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Home >> Honda >> 2023 >> Pilot Elite >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Mechanical / Engine Control System - Service, Testing And Troubleshooting >> Connector View >> PCM Connector for Inputs and Outputs
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PCM Connector for Inputs and Outputs

Connector Index
PCM Connector B (72P)
PCM Connector E (114P)

PCM Connector B (72P) (female terminals) 

GHH578095Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 FI_MAIN_RLY_OUT (POWER SOURCE) Power source for PCM
2 INJ_RLY_OUT (INJECTOR POWER SOURCE) Power source for PCM (injector driver)
3 GND (GROUND) Ground for PCM
4 GND (GROUND) Ground for PCM
5 GND (GROUND) Ground for PCM
6 Not used  
7 +B_VBU (VOLTAGE BACK UP) Power source for PCM memory
8 ST_CUT_RLY1_CL- (STARTER CUT RELAY 1) Drives starter cut relay 1
9 PF-CAN A_H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
10 PF-CAN C_H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
11 PF-CAN B_H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
12 S-NET (SERIAL COMMUNICATION FOR IMMOBILIZER) Sends serial communication signal
13 LIN(ACG) (LOCAL INTERCONNECT NETWORK) Sends and receives communication signal
14 FAN_HI_SIGNAL (RADIATOR FAN RELAY/FAN CONTROL RELAY) Drives radiator fan relay and fan control relay
15 FUEL_PUMP_RLY_CL- (IMMOBILIZER FUEL PUMP RELAY) Drives PGM-FI main relay 2
Terminal number Terminal name Description
16 DC_STS Outputs DC-DC converter operation signal
17 Not used  
18 FI_MAIN_RLY_CL- (PGM-FI MAIN RELAY 1/INJECTOR RELAY/IGNITION COIL RELAY) Drives PGM-FI main relay 1, injector relay, and ignition coil relay
19 ST_CUT_RLY2_CL- (STARTER CUT RELAY 2) Drives starter cut relay 2
20 PF-CAN A_L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
21 PF-CAN C_L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
22 PF-CAN B_L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
23 CRK_OUT (CRANKSHAFT POSITION (CKP) SIGNAL OUTPUT) Sends CKP sensor signal to engine mount control unit
24 A/C_MG_CLUTCH_RLY_CL- (A/C COMPRESSOR CLUTCH RELAY) Drives A/C compressor clutch relay
25 FAN_LO_SIGNAL (A/C CONDENSER FAN RELAY) Drives A/C condenser fan relay
26 Not used  
27 Not used  
28 Not used  
29 Not used  
30 Not used  
31 STS (STARTER SWITCH SIGNAL) Detects starter switch signal
32 VSSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) Drives EVAP canister vent shut valve
33 VSP (VEHICLE SPEED SIGNAL OUTPUT) Sends vehicle speed signal
34 Not used  
35 Not used  
36 TCD_OUT (CAMSHAFT POSITION (CMP) SIGNAL OUTPUT) Sends CMP sensor signal to engine mount control unit
37 Not used  
38 Not used  
39 Not used  
40 Not used  
41 FI_SUB_RLY_CL- (PGM-FI SUBRELAY) Drives PGM-FI subrelay
42 STOP_SW (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal
43 Not used  
44 BKSWNC (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal
45 Not used  
46 SCS (SERVICE CHECK SIGNAL) Detects service check signal
47 Not used  
48 Not used  
49 Not used  
50 Not used  
51 ST_RLY_1_TO_2 (STARTER CUT RELAY RETURN SIGNAL) Detects starter cut relay signal
52 Not used  
53 Not used  
54 Not used  
55 Not used  
56 SG4 (SENSOR GROUND) Sensor ground
57 VCC4 (SENSOR VOLTAGE) Provides sensor reference voltage
58 VCC6 (SENSOR VOLTAGE) Provides sensor reference voltage
59 VCC5 (SENSOR VOLTAGE) Provides sensor reference voltage
60 SG5 (SENSOR GROUND) Sensor ground
61 SG6 (SENSOR GROUND) Sensor ground
Terminal number Terminal name Description
62 IG1_FI_ECU (IGNITION SIGNAL) Detects ignition signal
63 Not used  
64 Not used  
65 Not used  
66 TW_SENSOR (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) Detects ECT sensor 2 signal
67 PTANK (FUEL TANK PRESSURE (FTP) SENSOR) Detects FTP sensor signal
68 PD_SENSOR (A/C PRESSURE SENSOR) Detects A/C pressure sensor signal
69 Not used  
70 APS2 (ACCELERATOR PEDAL POSITION (APP) SENSOR B) Detects APP sensor B signal
71 Not used  
72 APS1 (ACCELERATOR PEDAL POSITION (APP) SENSOR A) Detects APP sensor A signal

PCM Connector E (114P) (female terminals) 

GHH578096Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description
1 SO2HTB2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S) (BANK 2, SENSOR 2) HEATER CONTROL) Drives front secondary HO2S (Bank 2, Sensor 2) heater
2 Not used  
3 Not used  
4 Not used  
Terminal number Terminal name Description
5 MTR1 (THROTTLE ACTUATOR) Drives throttle actuator
6 INJH3 (No. 3 INJECTOR +) Drives No. 3 injector
7 INJH4 (No. 4 INJECTOR +) Drives No. 4 injector
8 INJH5 (No. 5 INJECTOR +) Drives No. 5 injector
9 INJH1 (No. 1 INJECTOR +) Drives No. 1 injector
10 AFHTB1 (REAR AIR FUEL RATIO (REAR A/F) SENSOR (BANK 1, SENSOR 1) HEATER CONTROL) Drives rear A/F sensor (Bank 1, Sensor 1) heater
11 Not used  
12 Not used  
13 Not used  
14 MTR2 (THROTTLE ACTUATOR) Drives throttle actuator
15 INJL3 (No. 3 INJECTOR -) Drives No. 3 injector
16 INJL4 (No. 4 INJECTOR -) Drives No. 4 injector
17 INJL5 (No. 5 INJECTOR -) Drives No. 5 injector
18 INJL1 (No. 1 INJECTOR -) Drives No. 1 injector
19 AFHTB2 (FRONT AIR FUEL RATIO (FRONT A/F) SENSOR (BANK 2, SENSOR 1) HEATER CONTROL) Drives front A/F sensor (Bank 2, Sensor 1) heater
20 Not used  
21 VTCINB1 (VTC OIL CONTROL SOLENOID VALVE A (BANK 1)) Drives VTC oil control solenoid valve A (Bank 1)
22 VTCINB2 (VTC OIL CONTROL SOLENOID VALVE A (BANK 2)) Drives VTC oil control solenoid valve A (Bank 2)
23 Not used  
24 Not used  
25 INJH6 (No. 6 INJECTOR +) Drives No. 6 injector
26 INJH2 (No. 2 INJECTOR +) Drives No. 2 injector
27 HPUMPH (HIGH PRESSURE FUEL PUMP +) Drives fuel control solenoid (built into high pressure fuel pump)
28 SO2HTB1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) (BANK 1, SENSOR 2) HEATER CONTROL) Drives rear secondary HO2S (Bank 1, Sensor 2) heater
29 Not used  
30 VTCEXB1 (VTC OIL CONTROL SOLENOID VALVE B (BANK 1)) Drives VTC oil control solenoid valve B (Bank 1)
31 VTCEXB2 (VTC OIL CONTROL SOLENOID VALVE B (BANK 2)) Drives VTC oil control solenoid valve B (Bank 2)
32 Not used  
33 Not used  
34 INJL6 (No. 6 INJECTOR -) Drives No. 6 injector
35 INJL2 (No. 2 INJECTOR -) Drives No. 2 injector
36 HPUMPL (HIGH PRESSURE FUEL PUMP -) Drives fuel control solenoid (built into high pressure fuel pump)
37 Not used  
38 Not used  
39 Not used  
40 KSB1 (KNOCK SENSOR 1 (BANK 1)) Detects knock sensor 1 (Bank 1) signal
41 KSB2 (KNOCK SENSOR 2 (BANK 2)) Detects knock sensor 2 (Bank 2) signal
42 Not used  
43 CSS (ROCKER ARM OIL CONTROL SOLENOID) Drives rocker arm oil control solenoid
44 Not used  
45 PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) Drives EVAP canister purge valve
46 IGN01 (No. 1 IGNITION COIL PULSE) Drives No. 1 ignition coil
47 IGN02 (No. 2 IGNITION COIL PULSE) Drives No. 2 ignition coil
48 IGN03 (No. 3 IGNITION COIL PULSE) Drives No. 3 ignition coil
49 IGN04 (No. 4 IGNITION COIL PULSE) Drives No. 4 ignition coil
Terminal number Terminal name Description
50 Not used  
51 Not used  
52 SG1 (SENSOR GROUND) Sensor ground
53 KSSGB1 (KNOCK SENSOR 1 (BANK 1) GROUND) Sensor ground for knock sensor 1 (Bank 1)
54 KSSGB2 (KNOCK SENSOR 2 (BANK 2) GROUND) Sensor ground for knock sensor 2 (Bank 2)
55 Not used  
56 Not used  
57 Not used  
58 Not used  
59 Not used  
60 Not used  
61 IGN05 (No. 5 IGNITION COIL PULSE) Drives No. 5 ignition coil
62 IGN06 (No. 6 IGNITION COIL PULSE) Drives No. 6 ignition coil
63 VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage
64 Not used  
65 THL1 (THROTTLE POSITION (TP) SENSOR A) Detects TP sensor A signal
66 SG11 (SENSOR GROUND) Sensor ground
67 Not used  
68 Not used  
69 Not used  
70 FGP_E (MASS AIR FLOW (MAF) SENSOR) Detects MAF sensor signal
71 IAT11_E (INTAKE AIR TEMPERATURE (IAT) SENSOR) Detects IAT sensor signal
72 Not used  
73 SG2 (SENSOR GROUND) Sensor ground
74 VCC7 (SENSOR VOLTAGE) Provides sensor reference voltage
75 VCC8 (SENSOR VOLTAGE) Provides sensor reference voltage
76 VCC2 (SENSOR VOLTAGE) Provides sensor reference voltage
77 VCC3 (SENSOR VOLTAGE) Provides sensor reference voltage
78 Not used  
79 THL2 (THROTTLE POSITION (TP) SENSOR B) Detects TP sensor B signal
80 SG7 (SENSOR GROUND) Sensor ground
81 TW (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1) Detects ECT sensor 1 signal
82 OPSEN (ENGINE OIL PRESSURE SENSOR) Detects engine oil pressure sensor signal
83 SG8 (SENSOR GROUND) Sensor ground
84 Not used  
85 Not used  
86 Not used  
87 SG9 (SENSOR GROUND) Sensor ground
88 VCC9 (SENSOR VOLTAGE) Provides sensor reference voltage
89 SG10 (SENSOR GROUND) Sensor ground
90 SG3 (SENSOR GROUND) Sensor ground
91 POILCS (ROCKER ARM OIL PRESSURE SENSOR) Detects rocker arm oil pressure sensor signal
92 PF (FUEL RAIL PRESSURE SENSOR) Detects fuel rail pressure sensor signal
93 Not used  
94 AFCB2 (VIRTUAL GROUND BANK 2) Provides reference voltage for front A/F sensor (Bank 2, Sensor 1)
95 Not used  
96 AFCB1 (VIRTUAL GROUND BANK 1) Provides reference voltage for rear A/F sensor (Bank 1, Sensor 1)
Terminal number Terminal name Description
97 VCC11 (SENSOR VOLTAGE) Provides sensor reference voltage
98 SO2B1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) (BANK 1, SENSOR 2)) Detects rear secondary HO2S (Bank 1, Sensor 2) signal
99 SO2B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S) (BANK 2, SENSOR 2)) Detects front secondary HO2S (Bank 2, Sensor 2) signal
100 CAMEXB1 (CAMSHAFT POSITION (CMP) SENSOR B (BANK 1)) Detects CMP sensor B (Bank 1) signal
101 CAMEXB2 (CAMSHAFT POSITION (CMP) SENSOR B (BANK 2)) Detects CMP sensor B (Bank 2) signal
102 CRKP (CRANKSHAFT POSITION (CKP) SENSOR) Detects CKP sensor signal
103 Not used  
104 Not used  
105 PB (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) Detects MAP sensor signal
106 Not used  
107 AFVB2 (VS CELL+ BANK 2) Detects front A/F sensor (Bank 2, Sensor 1) VS cell signal
108 Not used  
109 AFVB1 (VS CELL+ BANK 1) Detects rear A/F sensor (Bank 1, Sensor 1) VS cell signal
110 VCC10 (SENSOR VOLTAGE) Provides sensor reference voltage
111 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)
112 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)
113 CAMINB1 (CAMSHAFT POSITION (CMP) SENSOR A (BANK 1)) Detects CMP sensor A (Bank 1) signal
114 CAMINB2 (CAMSHAFT POSITION (CMP) SENSOR A (BANK 2)) Detects CMP sensor A (Bank 2) signal