ECM/PCM Inputs and Outputs at Connector C (◦) (49P): Notes
WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR TERMINAL REFERENCE TABLE
| Terminal number | Wire color | Terminal name | Description | Signal | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | WHT (2) PNK(4) |
IG1ETCS (IGNITION SIGNAL ETCS) | Detects ignition signal | With ignition switch ON (II): battery voltage | ||||||||
| 2 | BRN(2) BLK(4) |
PGM ETCS (POWER GROUND ETCS) | Ground circuit for ECM/PCM circuit | 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 1.8 V |
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| 4 | YEL/RED (2) TAN (4) |
ETCSM+ (THROTTLE ACTUATOR +SIDE) | Drives throttle actuator | About 1.5 V immediately after turning ignition switch ON (II), then about 0 V | ||||||||
| 5 | BRN (2) LT GRN (4) |
INJ1 (No. 1 INJECTOR) | Drives No. 1 injector | At idle: duty controlled With ignition switch ON (II): battery voltage |
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| 6 | RED (2) TAN (4) |
INJ2 (No. 2 INJECTOR) | Drives No. 2 injector | |||||||||
| 7 | BLU | INJ3 (No. 3 INJECTOR) | Drives No. 3 injector | |||||||||
| 8 | YEL (2) RED (4) |
INJ4 (No. 4 INJECTOR) | Drives No. 4 injector | |||||||||
| 9 | GRN | AFSHTC (AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL (SENSOR 1)) | Drives A/F sensor heater (sensor 1) | With ignition switch ON (II): battery voltage With warmed up engine running: duty controlled |
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| 10 | BLK/RED (2) TAN (4) |
IG1 (IGNITION SIGNAL) | Detects ignition signal | With ignition switch ON (II): battery voltage | ||||||||
| 11 | GRN/RED (2) PUR (4) |
MAP (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) | Detects MAP sensor signal | With ignition switch ON (II): about 3.0 V At idle: about 1.0 V (depending on engine speed) |
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| 12 | BLU (2) WHT (4) |
VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||||
| 13 | YEL/RED (2) PNK (4) |
VCC1 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||||
| 14 | GRN/WHT (2) BLU (4) |
SG1 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||||||
| 15 | WHT | IGPLS1 (No. 1 IGNITION COIL PULSE) | Drives No. 1 ignition coil | With ignition switch ON (II): about 0 V With engine running: pulses |
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| 16 | WHT/GRN (2) GRN (4) |
IGPLS2 (No. 2 IGNITION COIL PULSE) | Drives No. 2 ignition coil | |||||||||
| 17 | WHT/BLK (2) TAN (4) |
IGPLS3 (No. 3 IGNITION COIL PULSE) | Drives No. 3 ignition coil | |||||||||
| 18 | WHT/BLU (2) LT BLU (4) |
IGPLS4 (No. 4 IGNITION COIL PULSE) | Drives No. 4 ignition coil | |||||||||
| 20 | RED/BLK (2) PUR (4) |
TPSA (THROTTLE POSITION (TP) SENSOR A) | Detects TP sensor A signal | With ignition switch ON (II) and accelerator pedal released: about 0.8 V With ignition switch ON (II) and accelerator pedal pressed: about 3.9 V |
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| 21 | RED | TPSB (THROTTLE POSITION (TP) SENSOR B) | Detects TP sensor B signal | With ignition switch ON (II) and accelerator pedal released: about 1.7 V With ignition switch ON (II) and accelerator pedal pressed: about 4.1 V |
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| 22 | BLU/BLK (2) BLU (4) |
VTPSW (ROCKER ARM OIL PRESSURE SWITCH) | Detects rocker arm oil pressure switch signal | At idle: about 0 V | ||||||||
| 29 | RED (2) PNK (4) |
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 (2) TAN (4) |
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 | ||||||||
| 43 | GRN (2) BLU (4) |
SG3 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||||||
| 44 | BRN/YEL (2) BRN (4) |
LG1 (LOGIC GROUND) | Ground circuit for ECM/PCM circuit | Less than 0.2 V at all times | ||||||||
| 46 | RED/BLU (1) WHT (3) |
KS (KNOCK SENSOR) | Detects knock sensor signal | With engine knocking: pulses | ||||||||
| 48 | BRN/YEL (2) BRN (4) |
LG2 (LOGIC GROUND) | Ground circuit for ECM/PCM circuit | Less than 0.2 V at all times | ||||||||
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