ECM/PCM Inputs and Outputs at Connector C (○) (49P)
NOTE: Standard battery voltage is about 12 V.
Terminal number
Wire color
Terminal name
Description
Signal
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 0.8 V
21
RED/BLU
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
23
BLU/WHT
VTC (VTC OIL CONTROL SOLENOID VALVE)
Drives VTC oil control solenoid valve
With ignition switch ON (II): about 0 V
  27 *2
GRN/BLK
RVS (REVERSE LOCK SOLENOID VALVE)
Drives reverse lock solenoid valve
With ignition switch ON (II): battery voltage
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
CMPB (CAMSHAFT POSITION (CMP) SENSOR B)
Detects CMP sensor B signal
With engine running: pulses
32
BLU/YEL
CKP (CRANKSHAFT POSITION (CKP) SENSOR)
Detects CKP sensor signal
With engine running: pulses
40
BLU/YEL
MCS (ENGINE MOUNT CONTROL SOLENOID VALVE)
Drives engine mount control solenoid
At idle: about 0 V
Above idle: battery voltage
With ignition switch ON (II): battery voltage
  41 *3
GRN
OILLVL (ENGINE OIL LEVEL SENSOR SIGNAL)
Detects engine oil level sensor signal
With ignition switch ON (II): pulses
43
GRN
SG3 (SENSOR GROUND)
Sensor ground
Less than 0.5 V at all times
44
BRN/YEL
LG1 (LOGIC GROUND)
Ground circuit for ECM/PCM circuit
Less than 0.5 V at all times
45
BLU/WHT
CMPA (CAMSHAFT POSITION (CMP) SENSOR A)
Detects CMP sensor A signal
With engine running: pulses
46
RED/BLU
KS (KNOCK SENSOR)
Detects knock sensor signal
With engine knocking: pulses
48
BRN/YEL
LG2 (LOGIC GROUND)
Ground circuit for ECM/PCM circuit
Less than 0.5 V at all times

*2:
M/T
*3:
Except KQ model