Frequency | -0.3 ~ 0.3 Volt 0 Volt |
|
| 32 | Knock sensor 2, input B (CYL 2/4/6) | ||||
| 33 | Injector output (CYL.1) | IG ON 3000 RPM | DC (PWM) | ||
| 34 | Injector output (CYL.2) | IG ON 3000 RPM | DC (PWM) | ||
| 35 | Injector output (CYL.3) | IG ON 3000 RPM | DC (PWM) | ||
| 36 | Injector output (CYL.4) | IG ON 3000 RPM | DC (PWM) | ||
| 37 | Injector output (CYL5) | DC (PWM) | |||
| 38 | Injector output (CYL.6) | DC (PWM) | |||
| 39 | Not connected | ||||
| 40 | Not connected | ||||
| 41 | Not connected | ||||
| 42 | Canister purge sol. v/v contort | Inactive Active (After warm up & racing) | PULSE PWM | ||
| 43 | Not connected | ||||
| 44 | Not connected | ||||
| 45 | VIS solenoid output | 0 ~ 0.5 Volt 14 Volt | |||
| 46 | ISCA PWM output 2 | Idle (close) | PWM | ||
| 47 | ISCA PWM output 1 | Idle (open) | PWM | ||
| 48 | Knock sensor shield | GND | 0 ~ 0.5 Volt | ||
| 49 | Not connected | ||||
| 50 | Not connected | ||||
| 51 | Not connected | ||||
| 52 | VIS solenoid 2 output | ON OFF | DC | 0 ~ 0.5 Volt 14 Volt |
|
[CONNECTOR C30-4]
ECM TERMINAL DESCRIPTION CHART
| PIN NO. | Description | Vehicle State | Input, output value | Remark | |
|---|---|---|---|---|---|
| Type | Range | ||||
| 1 | Not connected | ||||
| 2 | Not connected | ||||
| 3 | Not connected | ||||
| 4 | Fuel tank pressure sensor supply | IG ON | Static signal | 5V | |
| IG OFF | 0 ~ 0.5V | ||||
| 5 | Fuel level sender signal | DC | 0~Vcc | ||
| 6 | Not connected | ||||
| 7 | CMPS signal input | IDLE (after cranking) | Frequency | ||
| 8 | CMPS ground | Static signal | 0~0.5 Volt | ||
| 9 | Not connected | ||||
| 10 | Fuel pump relay | IG SW ON IDLE | DC | Vbatt 0~0.5 Volt | |
| 11 | Not connected | ||||
| 12 | Not connected | ||||
| 13 | TPS PWM output to EPS/ECS | C.T W.O.T | Engine run 5% DUTY (C.T) 91% DUTY (W.O.T) | ||
| 14 | Fuel tank pressure sensor ground | GND | 0 ~ 0.5Volt | ||
| 15 | Fuel level sender ground | GND | 0~0.5 Volt | ||
| 16 | Not connected | ||||
| 17 | ENGINE SPEED SIGNAL | ENGINE RUN | Frequency | ||
| 18 | FAN LOW RELAY | FAN ON FAN OFF | DC | 0~0.5 Volt Vbatt | |
| 19 | Not connected | ||||
| 20 | MIL | During IG ON after START | DC | 0~0.5 Volt Vbatt | |
| 21 | Not connected | ||||
| 22 | Vehicle speed Sensor signal/Wheel speed Sensor signal (ABS) | Vehicle RUN (80km/h) | PULSE | ||
| 250Hz from ABS | |||||
| 25Hz from VSP | |||||
| 23 | A/C COMP. SW (HI/LOW) | SW OFF SW ON | DC | 0~0.5 Volt Vbatt | |
| 24 | A/C SW | SW OFF SW ON | DC | 0~0.5 Volt Vbatt | |
| 25 | A/C COMP. SW (MID) | SW OFF SW ON | DC | 0~0.5 Volt Vbatt | |
| 26 | Not connected | ||||
| 27 | Not connected | ||||
| 28 | Not connected | ||||
| 29 | A/CON COMPRESSOR RELAY | A/C ON A/C OFF | DC | 0~0.5 Volt Vbatt | |
| 30 | CCV control | CLOSE OPEN | DC | Vbatt 0 ~ 0.5Volt | |
| 31 | Not connected | ||||
| 32 | Not connected | ||||
| 33 | FTPS input | Engine run | ANALOG | ||
| 34 | Not connected | ||||
| 35 | Not connected | ||||
| 36 | CAN(HIGH) | Recessive Dominant | DC | 2.0~3.0 Volt 2.75~4.5 Volt |
|
| 37 | CAN (LOW) | Recessive Dominant | DC | 2.0~3.0Volt 0.5~2.25Volt |
|
| 38 | Wheel speed sensor ground | Static signal | 0V | ||
| 39 | Wheel speed sensor signal | Run Vehicle | |||
| 40 | Ran relay (high) | FAN OFF | DC | V batt | |
[CONNECTOR C30-5]
ECM TERMINAL DESCRIPTION CHART
| PIN NO. | Description | Vehicle State | Input, output value | Remark | |
|---|---|---|---|---|---|
| Type | Range | ||||
| 1 | Ignition Coil 3 (CYL.3/6) | ENGINE RUN | PULSE | ||
| 2 | Ignition Coil 3 (CYL.2/5) | ENGINE RUN | PULSE | ||
| 3 | Ignition Coil 1 (CYL.1/4) | ENGINE RUN | PULSE | ||
| 4 | Not connected | ||||
| 5 | Ignition power stages ground | Static ground | 0 Volt | ||
| 6 | Not connected | ||||
| 7 | Not connected | ||||
| 8 | Not connected | ||||
| 9 | Not connected | ||||