LEMON Manuals: Even more car manuals for everyone
Home >> Honda >> 2013 >> Insight Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel And Emissions Systems >> System Description >> PCM Inputs and Outputs at PCM Connector C (◦) (49P)

PCM Inputs and Outputs at PCM Connector C (◦) (49P)

Fig 1: PCM Connector C Terminals Layout
G08092154Courtesy of AMERICAN HONDA MOTOR CO., INC.
Terminal number Wire color Terminal name Description Signal
1 WHT IG1ETCS (IGNITION SIGNAL ETCS) Detects ignition signal With ignition switch ON (II): battery voltage
2 BLK PGMETCS (POWER GROUND ETCS) Ground circuit for PCM Less than 0.2 V at all times
3 YEL ETCSM - (THROTTLE ACTUATOR - SIDE) Ground for throttle actuator With ignition switch ON (II) and accelerator pedal released: about 0 V
With ignition switch ON (II) and accelerator pedal pressed: about 1.7 V
4 YEL/RED ETCSM + (THROTTLE ACTUATOR +SIDE) Drives throttle actuator About 1.5 V immediately after turning ignition switch ON (II), then about 0 V
5 BRN INJ1 (No. 1 INJECTOR) Drives No. 1 injector At idle: duty controlled
With ignition switch ON (II): battery voltage
6 RED INJ2 (No. 2 INJECTOR) Drives No. 2 injector
7 BLU INJ3 (No. 3 INJECTOR) Drives No. 3 injector
8 YEL INJ4 (No. 4 INJECTOR) Drives No. 4 injector
9 GRN AFSHTC (AIR FUEL RATIO(A/F) SENSOR (SENSOR 1) HEATER CONTROL) Drives A/F sensor (sensor 1) heater With ignition switch ON (II): battery voltage
With warmed up engine running: duty controlled
10 BLK/RED IG1 (IGNITION SIGNAL) Detects ignition signal With ignition switch ON (II): battery voltage
12 BLU VCC3 (SENSOR VOLTAGE) Provides sensor reference voltage With ignition switch ON (II): about 5.0 V
13 YEL/RED VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage With ignition switch ON (II): about 5.0 V
14 GRN/WHT SG1 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
15 WHT IGPLS1I (No. 1 FRONT IGNITION COIL PULSE) Drives No. 1 intake side ignition coil With ignition switch ON (II): about 0 V
With engine running: pulses
16 WHT/GRN IGPLS2I (No. 2 FRONT IGNITION COIL PULSE) Drives No. 2 intake side ignition coil
17 WHT/BLK IGPLS3I (No. 3 FRONT IGNITION COIL PULSE) Drives No. 3 intake side ignition coil
18 WHT/BLU IGPLS4I (No. 4 FRONT IGNITION COIL PULSE) Drives No. 4 intake side ignition coil
20 RED/BLK TPSA (THROTTLE POSITION (TP) SENSOR A) Detects TP sensor A signal With ignition switch ON (II) and accelerator pedal pressed: about 3.9 V
With ignition switch ON (II) and accelerator pedal released: about 0.9 V
21 RED TPSB (THROTTLE POSITION (TP) SENSOR B) Detects TP sensor B signal With ignition switch ON (II) and accelerator pedal pressed: about 4.1 V
With ignition switch ON (II) and accelerator pedal released: about 1.7 V
24 YEL VTS2 (ROCKER ARM OIL CONTROL SOLENOID A) Drives rocker arm oil control solenoid A At idle: about 0 V
25 WHT/BLK POILCSA (ROCKER ARM OIL PRESSURE SENSOR A) Detects rocker Arm oil pressure sensor signal With ignition switch ON (II): about 0.8 V
With engine running: about 0.8 V (depending on engine oil pressure)
29 RED AFS+ (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) +SIDE) Detects A/F sensor (sensor 1) signal At idle: about 2.2 V
30 RED/YEL AFS- (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) -SIDE) Detects A/F sensor (sensor 1) signal At idle: about 1.8 V
31 GRN CMP (CAMSHAFT POSITION (CMP) SENSOR) Detects CMP sensor signal With engine running: pulses
32 BLU CKP (CRANKSHAFT POSITION (CKP) SENSOR) Detects CKP sensor signal With engine running: pulses
35 WHT IMACANH (CAN COMMUNICATION SIGNAL HIGH) Detects communication signal to motor control module (MCM) With ignition switch ON (II): pulses
36 RED IMACANL(CAN COMMUNICATION SIGNAL LOW) Detects communication signal to motor control module (MCM) With ignition switch ON (II): pulses
37 BLK SO2SG (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) GROUND) Sensor ground  
38 BLK KSGND(KNOCK SENSOR GROUND) Ground for knock sensor Less than 0.2 V at all times
39 BLU PDN (CVT DRIVEN PULLEY PRESSURE SENSOR) Detects CVT driven pulley pressure sensor signal Driven pulley pressure 0 MPa: about 0 V
Driven pulley pressure 2 MPa: about 5.0 V
43 GRN SG3 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
44 BRN/YEL LG1 (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
46 WHT KS (KNOCK SENSOR) Detects knock sensor signal With engine knocking: pulses
49 BRN/YEL LG2 (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times