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PCM Connector for Inputs and Outputs

PCM Connector for Inputs and Outputs 

Connector Index
PCM Connector A (50P)
PCM Connector E (80P)

PCM Inputs and Outputs at PCM Connector A (50P) (female terminals) 

GHH418239Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 Not used  
2 Not used  
3 IG1 VBSOL (POWER SOURCE FOR SOLENOID VALVES) Power source for solenoid valves
4 SO2HT (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) HEATER CONTROL) Drives secondary HO2S (Sensor 2) heater
5 FI MAIN RLY CL- (PGM-FI MAIN RELAY 1) Drives PGM-FI main relay 1, ignition coil relay
6 VSV (EVAP LEAK CHECK VALVE) Drives EVAP leak check valve
7 +B VBU Power source for PCM memory
8 FI MAIN RLY OUT (POWER SOURCE) Power source for PCM
9 DMOMTRWK (GAUGE CONTROL MODULE WAKE UP) Sends gauge control module wake up signal
10 LIN(BATT SENSOR) (LOCAL INTERCONNECT NETWORK) Sends and receives communication signal
11 FUEL PUMP RLY CL- (FUEL PUMP RELAY) Drives PGM-FI main relay 2
12 PADDLE SW UP (PADDLE SHIFTER +) Detects paddle shifter + signal
13 GND (GROUND) Ground for PCM
14 ATP-R (REVERSE RELAY) Drives reverse relay
Terminal number Terminal name Description
15 FCTV- (FUEL VAPOR CONTAINMENT VALVE) Drives fuel vapor containment valve
16 DBW RLY OUT (POWER SOURCE FOR ETCS) Power source for throttle control system (ETCS)
17 Not used  
18 Not used  
19 VMOTOR (EVAP LEAK DETECTION MODULE VACUUM PUMP) Drives EVAP leak detection module vacuum pump
20 EPP-CAN A_L (EPP-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
21 EPP-CAN A_H (EPP-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
22 Not used  
23 FUEL LID ACT RLY CL- (FUEL FILL DOOR OPEN RELAY) Drives fuel fill door open relay
24 ENG W/PUMP RLY CL- (ENGINE EWP RELAY) Drives engine EWP relay
25 DBW RLY CL- (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY) Drives electronic throttle control system (ETCS) control relay
26 BRK DIAG (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal
27 SCS (SERVICE CHECK SIGNAL) Detects service check signal
28 STC (STARTER SWITCH SIGNAL) Detects starter switch signal
29 PADDLE SW DOWN (PADDLE SHIFTER -) Detects paddle shifter - signal
30 EVTC RLY CL- (ELECTRIC VTC RELAY) Drives electric VTC relay
31 P/SNSR2 OUT (FUEL TANK PRESSURE (FTP) SENSOR) Detects fuel tank pressure (FTP) sensor signal
32 APS1 (ACCELERATOR PEDAL POSITION (APP) SENSOR A) Detects APP sensor A signal
33 PD SENSOR (A/C PRESSURE SENSOR) Detects A/C pressure sensor signal
34 APS2 (ACCELERATOR PEDAL POSITION (APP) SENSOR B) Detects APP sensor B signal
35 VSP (VEHICLE SPEED SIGNAL OUTPUT) Sends vehicle speed signal
36 F-CAN A_L (CAN COMMUNICATION A SIGNAL LOW) Sends and receives communication signal
37 F-CAN A_H (CAN COMMUNICATION A SIGNAL HIGH) Sends and receives communication signal
38 F-CAN B_L (CAN COMMUNICATION B SIGNAL LOW) Sends and receives communication signal
39 F-CAN B_H (CAN COMMUNICATION B SIGNAL HIGH) Sends and receives communication signal
40 S-NET (SERIAL COMMUNICATION FOR IMMOBILIZER) Sends serial communication signal
41 FUEL REQ SW (FUEL FILL DOOR OPENER SWITCH) Detects fuel fill door opener switch signal
42 P/SNSR1 OUT (EVAP LEAK DETECTION MODULE PRESSURE SENSOR) Detects EVAP leak detection module pressure sensor signal
43 SG5 (SENSOR GROUND) Sensor ground
44 VCC5 (SENSOR VOLTAGE) Provides sensor reference voltage
45 VCC4 (SENSOR VOLTAGE) Provides sensor reference voltage
46 SG4 (SENSOR GROUND) Sensor ground
47 SO2 (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2)) Detects secondary HO2S (Sensor 2) signal
48 SO2 SG (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) SENSOR GROUND) Sensor ground for secondary HO2S (Sensor 2)
49 BKSWNC (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal
50 WUBF (WAKE UP SIGNAL) Detects wake up signal

PCM Inputs and Outputs at PCM Connector E (80P) (female terminals) 

GHH418240Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 Not used  
2 Not used  
3 Not used  
4 Not used  
5 Not used  
6 Not used  
7 Not used  
8 Not used  
9 Not used  
10 EEGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) Drives EGR valve
11 LIDM (FUEL FILL DOOR SWITCH) Detects fuel fill door switch signal
12 Not used  
13 AFHT N (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) HEATER CONTROL) Drives A/F sensor (Sensor 1) heater
14 Not used  
15 Not used  
16 Not used  
17 Not used  
18 INJ 1 (No. 1 INJECTOR) Drives No. 1 injector
Terminal number Terminal name Description
19 INJ 4 (No. 4 INJECTOR) Drives No. 4 injector
20 INJ 3 (No. 3 INJECTOR) Drives No. 3 injector
21 INJ 2 (No. 2 INJECTOR) Drives No. 2 injector
22 GND4 (GROUND) Ground for PCM
23 GND3 (GROUND) Ground for PCM
24 GND2 (GROUND) Ground for PCM
25 SHB(SOLPL) (SHIFT SOLENOID VALVE B) Drives shift solenoid valve B
26 SHA(SOLCL) (SHIFT SOLENOID VALVE A) Drives shift solenoid valve A
27 MTR1 (THROTTLE ACTUATOR) Drives throttle actuator
28 MTR2 (THROTTLE ACTUATOR) Drives throttle actuator
29 EWPC (ELECTRIC ENGINE COOLANT PUMP CONTROL) Sends electric engine coolant pump control signal
30 EVTS (ELECTRIC VTC REVOLUTION SENSOR) Detects electric VTC revolution sensor signal
31 EVTP (ELECTRIC VTC CONTROL SIGNAL) Sends electric VTC control signal
32 PARKBUSY (COMMUNICATION SIGNAL FOR PARK PAWL ACTUATOR DRIVER UNIT) Detects PARK position signal
33 PODCL (TRANSMISSION FLUID PRESSURE SENSOR) Detects transmission fluid pressure sensor signal
34 KSGND (KNOCK SENSOR GROUND) Sensor ground for knock sensor
35 KS (KNOCK SENSOR) Detects knock sensor signal
36 IG1(IG1MONI) (IGNITION SIGNAL) Detects ignition signal
37 IGN01 (No. 1 IGNITION COIL PULSE) Drives No. 1 ignition coil
38 IGN02 (No. 2 IGNITION COIL PULSE) Drives No. 2 ignition coil
39 IGN03 (No. 3 IGNITION COIL PULSE) Drives No. 3 ignition coil
40 IGN04 (No. 4 IGNITION COIL PULSE) Drives No. 4 ignition coil
41 CAM (CAMSHAFT POSITION (CMP) SENSOR A) Detects CMP sensor A signal
42 Not used  
43 TDC (CAMSHAFT POSITION (CMP) SENSOR B) Detects CMP sensor B signal
44 CRKP (CRANKSHAFT POSITION (CKP) SENSOR) Detects CKP sensor signal
45 SG6 (SENSOR GROUND) Sensor ground
46 EVTD (ELECTRIC VTC REVOLUTION SENSOR) Detects electric VTC revolution sensor signal
47 Not used  
48 IP (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) IP CELL) Detects A/F sensor (Sensor 1) pump cell
49 Not used  
50 THL1 (THROTTLE POSITION (TP) SENSOR A) Detects TP sensor A signal
51 THL2 (THROTTLE POSITION (TP) SENSOR B) Detects TP sensor B signal
52 TW (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1) Detects ECT sensor 1 signal
53 IAT1(TA) (INTAKE AIR TEMPERATURE (IAT) SENSOR 1) Detects IAT sensor 1 signal
54 TW2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) Detects ECT sensor 2 signal
55 IAT2(INTA) (INTAKE AIR TEMPERATURE (IAT) SENSOR 2) Detects IAT sensor 2 signal
56 PB (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) Detects MAP sensor signal
57 EVTM (ELECTRIC VTC DIAGNOSIS) Detects electric VTC diagnosis signal
58 OPSEN (ROCKER ARM OIL PRESSURE SENSOR) Detects rocker arm oil pressure sensor signal
59 VTM (ROCKER ARM OIL PRESSURE SWITCH) Detects rocker arm oil pressure switch signal
60 EWPREV (ELECTRIC ENGINE COOLANT PUMP) Detects electric engine coolant pump revolution signal
61 VGP (MASS AIR FLOW (MAF) SENSOR + SIDE) Detects MAF sensor signal
62 VGM (MASS AIR FLOW (MAF) SENSOR - SIDE) Ground for MAF sensor signal
63 VCC6 (SENSOR VOLTAGE) Provides sensor reference voltage
64 PARKCMD (COMMUNICATION SIGNAL FOR PARK PAWL ACTUATOR DRIVER UNIT) Sends PARK position switching signal
Terminal number Terminal name Description
65 VTS (ROCKER ARM OIL CONTROL SOLENOID) Drives rocker arm oil control solenoid
66 NGENPLS (GENERATOR ROTOR PULSE) Detects generator rotor rotation pulse
67 Not used  
68 Not used  
69 EGRL (EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR) Detects EGR valve position sensor signal
70 VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage
71 SG1 (SENSOR GROUND) Sensor ground
72 Not used  
73 VS (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) VS CELL) Detects A/F sensor (Sensor 1) VS cell
74 VCENT (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) VIRTUAL GROUND) Provides reference voltage for A/F sensor (Sensor 1)
75 VCC3 (SENSOR VOLTAGE) Provides sensor reference voltage
76 SG3 (SENSOR GROUND) Sensor ground
77 VCC2 (SENSOR VOLTAGE) Provides sensor reference voltage
78 SG2 (SENSOR GROUND) Sensor ground
79 Not used  
80 PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) Drives EVAP canister purge valve