Terminals Of ECM
ECM TERMINALS SPECIFICATIONS
| Symbols (Terminals No.) | Wiring Color | Terminal Description | Condition | STD Voltage (V) |
|---|---|---|---|---|
| BATT (E3 - 3) - E1 (E6 - 7) | B-Y - BR | Battery (for measuring the battery voltage and for the ECM memory) | Always | 8 to 14 |
| FC (E3 10) E1 (E6 7) | G R - BR | Fuel pump control | IG switch ON | 8 to 14 |
| Idling | Below 3.5 | |||
| W (E3 11) E1 (E6 7) | Y-G BR | MIL | Idling | 8 to 14 |
| IG switch ON | Below 3.5 | |||
| +B (E3 - 1) - E1 (E6 - 7) | B-R - BR | Power source of ECM | IG switch ON | 8 to 14 |
| STP (E4 19) E1 (E6 7) | G-W-BR | Stop light switch | Brake pedal depressed | 8 to 14 |
| Brake pedal released | Below 1.5 | |||
| F/PS (E3 - 14) - E1 (E6 - 7) | B - BR | Airbag sensor | IG switch ON | Pulse generation |
| STA (E6 - 9) - E1 (E6 - 7) | B-Y - BR | Starter signal | Cranking | 5.5 or more |
| PSP (E6 - 29) - E1 (E6 - 7) | Y - BR | Power steering oil pressure sensor | IG switch ON | 8 to 14 |
| SPD (E4 - 17) - E1 (E6 - 7) | V-W - BR | Speed signal from combination meter | IG switch ON, rotate driving wheel slowly | Pulse generation (See DTC P0500 VEHICLE SPEED SENSOR "A" ) |
| TACH (E3 - 5) - E1 (E6 - 7) | B - BR | Engine speed | Idling | Pulse generation |
| VC (E5 - 18) - E2 (E5 - 28) | R-W - BR | Power source of sensor (a specific voltage) | IG switch ON | 4.5 to 5.5 |
| PRG (E5 - 12) - E01 (E5 - 7) | W-G - BR | VSV for EVAP | IG switch ON | 8 to 14 |
| CCV (E4 - 1) - E1 (E6 - 7) | L - BR | VSV for CCV | IG switch ON | 9 to 14 |
| PTNK (E3 - 21) - E2 (E5 - 28) | B - BR | Vapor pressure sensor | Ignition switch ON | 2.9 to 3.7 |
| Apply vacuum 4.0 kPa (30 mmHG, 1.18 in.Hg) | Below 0.5 | |||
| VG (E6 - 24) - EVG (E6 - 32) | P - V | Mass air flow sensor | Idling, A/C switch OFF | 1.1 to 1.5 |
| OXL1 (E6 - 23) - E2 (E5 - 28) | W - BR | Heated oxygen sensor (bank1, sensor1) | Maintain engine speed at 2,500 rpm for 2 min. after warning up | Pulse generation (See DTC P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) ) |
| HTL (E6 4) E03 (E6 5) | B-R BR | Heated oxygen sensor heater (bank1, sensor1) | Idling | Below 3.0 |
| IG switch ON | 9 to 14 | |||
| OXL2 (E6 - 21) - E2 (E5 - 28) | B - BR | Heated oxygen sensor (bank1, sensor2) | Maintain engine speed at 2,500 rpm for 2 min. after warning up | Pulse generation (See DTC P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) ) |
| HTL2 (E4 4) E03 (E6 5) | W-L BR | Heated oxygen sensor heater (bank1, sensor2) | Idling | Below 3.0 |
| IG switch ON | 9 to 14 | |||
| THW (E5 - 19) - E2 (E5 - 28) | R-L - BR | Engine coolant temperature sensor | Idling, Engine coolant temp. at 80°C (176°F) | 0.2 to 1.0 |
| G2 (E5 - 26) - NE- (E5 - 34) | B - W | Camshaft position sensor | Idling | Pulse generation (See DTC P0340 CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR), DTC P0341 CAMSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE (BANK 1 SINGLE SENSOR) ) |
| NE (E5 - 27) - NE- (E5 - 34) | O - W | Crankshaft position sensor | Idling | Pulse generation (See DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT, DTC P0339 CRANKSHAFT POSITION SENSOR "A" CIRCUIT INTERMITTENT ) |
| THA (E5 - 20) - E2 (E5 - 28) | Y-B - BR | Intake air temperature sensor | Idling, intake air temp. at 20°C (68°F) | 0.5 to 3.4 |
| VTA (E5 21) E2 (E5 28) | Y-R-BR | Throttle position sensor | IG switch ON, throttle valve fully closed | 0.3 to 1.0 |
| IG switch ON, throttle valve fully open | 3.2 to 4.9 | |||
| #1 (E5 - 1) - E01 (E5 - 7) | B-O - BR | Injector | IG switch ON | 8 to 14 |
| #2 (E5 - 2) - E01 (E5 - 7) | B-Y - BR | |||
| #3 (E5 - 3) - E01 (E5 - 7) | B-W - BR | |||
| #4 (E5 - 4) - E01 (E5 - 7) | B-L - BR | |||
| IGT1 (E5 - 8) - E1 (E6 - 7) | G-R - BR | Ignition coil and igniter (ignition signal) | Idling | Pulse generation (See DTC P0351 IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT, DTC P0352 IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT, DTC P0353 IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT, DTC P0354 IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT ) |
| IGT2 (E5 - 9) - E1 (E6 - 7) | G-B - BR | |||
| IGT3 (E5 - 10) - E1 (E6 - 7) | G-O - BR | |||
| IGT4 (E5 - 11) - E1 (E6 - 7) | G-Y - BR | |||
| IGF (E5 - 23) - E1 (E6 - 7) | Y - BR | Ignition coil and igniter (ignition confirmation signal) | IG switch ON | 4.5 to 5.5 |
| Idling | Pulse generation (See DTC P0351 IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT, DTC P0352 IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT, DTC P0353 IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT, DTC P0354 IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT ) | |||
| RSD (E5 - 5) - E01 (E5 - 7) | B-R - BR | Idle air control valve | IG switch ON | 9 to 14 |
| OCV+ (E5 - 15) - OCV- (E5 - 14) | R-Y - R-B | Camshaft timing oil control valve | IG switch ON | Pulse generation (See DTC P0010 CAMSHAFT POSITION "A" ACTUATOR CIRCUIT (BANK 1) ) |
| KNK1 (E6 - 1) - E1 (E6 - 7) | W - BR | Knock sensor | Idling | Pulse generation (See DTC P0325 KNOCK SENSOR 1 CIRCUIT (BANK 1 OR SINGLE SENSOR) ) |
| TC (E3 - 20) - E1 (E6 - 7) | P-B - BR | Terminal TC of DLC 3 | IG switch ON | 9 to 14 |
| SIL (E3 - 18) - E1 (E6 - 7) | W - BR | Terminal SIL of DLC3 | Connect hand-held tester to DLC3 | Pulse generation |