Hyundai Equus: Engine Control Module (ECM) Schematic Diagrams
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM) Schematic Diagrams
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM) Schematic Diagrams
| ECM Terminal And Input / Output signal |
| ECM Harness Connector |
| ECM Terminal Function |
Connector [C200-A]
| Pin No. | Description | Connected to |
| 1 | Ignition Coil (Cylinder #3) control output | Ignition Coil (Cylinder #3) |
| 2 | Ignition Coil (Cylinder #6) control output | Ignition Coil (Cylinder #6) |
| 3 | Engine speed signal output | Power Distribution Module (PDM) |
| 4 | Injector (Cylinder #2) control output | Injector Driver Box (IDB) |
| 5 | Injector (Cylinder #1) control output | Injector Driver Box (IDB) |
| 6 | Fuel Tank Pressure Sensor (FTPS) signal input | Fuel Tank Pressure Sensor (FTPS) |
| 7 | Fuel Level Sensor (FLS) [TOTAL] signal input | Fuel Level Sensor (FLS) |
| 8 | A/C Pressure Transducer (APT) signal input | A/C Pressure Transducer (APT) |
| 9 | - | |
| 10 | Sensor ground | A/C Pressure Transducer (APT) |
| 11 | - | |
| 12 | Crankshaft Position Sensor (CKPS) [High] signal input | Crankshaft Position Sensor (CKPS) |
| 13 | - | x |
| 14 | Main Relay control output | Main Relay |
| 15 | Injector (Cylinder #6) control output | Injector Driver Box (IDB) |
| 16 | Ignition Coil (Cylinder #2) control output | Ignition Coil (Cylinder #2) |
| 17 | Ignition Coil (Cylinder #4) control output | Ignition Coil (Cylinder #4) |
| 18 | - | x |
| 19 | Injector (Cylinder #7) control output | Injector Driver Box (IDB) |
| 20 | Purge Control Solenoid Valve (PCSV) control output | Purge Control Solenoid Valve (PCSV) |
| 21 | Canister Close Valve (CCV) control output | Canister Close Valve (CCV) |
| 22 | - | |
| 23 | - | x |
| 24 | Sensor ground | Fuel Tank Pressure Sensor (FTPS) |
| 25 | Sensor ground | Manifold Absolute Pressure Sensor (MAPS) |
| 26 | - | |
| 27 | Crankshaft Position Sensor (CKPS) [Low] signal input | Crankshaft Position Sensor (CKPS) |
| 28 | Sensor ground | Rail Pressure Sensor (RPS) |
| 29 | Fuel Level Sensor (FLS) [MIDDLE] signal input | Fuel Level Sensor (FLS) |
| 30 | Injector (Cylinder #4) control output | Injector Driver Box (IDB) |
| 31 | Ignition Coil (Cylinder #5) control output | Ignition Coil (Cylinder #5) |
| 32 | Ignition Coil (Cylinder #8) control output | Ignition Coil (Cylinder #8) |
| 33 | Injector (Cylinder #8) control output | Injector Driver Box (IDB) |
| 34 | CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output | CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] |
| 35 | CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output | CVVT Oil Control Valve (OCV) [Bank 1/Intake] |
| 36 | - | |
| 37 | - | x |
| 38 | Fuel Pump Relay control output | Fuel Pump Relay |
| 39 | Manifold Absolute Pressure Sensor (MAPS) signal input | Manifold Absolute Pressure Sensor (MAPS) |
| 40 | - | x |
| 41 | Sensor ground | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] |
| 42 | - | x |
| 43 | Sensor ground | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
| 44 | 2nd CAN [Low] | Multi-Purpose Check Connector |
| 45 | Injector (Cylinder #3) control output | Injector Driver Box (IDB) |
| 46 | Ignition Coil (Cylinder #1) control output | Ignition Coil (Cylinder #1) |
| 47 | Ignition Coil (Cylinder #7) control output | Ignition Coil (Cylinder #7) |
| 48 | ETC Motor [+] control output | ETC Motor |
| 49 | - | x |
| 50 | ETC Motor [-] control output | ETC Motor |
| 51 | Malfunction Indicator Lamp (MIL) control output | Malfunction Indicator Lamp (MIL) |
| 52 | - | x |
| 53 | - | x |
| 54 | Cooling Fan (PWM) control output | Cooling Fan Control Module |
| 55 | - | x |
| 56 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] signal input | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] |
| 57 | - | x |
| 58 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] signal input | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
| 59 | 2nd CAN [High] | Multi-Purpose Check Connector |
| 60 | Injector (Cylinder #5) control output | Injector Driver Box (IDB) |
Connector [C200-K]
| Pin No. | Description | Connected to |
| 1 | Ignition Coil ground | Chassis Ground |
| 2 | Electronic power ground | Chassis Ground |
| 3 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] |
| 4 | ECM ground | Chassis Ground |
| 5 | Battery power (B+) | Main Relay |
| 6 | Battery power (B+) | Main Relay #2 |
| 7 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] |
| 8 | LIN (Local Interconnect Network) Serial Bus Line | Battery Sensor |
| 9 | Knock Sensor (KS) [Bank 1/Front] [High] signal input | Knock Sensor (KS) [Bank 1/Front] |
| 10 | Knock Sensor (KS) [Bank 1/Rear] [High] signal input | Knock Sensor (KS) [Bank 1/Rear] |
| 11 | Sensor ground | Throttle Position Sensor (TPS) |
| 12 | Sensor ground | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] |
| 13 | Rail Pressure Sensor (RPS) signal input | Rail Pressure Sensor (RPS) |
| 14 | Throttle Position Sensor (TPS) 1 signal input | Throttle Position Sensor (TPS) 1 |
| 15 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] |
| 16 | - | x |
| 17 | - | x |
| 18 | - | x |
| 19 | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] |
| 20 | - | x |
| 21 | Start Relay signal input | Power Distribution Module (PDM) |
| 22 | Sensor ground | Camshaft Position Sensor (CMPS) [Bank 1/Intake] |
| 23 | Sensor power (+5V) | Manifold Absolute Pressure Sensor (MAPS) |
| Throttle Position Sensor (TPS) 1,2 | ||
| 24 | Sensor power (+5V) | Accelerator Position Sensor (APS) 1 |
| 25 | Battery power (B+) | Ignition Switch |
| 26 | Alternator Voltage Set point | Alternator |
| 27 | - | x |
| 28 | - | x |
| 29 | - | x |
| 30 | Sensor ground | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] |
| 31 | Knock Sensor (KS) [Bank 1/Front] [Low] signal input | Knock Sensor (KS) [Bank 1/Front] |
| 32 | Knock Sensor (KS) [Bank 1/Rear] [Low] signal input | Knock Sensor (KS) [Bank 1/Rear] |
| 33 | Sensor ground | Engine Coolant Temperature Sensor (ECTS) |
| 34 | - | x |
| 35 | Intake Air Temperature Sensor (IATS) signal input | Intake Air Temperature Sensor (IATS) |
| 36 | Engine Coolant Temperature Sensor (ECTS) signal input | Engine Coolant Temperature Sensor (ECTS) |
| 37 | Acceclerator Position Sensor (APS) 1 signal input | Accelerator Position Sensor (APS) 1 |
| 38 | Throttle Position Sensor (TPS) 2 signal input | Throttle Position Sensor (TPS) 2 |
| 39 | Electric Load signal input | Head Lamp Relay |
| 40 | Brake Switch 2 signal input | Brake Switch |
| 41 | Brake Switch 1 signal input | Brake Switch |
| 42 | - | x |
| 43 | - | x |
| 44 | - | |
| 45 | Sensor power (+5V) | Accelerator Position Sensor (APS) 2 |
| A/C Pressure Transducer (APT) | ||
| Fuel Tank Pressure Sensor (FTPS) | ||
| 46 | Sensor power (+5V) | Rail Pressure Sensor (RPS) |
| 47 | - | x |
| 48 | Start Relay control output | Start Relay |
| 49 | Sensor ground | Camshaft Position Sensor (CMPS) [Bank 2/Intake] |
| 50 | - | |
| 51 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] |
| 52 | Knock Sensor (KS) [Bank 2/Front] [Low] signal input | Knock Sensor (KS) [Bank 2/Front] |
| 53 | Knock Sensor (KS) [Bank 2/Rear] [Low] signal input | Knock Sensor (KS) [Bank 2/Rear] |
| 54 | Sensor ground | Accelerator Position Sensor (APS) 1 |
| 55 | Sensor ground | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] |
| 56 | - | x |
| 57 | - | x |
| 58 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] |
| 59 | Sensor ground | Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] |
| 60 | Fuel supply power #2 [ON] signal output | Injector drive Box (IDB) |
| 61 | - | x |
| 62 | Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input | Camshaft Position Sensor (CMPS) [Bank 2/Intake] |
| 63 | - | x |
| 64 | Vehicle speed signal input | ESC Control Module |
| 65 | - | |
| 66 | CAN [Low] | Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector |
| 67 | Immobilizer communication line | Immobilizer Control Module |
| 68 | Fuel supply power #1 [ON] signal output | Injector drive Box (IDB) |
| 69 | Fuel supply power #2 [SEL 1] signal output | Injector drive Box (IDB) |
| 70 | Fuel supply power #1 [SEL 0] signal output | Injector drive Box (IDB) |
| 71 | - | x |
| 72 | - | x |
| 73 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
| 74 | Knock Sensor (KS) [Bank 2/Front] [High] signal input | Knock Sensor (KS) [Bank 2/Front] |
| 75 | Knock Sensor (KS) [Bank 2/Rear] [High] signal input | Knock Sensor (KS) [Bank 2/Rear] |
| 76 | Sensor ground | Accelerator Position Sensor (APS) 2 |
| 77 | - | x |
| 78 | - | |
| 79 | - | x |
| 80 | - | x |
| 81 | Accelerator Position Sensor (APS) 2 signal input | Accelerator Position Sensor (APS) 2 |
| 82 | - | x |
| 83 | Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input | Camshaft Position Sensor (CMPS) [Bank 1/Intake] |
| 84 | Alternator "FR" signal input | Alternator |
| 85 | Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input | Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] |
| 86 | Battery Power (B+) | Battery |
| 87 | - | x |
| 88 | CAN [High] | Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector |
| 89 | Fuel supply power #1 [SEL 1] signal output | Injector drive Box (IDB) |
| 90 | CVVT Oil Control Valve (OCV) [Bank 2/Intake] control output | CVVT Oil Control Valve (OCV) [Bank 2/Intake] |
| 91 | - | x |
| 92 | CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output | CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] |
| 93 | - | |
| 94 | Fuel supply power #2 [SEL 0] signal output | Injector drive Box (IDB) |
| ECM Terminal Input/ Output signal |
Connector [C200-A]
| Pin No. | Description | Condition | Type | Level | Test Result |
| 1 | Ignition Coil (Cylinder #3) control output | Idle | Pulse | 1st Voltage : 300~400V | 360V |
| ON Voltage : Max. 2V | 1.5V | ||||
| OFF Voltage : battery voltage | 13.3V | ||||
| 2 | Ignition Coil (Cylinder #6) control output | Idle | Pulse | 1st Voltage : 300~400V | 360V |
| ON Voltage : Max. 2V | 1.5V | ||||
| OFF Voltage : battery voltage | 13.3V | ||||
| 3 | Engine speed signal output | Idle | Pulse | High : VCC | 3.6V |
| Low : Max. 1.5V | 0V | ||||
| 28Hz at Idle 165Hz at 3,000rpm | |||||
| 4 | Injector (Cylinder #2) control output | Idle | Pulse | High : battery voltage | 13.3V |
| Low : Max . 1.0V | 1.5V | ||||
| Vpeak : Max.80V | 76V | ||||
| 5 | Injector (Cylinder #1) control output | Idle | Pulse | High : battery voltage | 13.3V |
| Low : Max . 1.0V | 1.5V | ||||
| Vpeak : Max.80V | 76V | ||||
| 6 | Fuel Tank Pressure Sensor (FTPS) signal input | Idle | DC | 0.2 ~ 4.8V | 25V at IG ON |
| 7 | Fuel Level Sensor (FLS) [TOTAL] signal input | IG ON | DC | 0V ~ battery voltage | A/C ON : 1.5 ~2.0V |
| 8 | A/C Pressure Transducer (APT) signal input | A/C OFF | DC | 0 ~ 5.0 V | A/C ON : 1.5 ~2.0V |
| A/C ON | |||||
| 9 | - | ||||
| 10 | Sensor ground | Idle | DC | Max. 50 mV | 4mV |
| 11 | - | ||||
| 12 | Crankshaft Position Sensor (CKPS) [High] signal input | Idle | SINE WAVE | Vp_p : Min.1.0V | 16.5V (580Hz) |
| 13 | - | - | - | - | - |
| 14 | Main Relay control output | Relay OFF | DC | battery voltage | 13.3V |
| Relay ON | Max. 1.0V | 0.3V | |||
| 15 | Injector (Cylinder #6) control output | Idle | Pulse | High : battery voltage | 13.2V |
| Low : Max . 1.0V | 0.3V | ||||
| Vpeak : Max.80V | 76V | ||||
| 16 | Ignition Coil (Cylinder #2) control output | Idle | Pulse | 1st Voltage : 300~400V | 370V |
| ON Voltage : Max. 2V | 1.5V | ||||
| OFF Voltage : battery voltage | 13.3V | ||||
| 17 | Ignition Coil (Cylinder #4) control output | Idle | Pulse | 1st Voltage : 300~400V | 370V |
| ON Voltage : Max. 2V | 1.5V | ||||
| OFF Voltage : battery voltage | 13.3V | ||||
| 18 | - | ||||
| 19 | Injector (Cylinder #7) control output | Idle | Pulse | High : battery voltage | 13.2V |
| Low : Max . 1.0V | 0.3V | ||||
| Vpeak : Max.80V | 71V | ||||
| 20 | Purge control Solenoid Valve (PCSV) control output | Active Inactive | Pulse | High : battery voltage | 13.2V |
| Low : Max. 1.0V | 0.3V | ||||
| 21 | Canister Close Valve (CCV) controll output | Active Inactive | Pulse | High : battery voltage | 13.5V |
| Low : Max. 1.0V | 0.2V | ||||
| 22 | - | ||||
| 23 | - | ||||
| 24 | Sensor ground | Idle | DC | Max. 50 mV | 9.2mV |
| 25 | Sensor ground | Idle | DC | Max. 50 mV | 9.2mV |
| 26 | - | ||||
| 27 | Crankshaft Position Sensor (CKPS) [Low] signal input | Idle | SINE WAVE | Vp_p : Min.1.0V | 7.1V (610Hz) |
| 28 | Sensor ground | Idle | DC | Max. 50 mV | 9.2mV |
| 29 | Fuel Level Sensor (FLS) [MIDDLE] signal input | IG ON | DC | 0 ~ battery voltage | |
| 30 | Injector (Cylinder #4) control output | Idle | Pulse | High : battery voltage | 13.53V |
| Low : Max . 1.0V | 227mV | ||||
| Vpeak : Max.80V | 73.45V | ||||
| 31 | Ignition Coil (Cylinder #5) control output | Idle | Pulse | 1st Voltage : 300~400V | 387V |
| ON Voltage : Max. 2V | 1.26V | ||||
| OFF Voltage : battery voltage | 14.1V | ||||
| 32 | Ignition Coil (Cylinder #8) control output | Idle | Pulse | 1st Voltage : 300~400V | 387mV |
| ON Voltage : Max. 2V | 1.29V | ||||
| OFF Voltage : battery voltage | 14.1V | ||||
| 33 | Injector (Cylinder #8) control output | Idle | Pulse | High : battery voltage | 14.2V |
| Low : Max . 1.0V | 0.1V | ||||
| Vpeak : Max.80V | 55.7V | ||||
| 34 | CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output | Idle | Pulse | High : battery voltage | 14.9V |
| Low : Max. 1.0V | 0.08V | ||||
| 35 | CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output | Idle | Pulse | High : battery voltage | 14.9V |
| Low : Max. 1.0V | 0.08V | ||||
| 36 | - | ||||
| 37 | - | ||||
| 38 | Fuel Pump Relay control output | Relay OFF | DC | battery voltage | 13.1V |
| Relay ON | Max. 1.0V | 0.1V | |||
| 39 | Manifold Absolute Pressure Sensor (MAPS) signal input | Idle | Analog | 0.6683 ~ 4.346V | |
| 40 | - | ||||
| 41 | Sensor ground | Idle | DC | Max. 50 mV | 0mV |
| 42 | - | ||||
| 43 | Sensor ground | Idle | DC | Max. 50 mV | 0mV |
| 44 | 2nd CAN [Low] | Recessive | Pulse | 2.0 ~ 3.0 V | 2.60V |
| Dominant | 0.5~2.25 V | 1.59V | |||
| 45 | Injector (Cylinder #3) control output | Idle | Pulse | High : battery voltage | 14.2V |
| Low : Max . 1.0V | 0.1V | ||||
| Vpeak : Max.80V | 55.7V | ||||
| 46 | Ignition Coil (Cylinder #1) control output | Idle | Pulse | 1st Voltage : 300~400V | 260V |
| ON Voltage : Max. 2V | 1.9V | ||||
| OFF Voltage : battery voltage | 14.1V | ||||
| 47 | Ignition Coil (Cylinder #7) control output | Idle | Pulse | 1st Voltage : 300~400V | 260V |
| ON Voltage : Max. 2V | 1.9V | ||||
| OFF Voltage : battery voltage | 14.1V | ||||
| 48 | ETC Motor [+] control output | Idle | Pulse | High : battery voltage | 14.1V |
| LO: Max .1.0V | 0.1V | ||||
| 49 | - | ||||
| 50 | ETC Motor [-] control output | Idle | Pulse | High : battery voltage | 14.3V |
| LO: Max .1.0V | 0.1V | ||||
| 51 | Malfunction Indicator Lamp (MIL) control output | Lamp OFF | DC | battery voltage | 13.7V |
| Lamp ON | Max. 1.0V | 0V | |||
| 52 | - | ||||
| 53 | - | ||||
| 54 | Cooling Fan [PWM] control output | A/C ON | Pulse | High : battery voltage | 10.1V |
| Low : Max. 0.5V | 0V | ||||
| 55 | - | ||||
| 56 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] signal input | Racing | DC | Rich : 0.6~1.0V | 0.8V |
| Lean : 0 ~ 0.4V | 0.1V | ||||
| 57 | - | ||||
| 58 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] signal input | Racing | DC | Rich : 0.6~1.0V | 0.8V |
| Lean : 0 ~ 0.4V | 0.1V | ||||
| 59 | 2nd CAN [High] | Recessive | Pulse | 2.0 ~ 3.0 V | 2.60V |
| Dominant | 0.5 ~2.25 V | 1.59V | |||
| 60 | Injector (Cylinder #5) control output | Idle | Pulse | High : battery voltage | 14.2V |
| Low : Max . 1.0V | 0.1V | ||||
| Vpeak : Max.80V | 55.7V |
Connector [C200-K]
| Pin No. | Description | Condition | Type | Level | Test Result |
| 1 | Ignition Coil ground | Idle | DC | Max. 50 mV | 0mV |
| 2 | Electronic power ground | Idle | DC | Max. 50 mV | 0mV |
| 3 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output | Engine Run | Pulse | High : battery voltage | 13.6V |
| Low : Max. 1.0V | 0.2V | ||||
| 4 | ECM ground | Idle | DC | Max. 50 mV | 0mV |
| 5 | Battery power (B+) | IG OFF | DC | Max. 1.0V | 0V |
| IG ON | battery voltage | 12.2V | |||
| 6 | Battery power (B+) | IG OFF | DC | Max. 1.0V | 0V |
| IG ON | battery voltage | 12.2V | |||
| 7 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output | Engine Run | Pulse | High : battery voltage | 13.83V |
| Low : Max. 1.0V | 495mV | ||||
| 8 | LIN (Local Interconnect Network) Serial Bus Line | ||||
| 9 | Knock Sensor (KS) [Bank 1/Front] [High] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 10 | Knock Sensor (KS) [Bank 1/Rear] [High] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 11 | Sensor ground | Idle | DC | Max. 50 mV | 7mV |
| 12 | Sensor ground | Idle | DC | Max. 50 mV | 7mV |
| 13 | Rail Pressure Sensor (RPS) signal input | Idle | Analog | 0.43 ~ 3.46V | |
| 14 | Throttle Position Sensor (TPS) 1 signal input | C.T | Analog | 0.3 ~ 0.9V | 0.42V |
| W.O.T | 1.5 ~ 3.0V | 1.88V | |||
| 15 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input | Racing | DC | Rich : 0.6~1.0V | 0.7V |
| Lean : 0 ~ 0.4V | 0.3V | ||||
| 16 | - | ||||
| 17 | - | ||||
| 18 | - | ||||
| 19 | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input | Idle | Pulse | High : Vcc or battery voltage | 4.8V |
| Low : Max . 0.5V | 0V | ||||
| 20Hz at Idle | |||||
| 20 | - | ||||
| 21 | Start Relay signal input | Cranking | DC | battery voltage | 13.5V |
| Otherwise | Max. 0.5V | 0.3V | |||
| 22 | Sensor ground | Idle | DC | Max. 50 mV | 9mV |
| 23 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 5.0V | 5.0V | |||
| 24 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 5.0V | 5.0V | |||
| 25 | Battery power (B+) | IG OFF | DC | Max. 1.0 V | 0V |
| IG ON | battery voltage | 12.4V | |||
| 26 | Alternator Voltage Setpoint | Idle | Pulse | High : Vcc | 6.0V |
| Low : Max. 1.5V | 0V | ||||
| 27 | - | ||||
| 28 | - | ||||
| 29 | - | ||||
| 30 | Sensor ground | Idle | DC | Max. 50 mV | 5mV |
| 31 | Knock Sensor (KS) [Bank 1/Front] [Low] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 32 | Knock Sensor (KS) [Bank 1/Rear] [Low] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 33 | Sensor ground | Idle | DC | Max. 50 mV | 6mV |
| 34 | - | ||||
| 35 | Intake Air Temperature Sensor (IATS) signal input | Idle | Analog | 0.2V ~ 4.8V | 1.34V |
| 36 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | DC | 0.5V ~ 4.8V | 0.77V |
| 37 | Accelerator Piston Sensor (APS) 1 signal input | C.T | Analog | 0.58 ~ 0.93V | 0.74V |
| W.O.T | 3.85 ~ 4.35V | 4.2V | |||
| 38 | Throttle Position Sensor (TPS) 2 signal input | C.T | Analog | Min. 2.8V | 2.96V |
| W.O.T | Max. 1.8V | 1.63V | |||
| 39 | Electronic Load Signal input | ||||
| 40 | Brake Switch 2 signal input | Release | DC | battery voltage | 13.6V |
| Push | Max. 0.5V | 0.1V | |||
| 41 | Brake Switch 1 signal input | Release | DC | Max. 0.5V | 0.05V |
| Push | battery voltage | 13.7V | |||
| 42 | - | ||||
| 43 | - | ||||
| 44 | - | ||||
| 45 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 5V | 5.0V | |||
| 46 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 5V | 5.0V | |||
| 47 | - | ||||
| 48 | Start Relay control output | Otherwise | DC | battery voltage | 12.0V |
| Cranking | Max. 1.0V | 0V | |||
| 49 | Sensor ground | Idle | DC | Max. 50 mV | 0.2mV |
| 50 | - | ||||
| 51 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output | Engine Run | Pulse | High : battery voltage | 13.4V |
| Low : Max. 1.0V | 0.2V | ||||
| 52 | Knock Sensor (KS) [Bank 2/Front] [Low] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 53 | Knock Sensor (KS) [Bank 2/Rear] [Low] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 54 | Sensor ground | Idle | DC | Max. 50 mV | 5mV |
| 55 | Sensor ground | Idle | DC | Max. 50 mV | 5mV |
| 56 | - | ||||
| 57 | - | ||||
| 58 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input | Racing | DC | Rich : 0.6~1.0V | 0.7V |
| Lean : 0 ~ 0.4V | 0.28V | ||||
| 59 | Sensor ground | Idle | DC | Max. 50 mV | 5mV |
| 60 | Fuel supply power #2 [ON] signal output | Idle | Pulse | High: battery voltage | |
| Low: Max. 1.0V | |||||
| 61 | - | ||||
| 62 | Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input | Idle | Pulse | High : Vcc or battery voltage | 4.95V |
| Low : Max . 0.5V | 0V | ||||
| 20Hz at Idle | |||||
| 63 | - | ||||
| 64 | Vehicle speed signal input | Vehicle Run | Pulse | High : Min. 5.0V | 11.0V |
| Low : Max. 1.0V | 0V | ||||
| 65 | - | ||||
| 66 | CAN [Low] | Recessive | Pulse | 2.0 ~ 3.0 V | 2.5V |
| Dominant | 0.5~2.25 V | 1.5V | |||
| 67 | Immobilizer communication line | When transmitting | Pulse | High : Min. battery voltage X 80% | 10.99V |
| Low : Max. battery voltage X 20% | 787.5mV | ||||
| When receiving | High : Min. battery voltage X 70% | 10.99V | |||
| Low : Max. battery voltage X 30% | 587.5mV | ||||
| 68 | Fuel supply power #1 [ON] signal output | Idle | Pulse | High: battery voltage | |
| Low: Max. 1.0V | |||||
| 69 | Fuel supply power #2 [SEL 1] signal output | IG ON | Pulse | High: battery voltage | |
| Low: Max. 1.0V | |||||
| 70 | Fuel supply power #1 [SEL 0] signal output | IG ON | Pulse | High: battery voltage | |
| Low: Max. 1.0V | |||||
| 71 | - | ||||
| 72 | - | ||||
| 73 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output | Engine Run | Pulse | High : battery voltage | 13.5V |
| Low : Max. 1.0V | 0.2V | ||||
| 74 | Knock Sensor (KS) [Bank 2/Front] [High] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 75 | Knock Sensor (KS) [Bank 2/Rear] [High] signal input | Knocking | Variable Frequency | -0.3 ~ 0.3 V | |
| Normal | 0 V | ||||
| 76 | Sensor ground | Idle | DC | Max. 50 mV | 7mV |
| 77 | - | ||||
| 78 | - | ||||
| 79 | - | ||||
| 80 | - | ||||
| 81 | Accelerator Position Sensor (APS) 2 signal input | C,T | Analog | 0.29 ~ 0.46 V | 0.42V |
| W.O.T | 1.93 ~ 2.18V | 2.1V | |||
| 82 | - | ||||
| 83 | Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input | Idle | Pulse | High : Vcc or battery voltage | 4.9V |
| Low : Max . 0.5V | 0.05V | ||||
| 20Hz at Idle | |||||
| 84 | Alternator "FR" signal input | Idle | Pulse | High : battery voltage | 12.2V |
| Low : Max 1.5 V | 0.2V | ||||
| 85 | Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input | Idle | Pulse | High : Vcc or battery voltage | 4.9V |
| Low : Max . 0.5V | 0.05V | ||||
| 20Hz at Idle | |||||
| 86 | Battery Power (B+) | Always | DC | battery voltage | 12.6V |
| 87 | - | ||||
| 88 | CAN [High] | Recessive | Pulse | 2.0 ~ 3.0 V | 2.5V |
| Dominant | 2.75~4.5 V | 3.5V | |||
| 89 | Fuel supply power #1 [SEL 1] signal output | IG ON | Pulse | High: battery voltage | |
| Low: Max. 1.0V | |||||
| 90 | CVVT Oil control Valve (OCV) [Bank 2/Intake] control output | Idle | Pulse | High : battery voltage | 13.7V |
| Low : Max. 1.0V | 0.28V | ||||
| 91 | - | ||||
| 92 | CVVT Oil control Valve (OCV) [Bank 2/Exhaust] control output | Idle | Pulse | High : battery voltage | 13.7V |
| Low : Max. 1.0V | 0.28V | ||||
| 93 | - | ||||
| 94 | Fuel supply power #2 [SEL 0] signal output | IG ON | Pulse | High: battery voltage | |
| Low: Max. 1.0V |
| Circuit Diagram |
Components and Components Location
Components Location
1. ECM (Engine Control Module) 2. Manifold Absolute Pressure Sensor (MAPS)3. Intake Air Temperature Sensor (IATS) 4. Engine Coolant Temperature Sensor (ECTS) 5. Throttle ...
Engine Control Module (ECM) Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
1) Perform "ECM Neutra ...
See also:
Components and Components Location
Components
...
Power Mirror Switch Components and Components Location
Components
...
Indicator Lights
Electronic Stability Control (ESC) Indicator Light
This indicator light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON position.It
illuminates for approx ...
Categories
Hyundai Equus Manuals
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