PCM Connector for Inputs and Outputs
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
| Connector Index |
|---|
| PCM Connector A (50P) |
| PCM Connector E (80P) |
PCM Connector A (50P) (female terminals)
| Terminal number | Terminal name | Description |
|---|---|---|
| 1 | INJ RLY OUT (INJECTOR POWER SOURCE) | Power source for PCM (injector driver) |
| 2 | IG1(DBW) (IGNITION SIGNAL ETCS) | Detects ignition signal |
| 3 | IG1 VBSOL(10A) (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valves |
| 4 | IGP1 (POWER SOURCE) | Power source for PCM |
| 5 | +B VBUM(10A) (VOLTAGE BACK UP) | Power source for PCM memory |
| 6 | IG1 FUEL PUMP (IGNITION SIGNAL) | Detects ignition signal |
| 7 | Not used | |
| 8 | INJ RLY OUT (INJECTOR POWER SOURCE) | Power source for PCM (injector driver) |
| 9 *1 | STC | Outputs DC-DC converter operation signal |
| 10 | F-CAN A_L (CAN COMMUNICATION SIGNAL LOW) | Sends and receives communication signal |
| 11 | F-CAN A_H (CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal |
| 12 | F-CAN B_L (CAN COMMUNICATION SIGNAL LOW) | Sends and receives communication signal |
| 13 | F-CAN B_H (CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal |
| 14 | Not used | |
| 15 | Not used | |
| 16 | Not used |
*1: With auto idle stop system
*2: KA/KC
*3: Without electric brake booster system
| Terminal number | Terminal name | Description |
|---|---|---|
| 17 | TCD OUT (CAMSHAFT POSITION (CMP) SIGNAL OUTPUT) | Sends CMP sensor signal to engine mount control unit |
| 18 | CRK OUT (CRANKSHAFT POSITION (CKP) SIGNAL OUTPUT) | Sends CKP sensor signal to engine mount control unit |
| 19 *2 | PTANK (FUEL TANK PRESSURE (FTP) SENSOR) | Detects FTP sensor signal |
| 20 | VGP (MASS AIR FLOW (MAF) SENSOR + SIDE) | Detects MAF sensor signal |
| 21 *1*3 | GCU MON (BRAKE BOOSTER PRESSURE SENSOR) | Detects brake booster pressure sensor signal |
| 22 | FI MAIN RLY CL- (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1, injector relay, and ignition coil relay |
| 23 | TA (INTAKE AIR TEMPERATURE (IAT) SENSOR) | Detects IAT sensor signal |
| 24 | LIN(ACG) (LOCAL INTERCONNECT NETWORK) | Sends and receives communication signal |
| 25 | Not used | |
| 26 | Not used | |
| 27 | FAN HI SIGNAL (RADIATOR FAN RELAY/FAN CONTROL RELAY) | Drives radiator fan relay and fan control relay |
| 28 | ACCL (A/C COMPRESSOR CLUTCH RELAY) | Drives A/C compressor clutch relay |
| 29 *2 | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve |
| 30 | ST RLY 1 TO 2(STARTER CUT RELAY 1) | Drives starter cut relay 1 |
| 31 | VGM (MASS AIR FLOW (MAF) SENSOR - SIDE) | Ground for MAF sensor signal |
| 32 | STOP SW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal |
| 33 | APS1 (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal |
| 34 | APS2 (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal |
| 35 | STRLD (STARTER CUT RELAY RETURN SIGNAL) | Detects starter cut relay signal |
| 36 | SG4 (SENSOR GROUND) | Sensor ground |
| 37 | SG5 (SENSOR GROUND) | Sensor ground |
| 38 | Not used | |
| 39 | Not used | |
| 40 | FUEL PUMP RLY CL- (IMMOBILIZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 |
| 41 | DBW RLY OUT (ETCS CONTROL RELAY) | Drives ETCS control relay |
| 42 | ST CUT RLY2 CL- (STARTER CUT RELAY 2) | Drives starter cut relay 2 |
| 43 | BKSWNC (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal |
| 44 | STS (STARTER SWITCH SIGNAL) | Detects starter switch signal |
| 45 | SCS (SERVICE CHECK SIGNAL) | Detects service check signal |
| 46 | S-NET (SERIAL COMMUNICATION FOR IMMOBILIZER) | Sends serial communication signal |
| 47 | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage |
| 48 | VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage |
| 49 | LAF RLY OUT (PGM-FI SUBRELAY) | Drives PGM-FI subrelay |
| 50 | FAN LO SIGNAL (A/C CONDENSER FAN RELAY) | Drives A/C condenser fan relay |
*1: With auto idle stop system
*2: KA/KC
*3: Without electric brake booster system
PCM Connector E (80P) (female terminals)
| Terminal number | Terminal name | Description |
|---|---|---|
| 1 | HP-B1 (HIGH PRESSURE FUEL PUMP -) | Drives fuel control solenoid (build into high pressure fuel pump) |
| 2 | INJ LS1 (No. 1 INJECTOR -) | Drives No. 1 injector |
| 3 | INJ LS5 (No. 5 INJECTOR -) | Drives No. 5 injector |
| 4 | INJ LS2 (No. 2 INJECTOR -) | Drives No. 2 injector |
| 5 | INJ LS6 (No. 6 INJECTOR -) | Drives No. 6 injector |
| 6 | INJ HS3 (No. 3 INJECTOR +) | Drives No. 3 injector |
| 7 | INJ LS3 (No. 3 INJECTOR -) | Drives No. 3 injector |
| 8 | GND1 (GROUND) | Ground for PCM |
| 9 | AFHT B1 (REAR AIR FUEL RATIO (REAR A/F) SENSOR (BANK 1, SENSOR 1) HEATER CONTROL) | Drives rear A/F sensor (Bank 1, Sensor 1) heater |
| 10 | AFTHB2 (FRONT AIR FUEL RATIO (FRONT A/F) SENSOR (BANK 2, SENSOR 1) HEATER CONTROL) | Drives front A/F sensor (Bank 2, Sensor 1) heater |
| 11 | SO2HT B1 (REAR SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (BANK 1, SENSOR 2) HEATER CONTROL) | Drives rear secondary HO2S (Bank 1, Sensor 2) heater |
| 12 | MTR2 (THROTTLE ACTUATOR) | Drives throttle actuator |
| 13 | MTR1 (THROTTLE ACTUATOR) | Drives throttle actuator |
| 14 | HP+B1 (HIGH PRESSURE FUEL PUMP +) | Drives fuel control solenoid (build into high pressure fuel pump) |
| 15 | INJGND2 (GROUND) | Ground for PCM (injector driver) |
| 16 | INJ HS1 (No. 1 INJECTOR +) | Drives No. 1 injector |
| 17 | INJ HS5 (No. 5 INJECTOR +) | Drives No. 5 injector |
| 18 | INJ HS2 (No. 2 INJECTOR +) | Drives No. 2 injector |
| 19 | INJ HS6 (No. 6 INJECTOR +) | Drives No. 6 injector |
| 20 | INJ HS4 (No. 4 INJECTOR +) | Drives No. 4 injector |
| 21 | INJ LS4 (No. 4 INJECTOR -) | Drives No. 4 injector |
| Terminal number | Terminal name | Description |
|---|---|---|
| 22 | INJGND1 (GROUND) | Ground for PCM (injector driver) |
| 23 | CSS (ROCKER ARM OIL CONTROL SOLENOID B (BANK 1)) | Drives rocker arm oil control solenoid B (Bank 1) |
| 24 | SO2HT B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (BANK 2, SENSOR 2) HEATER CONTROL) | Drives front secondary HO2S (Bank 2, Sensor 2) heater |
| 25 | GND2 LG (GROUND) | Ground for PCM |
| 26 | GND3 (GROUND) | Ground for PCM |
| 27 | PGM (GROUND) | Ground for PCM |
| 28 | E EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) | Drives EGR valve |
| 29 | IGN PULSE1 (No. 1 IGNITION COIL PULSE) | Drives No. 1 ignition coil |
| 30 | IGN PULSE2 (No. 2 IGNITION COIL PULSE) | Drives No. 2 ignition coil |
| 31 | VTMB1 (ROCKER ARM OIL PRESSURE SWITCH A (BANK 1)) | Detects rocker arm oil pressure switch A (Bank 1) signal |
| 32 | VTMB2 (ROCKER ARM OIL PRESSURE SWITCH A (BANK 2)) | Detects rocker arm oil pressure switch A (Bank 2) signal |
| 33 | VCMSW (ROCKER ARM OIL PRESSURE SWITCH B (BANK 1)) | Detects rocker arm oil pressure switch B (Bank 1) signal |
| 34 | Not used | |
| 35 | ACPD (A/C PRESSURE SENSOR) | Detects A/C pressure sensor signal |
| 36 | OP SENSOR (ENGINE OIL PRESSURE) | Detects rocker arm oil pressure sensor signal |
| 37 | Not used | |
| 38 | TW (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1) | Detects ECT sensor 1 signal |
| 39 | Not used | |
| 40 | IPB2 (IP CELL+ BANK 2) | Detects front A/F sensor (Bank 2, Sensor 1) pump cell signal |
| 41 | VCENTB2 (VIRTUAL GROUND BANK 2) | Provides reference voltage for front A/F sensor (Bank 2, Sensor 1) |
| 42 | VSB2 (VS CELL+ BANK 2) | Detects front A/F sensor (Bank 2, Sensor 1) VS CELL signal |
| 43 | Not used | |
| 44 | VCENTB1 (VIRTUAL GROUND BANK 1) | Provides reference voltage for rear A/F sensor (Bank 1, Sensor 1) |
| 45 | VSB1 (VS CELL+ BANK 1) | Detects rear A/F sensor (Bank 1, Sensor 1) VS cell signal |
| 46 | IPB1 (IP CELL+ BANK 1) | Detects rear A/F sensor (Bank 1, Sensor 1) pump cell signal |
| 47 | IGN PULSE3 (No. 3 IGNITION COIL PULSE) | Drives No. 3 ignition coil |
| 48 | IGN PULSE4 (No. 4 IGNITION COIL PULSE) | Drives No. 4 ignition coil |
| 49 | SG1 (SENSOR GROUND) | Sensor ground |
| 50 | VCC1 (SENSOR VOLTAGE) | Provides sensor reference voltage |
| 51 | KSSGB1 (KNOCK SENSOR 1 (BANK 1) GROUND) | Sensor ground for knock sensor 1 (Bank 1) |
| 52 | KSB1 (KNOCK SENSOR 1 (BANK 1)) | Detects knock sensor 1 (Bank 1) signal |
| 53 | PB (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) | Detects MAP sensor signal |
| 54 | TW2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) | Detects ECT sensor 2 signal |
| 55 | THL2 (THROTTLE POSITION (TP) SENSOR B) | Detects TP sensor B signal |
| 56 | SO2B1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) (BANK 1, SENSOR 2)) | Detects rear secondary HO2S (Bank 1, Sensor 2) signal |
| 57 | SO2SGB1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) (BANK 1, SENSOR 2) SENSOR GROUND) | Sensor ground for rear secondary HO2S (Bank 1, Sensor 2) |
| 58 | SG2 (SENSOR GROUND) | Sensor ground |
| 59 | Not used | |
| 60 | Not used | |
| 61 | CRK (CRANKSHAFT POSITION (CKP) SENSOR) | Detects CKP sensor signal |
| 62 | Not used | |
| 63 | Not used | |
| 64 | Not used | |
| 65 | IGN PULSE5 (No. 5 IGNITION COIL PULSE) | Drives No. 5 ignition coil |
| 66 | IGN PULSE6 (No. 6 IGNITION COIL PULSE) | Drives No. 6 ignition coil |
| Terminal number | Terminal name | Description |
|---|---|---|
| 67 | SG3 (SENSOR GROUND) | Sensor ground |
| 68 | VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage |
| 69 | KSSGB2 (KNOCK SENSOR 2 (BANK 2) GROUND) | Sensor ground for knock sensor 2 (Bank 2) |
| 70 | KSB2 (KNOCK SENSOR 2 (BANK 2)) | Detects knock sensor 2 (Bank 2) signal |
| 71 | EGRL (EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR) | Detects EGR valve position sensor signal |
| 72 | THL1 (THROTTLE POSITION (TP) SENSOR A) | Detects TP sensor A signal |
| 73 | PF (FUEL RAIL PRESSURE SENSOR) | Detects fuel rail pressure sensor signal |
| 74 | SO2B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S) (BANK 2, SENSOR 2)) | Detects front secondary HO2S (Bank 2, Sensor 2) signal |
| 75 | SO2SGB2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S) (BANK 2, SENSOR 2) SENSOR GROUND) | Sensor ground for front secondary HO2S (Bank 2, Sensor 2) |
| 76 | VCC2 (SENSOR VOLTAGE) | Provides sensor reference voltage |
| 77 | TDC (CAMSHAFT POSITION (CMP) SENSOR) | Detects CMP sensor signal |
| 78 | PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) | Drives EVAP canister purge valve |
| 79 | VTSB1 (ROCKER ARM OIL CONTROL SOLENOID A (BANK 1)) | Drives rocker arm oil control solenoid A (Bank 1) |
| 80 | VTSB2 (ROCKER ARM OIL CONTROL SOLENOID A (BANK 2)) | Drives rocker arm oil control solenoid A (Bank 2) |