LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2017 >> RDX AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Engine Mechanical - Testing & Troubleshooting >> Inputs and Outputs >> PCM Connector for Inputs and Outputs (2013-15)

PCM Connector for Inputs and Outputs (2013-15)

GHH72929Courtesy of HONDA, U.S.A., INC.
Terminal number Wire color Terminal name Description Signal
1 YEL IG1 MISS SOL (POWER SOURCE FOR SOLENOID VALVES) Power source for solenoid valves With vehicle in ON mode: battery voltage
2 PNK SHIFT LOCK SOL (SHIFT LOCK SOLENOID) Drives shift lock solenoid With vehicle in ON mode, in P, brake pedal pressed, and accelerator pedal released: about 0 V
3 WHT STRLY (STARTER RELAY) Drives starter cut relay With vehicle in ON mode: about 0 V
4 PUR FAN LO SIGNAL (RADIATOR FAN CONTROL) Drives A/C condenser fan relay With condenser fan running: about 0 VWith condenser fan stopped: battery voltage
5 GRY FAN HI SIGNAL (RADIATOR FAN CONTROL) Drives radiator fan relay With radiator fan running at high speed: about 0 VWith radiator fan stopped or running at low speed: battery voltage
6 GRN FI MAIN RLY CL- (PGM-FI MAIN RELAY 1) Drives PGM-FI main relay 1 With vehicle in ON mode: about 0 VWith vehicle in OFF mode: battery voltage
7 BRN BKSWNC (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal With vehicle in ON mode and brake pedal released: battery voltageWith vehicle in ON mode and brake pedal pressed: about 0 V
8 LT GRN STOP SW (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal With brake pedal released: about 0 VWith brake pedal pressed: battery voltage
9 RED VGM (MASS AIR FLOW (MAF) SENSOR -SIDE) Ground for MAF sensor signal  
10 ORN ELD (ELECTRICAL LOAD DETECTOR (ELD)) Detects ELD signal With vehicle in ON mode:about 0.1-4.8 V (depending on electrical load)
11 LT BKU FI SUB RLY CL- (PGM-FI SUBRELAY) Drives PGM-FI subrelay With vehicle in ON mode: about 0 V
12 Not used Not used    
13 Not used Not used    
14 Not used Not used    
15 Not used Not used    
16 LT GRN PD SENSOR (A/C PRESSURE SENSOR) Detects A/C pressure sensor signal With A/C switch ON: about 1.0-4.8 V(depending on A/C pressure)
17 LT GRN S-NET (SERIAL COMMUNICATION FOR IMMOBILIZER) Sends and receives communication signal With vehicle in ON mode: pulses
18 Not used Not used    

*1: USA and Canada models

*2: With navigation

Terminal number Wire color Terminal name Description Signal
19 WHT F CAN-H (F-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With vehicle in ON mode: pulses
20 RED F CAN-L (F-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With vehicle in ON mode: pulses
21 BRN FUEL PUMP RLY CL- (IMMOBILIZER FUEL PUMP RELAY) Drives PGM-FI main relay 2 0 V for 2 seconds after pressing the engine start/stop button to select the ON mode, then battery voltage
22 Not used Not used    
23 RED A/C MG CLUTCH RLY CL- (A/C CLUTCH RELAY) Drives A/C clutch relay With compressor ON: about 0 VWith compressor OFF: battery voltage
24 Not used Not used    
25 Not used Not used    
26 PUR ATP-P (TRANSMISSION RANGE SWITCH P POSITION) Detects transmission range switch P position signal In P: about 0 V In any position other than P: battery voltage
27 Not used Not used    
28 YEL APS1 (ACCELERATOR PEDAL POSITION (APP) SENSOR A) Detects APP sensor A signal With vehicle in ON mode and accelerator pedal pressed: about 4.7 VWith vehicle in ON mode and accelerator pedal released: about 1.0 V
29 PUR APS2 (ACCELERATOR PEDAL POSITION (APP) SENSOR B) Detects APP sensor B signal With vehicle in ON mode and accelerator pedal pressed: about 2.3 VWith vehicle in ON mode and accelerator pedal released: about 0.5 V
30 GRN FGP (MASS AIR FLOW (MAF) SENSOR +SIDE) Detects MAF sensor signal At idle with warmed up engine and no electrical load: about 1.1-1.6 V(between FGP terminal and VGM terminal)
31 Not used Not used    
32*1 ORN VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) Drives EVAP canister vent shut valve With vehicle in ON mode: battery voltage
33 Not used Not used    
34 BRN VCC3 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
35 GRY VCC4 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
36 BLU SG3 (SENSOR GROUND Sensor ground Less than 0.2 V at all times
37 WHT SG4 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
38 BLU STRLD Detects starter cut relay With starter ON: battery voltage
39 YEL DBW RLY CL- (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY) Drives electronic throttle control system (ETCS) control relay With vehicle in ON mode: about 0 V
40*2 BLU VSP (VEHICLE SPEED SIGNAL OUTPUT) Sends vehicle speed signal Depending on vehicle speed: pulses
41 WHT STS (STARTER SWITCH SIGNAL) Detects starter switch signal With vehicle in START mode: battery voltage With vehicle in other than START mode: about 0 V
42 ORN SCS (SERVICE CHECK SIGNAL) Detects service check signal With service check signal shorted using the HDS: about 0 VWith service check signal opened: about 5.0 V

*1: USA and Canada models

*2: With navigation

Terminal number Wire color Terminal name Description Signal
43 WHT NEP (ENGINE SPEED PULSE) Outputs engine speed pulse With engine running: pulses
44 PNK CRK OUT (CRANKSHAFT POSITION (CKP) OUTPUT SIGNAL) Sends CKP signal to engine mount control unit With engine running: pulses
45 BLU TDC OUT (CAMSHAFT POSITION (CMP) OUTPUT SIGNAL) Sends CMP signal to engine mount control unit With engine running: pulses
46 WHT PADDLE SW UP (PADDLE SHIFTER+ (UPSHIFT SWITCH)) Detects paddle shifter + (upshift switch) signal With vehicle in ON mode and paddle shifter+ (upshift switch) pressed: about 0 V
With vehicle in ON mode and paddle shifter+ (upshift switch) released: battery voltage
47 ORN PADDLE SW DOWN (PADDLE SHIFTER- (DOWNSHIFT SWITCH)) Detects paddle shifter - (downshift switch) signal With vehicle in ON mode and paddle shifter- (downshift switch) pressed: about 0 V
With vehicle in ON mode and paddle shifter- (downshift switch) released: battery voltage
48 Not used Not used    
49*1 LT GRN PTANK (FUEL TANK PRESSURE (FTP) SENSOR) Detects FTP sensor signal With vehicle in ON mode and fuel fill cap removed: about 2.5 V

*1: USA and Canada models

*2: With navigation

GHH72930Courtesy of HONDA, U.S.A., INC.
Terminal number Wire color Terminal name Description Signal
1 BLK PG2 (POWER GROUND) Ground circuit for PCM Less than 0.2 V at all times
2 TAN IG1(VBSOL) (POWER SOURCE FOR SOLENOID VALVES) Power source for solenoid valves With vehicle in ON mode: battery voltage
3 YEL IGP (POWER SOURCE) Power source for PCM circuit With vehicle in ON mode: battery voltage
4 GRN INJ 1 (No. 1 INJECTOR) Drives No. 1 injector With vehicle in ON mode: battery voltageAt idle: duty controlled
5 PNK INJ 5 (No. 5 INJECTOR) Drives No. 5 injector
6 TAN INJ 4 (No. 4 INJECTOR) Drives No. 4 injector
7 BLU INJ 3 (No. 3 INJECTOR) Drives No. 3 injector
8 RED INJ 2 (No. 2 INJECTOR) Drives No. 2 injector
9 LT BLU INJ 6 (No. 6 INJECTOR) Drives No. 6 injector
10 PUR LINEAR B+ (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B) Drives A/T clutch pressure control solenoid valve B With vehicle in ON mode: current controlled
11 BLK PG1 (POWER GROUND) Ground circuit for PCM Less than 0.2 V at all times
12 BRN LG (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
Terminal number Wire color Terminal name Description Signal
13 GRY IG1(RUN/CRK) (IGNITION SIGNAL) Detects ignition signal With vehicle in ON mode: battery voltage
14 TAN LINEAR D+ (AT CLUTCH PRESSURE CONTROL SOLENOID VALVE D) Drives A/T clutch pressure control solenoid valve D With vehicle in ON mode: current controlled
15 LT GRN PLA (LINE PRESSURE SOLENOID VALVE A) Drives line pressure solenoid valve A With engine running in 1st or reverse gears: about 0 VWith engine running in any gear other than 1st or reverse gear: battery voltage
16 BLU CRK (CRANKSHAFT POSITION (CKP) SENSOR) Detects CKP sensor signal With engine running: pulses
17 GRY TDC (CAMSHAFT POSITION (CMP) SENSOR) Detects CMP sensor signal With engine running: pulses
18 Not used Not used    
19 Not used Not used    
20 LT BLU CSS B (CYLINDER STOP SOLENOID B) Drives rocker arm oil control solenoid B (Bank 1) With vehicle in ON mode or at idle: about 0 V
21 YEL IGN PULSE 5 (No. 5 IGNITION COIL PULSE) Drives No. 5 ignition coil With vehicle in ON mode: about 0 VWith engine running: pulses
22 TAN IGN PULSE 6 (No. 6 IGNITION COIL PULSE) Drives No. 6 ignition coil
23 WHT/RED VS+B1 (VS CELL+BANK 1) Detects rear A/F sensor (Bank 1, sensor 1) VS CELL signal With warmed up engine running:about 3.4-4.8 V
24 BLU VS+B2 (VS CELL+BANK 2) Detects front A/F sensor (Bank 2, sensor 1) VS CELL signal With warmed up engine running:about 3.4-4.8 V
25 RED VECNT B1 (VIRTUAL GROUND BANK 1) Provides reference voltage for rear A/F sensor (Bank 1, sensor 1) With warmed up engine at idle: about 3.4-3.8 V
26 BLU SO2 B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S (BANK 2, SENSOR 2))) Detects front secondary HO2S (Bank 2, sensor 2) signal With throttle fully opened from idle and warmed up engine: about 0.6 V*With throttle quickly closed: below 0.4 V*(*: between SO2 B2 terminal and SO2SG B2 terminal)
27 RED TH 1 (THROTTLE POSITION (TP) SENSOR A) Detects TP sensor A signal With vehicle in ON mode and accelerator pedal pressed: about 3.9 VWith vehicle in ON mode and accelerator pedal released: about 0.9 V
28 PNK VCC5 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
29 Not used Not used    
30 LT BLU VCM SW C (ROCKER ARM OIL PRESSURE SWITCH C) Detects front rocker arm oil pressure switch signal With vehicle in ON mode or at idle: battery voltage
31 PNK LINEAR C+ (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C) Drives A/T clutch pressure control solenoid valve C With vehicle in ON mode: current controlled
Terminal number Wire color Terminal name Description Signal
32 BLU IGNPULSE 3 (No. 3 IGNITION COIL PULSE) Drives No. 3 ignition coil With vehicle in ON mode: about 0 VWith engine running: pulses
33 LT BLU IGNPULSE 4 (No. 4 IGNITION COIL PULSE) Drives No. 4 ignition coil
34 BRN VCENT B2 (VIRTUAL GROUND BANK 2) Provides reference voltage for front A/F sensor (Bank 2, sensor 1) With warmed up engine at idle: about 3.4-4.8 V
35 WHT SO2 B1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S (BANK 1, SENSOR 2))) Detects rear secondary HO2S (Bank 1, sensor 2) signal With throttle fully opened from idle and warmed up engine: about 0.6 V*With throttle quickly closed: below 0.4 V*(*: between SO2 B1 terminal and SO2G B1 terminal)
36 PUR TH 2 (THROTTLE POSITION (TP) SENSOR B) Detects TP sensor B signal With vehicle in ON mode and accelerator pedal pressed: about 4.1 VWith vehicle in ON mode and accelerator pedal released: about 1.7 V
37 Not used Not used    
38 GRN CSS C (CYLINDER STOP SOLENOID C) Drives rocker arm oil control solenoid A (Bank 2) With vehicle in ON mode or at idle: about 0 V
39 WHT IGNPULSE 1 (No. 1 IGNITION COIL PULSE) Drives No. 1 ignition coil With vehicle in ON mode: about 0 VWith engine running: pulses
40 PUR IGNPULSE 2 (No. 2 IGNITION COIL PULSE) Drives No. 2 ignition coil
41 GRN IP+B1 (IP CELL+ BANK 1) Detects rear A/F sensor (Bank 1, sensor 1) pump cell With engine running: about 2.0-5.6 V
42 PUR IP+B2 (IP CELL+ BANK 2) Detects front A/F sensor (Bank 2, sensor 1) pump cell With engine running: about 2.0-5.6 V
43 GRY SG5 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
44 BLU SG1 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
45 PUR MAP(PB) (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) Detects MAP sensor signal With vehicle in ON mode: about 3.0 VAt idle: about 1.0 V (depending on engine speed)
46 PNK VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
47 RED NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR) Detects input shaft (mainshaft) speed sensor signals With vehicle in ON mode: about 0 V or about 5.0 VWith engine running in N: pulses
48 TAN NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) Detects output shaft (countershaft) speed sensor signal With vehicle in ON mode: about 0 V or about 5.0 VWhile driving: pulses
49 LT GRN CSS A (CYLINDER STOP SOLENOID A) Drives rocker arm oil control solenoid A (Bank 1) With vehicle in ON mode or at idle: about 0 V
GHH72931Courtesy of HONDA, U.S.A., INC.
Terminal number Wire color Terminal name Description Signal
1 BLK PG1 (POWER GROUND ETCS) Ground circuit for PCM Less than 0.2 V at all times
2 LT BLU MTR2 (THROTTLE ACTUATOR +SIDE) Drives throttle actuator With vehicle in ON mode: about 0 V
3 GRN MTR1 (THROTTLE ACTUATOR -SIDE) Ground for throttle actuator With vehicle in ON mode: about 0 V
4 BRN IG1M(DBW) (IGNITION SIGNAL ETCS) Detects ignition signal With vehicle in ON mode: battery voltage
5 PUR SO2HT B1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S (BANK 1, SENSOR 2) HEATER CONTROL) Drives rear secondary HO2S (Bank 1, sensor 2) heater With vehicle in ON mode: battery voltageWith warmed up engine running: duty controlled
6 TAN 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 With vehicle in ON mode: battery voltageWith warmed up engine running:about 0 V or duty controlled
7 YEL SO2HT B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S (BANK 2, SENSOR 2) HEATER CONTROL) Drives front secondary HO2S (Bank 2, sensor 2) heater With vehicle in ON mode: battery voltageWith warmed up engine running: duty controlled
8 GRY AFHT B2 (FRONT AIR FUEL RATIO (FRONT A/F) SENSOR (BANK 2, SENSOR 1) HEATER CONTROL) Drives front A/F sensor (Bank 2, sensor 1) heater With vehicle in ON mode: battery voltageWith warmed up engine running:about 0 V or duty controlled
9 GRN SHC (SHIFT SOLENOID VALVE C) Drives shift solenoid valve C With engine running in N, D, and S during no lock-up condition: about 0 VWith engine running in P, R, D, and S during lock-up condition: battery voltage
10 LT BLU E-EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) Drives EGR valve With EGR operating: duty controlledWith EGR not operating: about 0 V
11 RED PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) Drives EVAP canister purge valve With engine running, engine coolant below 140 °F (60 °C): battery voltageWith engine running, engine coolant above 140 °F (60 °C): duty controlled
12 BRN LG (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
Terminal number Wire color Terminal name Description Signal
13 Not used Not used    
14 YEL LIN    
15 Not used Not used    
16 Not used Not used    
17 RED ATP-S (TRANSMISSION RANGE SWITCH S POSITION) Detects transmission range switch S position signal In S: about 0 VIn any position other than S: battery voltage
18 RED/BLU KNOCK (KNOCK SENSOR) Detects knock sensor signal With engine knocking: pulses
19 Not used Not used    
20 Not used Not used    
21 RED VCC6 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
22 TAN VCC2 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
23 YEL TW2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) Detects ECT sensor 2 signal With vehicle in ON mode: about 0.1-4.8 V (depending on engine coolant temperature)
24 LT BLU OP5 SW (TRANSMISSION FLUID PRESSURE SWITCH D (5TH CLUTCH)) Detects transmission fluid pressure switch D (5th clutch) signal With engine running: Without 5th clutch pressure: about 5.0 V
With 5th clutch pressure: about 0 V
25 GRN SG6 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
26 GRY SG2 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
27 LT GRN ATP-D (TRANSMISSION RANGE SWITCH D POSITION) Detects transmission range switch D position signal In D: about 0 VIn any position other than D: battery voltage
28 YEL ATP-FWD (TRANSMISSION RANGE SWITCH FWD POSITION) Detects transmission range switch D and S position signals In D and S: about 0 VIn any position other than D and S: battery voltage
29 PNK ATPRVS (TRANSMISSION RANGE SWITCH RVS POSITION) Detects transmission range switch R position signal In R: about 0 VIn any position other than R: battery voltage
30 BLU SHA (SHIFT SOLENOID VALVE A) Drives shift solenoid valve A With engine running in 1st and 2nd gears:battery voltageWith engine running in any gear other than 1st and 2nd: about 0 V
31 RED LINEAR A+ (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A) Drives A/T clutch pressure control solenoid valve A With vehicle in ON mode: current controlled
32 PUR OP SENSOR (ENGINE OIL PRESSURE) Detects rocker arm oil pressure sensor signal With vehicle in ON mode: about 0.8 V(depending on engine oil pressure)
33 BLU SO2SG B1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S (BANK 1, SENSOR 2)) SENSOR GROUND) Sensor ground for rear secondary HO2S (Bank 1, sensor 2) With vehicle in ON mode: about 1.5 V
34 GRY TA (INTAKE AIR TEMPERATURE (IAT) SENSOR) Detects IAT sensor signal With vehicle in ON mode: about 0.1-4.8 V(depending on intake air temperature)
Terminal number Wire color Terminal name Description Signal
35 WHT ATP-R (TRANSMISSION RANGE SWITCH R POSITION) Detects transmission range switch R position signal In R: about 0 VIn any position other than R: battery voltage
36 PUR ATP-N (TRANSMISSION RANGE SWITCH N POSITION) Detects transmission range switch N position signal In N: about 0 VIn any position other than N: battery voltage
37 LT GRN OP2 SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) Detects transmission fluid pressure switch A (2nd clutch) signal With engine running: Without 2nd clutch pressure: about 5.0 V
With 2nd clutch pressure: about 0 V
38 TAN SHB (SHIFT SOLENOID VALVE B) Drives shift solenoid valve B With engine running in 1st, 2nd, and 3rd gears (upshift condition): battery voltageWith engine running in any gear other than 1st, 2nd, and 3rd (upshift condition): about 0 V
39 Not used Not used    
40 BLU VCM SW B (ROCKER ARM OIL PRESSURE SWITCH B) Detects rear rocker arm oil pressure switch signal With vehicle in ON mode or at idle: battery voltage
41 GRN OP6 SW (TRANSMISSION FLUID PRESSURE SWITCH E (6TH CLUTCH)) Detects transmission fluid pressure switch E (6th clutch) signal With engine running: Without 6th clutch pressure: about 5.0 V
With 6th clutch pressure: about 0 V
42 PNK TW (ENGINE COOLANT TEMPERATURE SENSOR (ECT) SENSOR 1) Detects ECT sensor 1 signal With vehicle in ON mode: about 0.1-4.8 V(depending on engine coolant temperature)
43 GRN TATF (ATF TEMPERATURE SENSOR) Detects ATF temperature sensor signal With vehicle in ON mode: about 0.2-4.0 V(about 1.8 V at operating temperature, depending on ATF temperature)
44 PUR EGRL (EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR) Detects EGR valve position sensor signal With engine running: about 1.2-3.0 V(depending on EGR valve lift)
45 BRN OPPLSW (LINE PRESSURE SWITCH) Detects line pressure switch signal With engine running: Without line pressure: about 5.0 V
With line pressure: about 0 V
46 WHT SO2SG B2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S (BANK 2, SENSOR 2)) SENSOR GROUND) Sensor ground for front secondary HO2S (Bank 2, sensor 2) With vehicle in ON mode: about 1.5 V
47 BLU OP4 SW (TRANSMISSION FLUID PRESSURE SWITCH C (4TH CLUTCH)) Detects transmission fluid pressure switch C (4th clutch) signal With engine running: Without 4th clutch pressure: about 5.0 V
With 4th clutch pressure: about 0 V
48 LT BLU OP3 SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) Detects transmission fluid pressure switch B (3rd clutch) signal With engine running: Without 3rd clutch pressure: about 5.0 V
With 3rd clutch pressure: about 0 V
49 Not used Not used