Honda OBD-0 DPFI to MPFI Comparison Pinouts

OBD0 DPFI to MPFI Comparison Pinouts

DPFI			MPFI
Pin#	Wire Color	Function	Wire Color	Function
A1	Yellow 2	Aux Injector	Brown	#1 Injector
A2	Black 1	Main Relay/Ground	Black 1	Main Relay/Ground
A3	Yellow 1	Aux Injector	Red	#2 Injector
A4	Black 2	Main Relay/Ground	Black 2	Main Relay/Ground
A5	Red 2	Main Injector	Light Blue	#3 Injector
A6	Green	Purge Cut Off Solenoid Valve (Coil)	Green	Purge Cut Off Solenoid Valve (Coil)
A7	Red 1	Main Injector	Yellow 1	#4 Injector
A8	Yellow 3	Sedan LX A/T
A10	Red	EGR Solenoid Control Valve (Coil) (A/T only)
A11	Blue/Yellow	EACV (Coil)	Blue/Yellow	EACV (Coil)
A12	Green/Black 2	Main Relay	Green/Black 2	Main Relay
A13	Yellow/Black 2	Main Relay	Yellow/Black 2	Main Relay/Injector Resistor Box
A14	Green/Black 1	Main Relay	Green/Black 1	Main Relay
A15	Yellow/Black 1	Main Relay	Yellow/Black 1	Main Relay/Injector Resistor Box
A16	Brown/Black	Ground	Brown/Black	Ground
A17
A18	Black/Red	Ground	Black/Red	Ground
Pin#	Wire Color	Function	Wire Color	Function
B1	White/Green	Hazard Fuse	White/Green	Hazard Fuse
B2	Orange	Tandem Control Solenoid Valve	Blue 1	Fast Idle Control Solenoid Valve
B3	Yellow	A/C Clutch Relay	Yellow	A/C Clutch Relay
B4	Yellow/Green	Radiator Fan Relay	Yellow/Green	Radiator Fan Relay
B5	White/Yellow	Alternator	White/Yellow	Alternator
B6	Green/Orange	Check Engine Warning Light	Green/Orange	Check Engine Warning Light
B7	Green/Orange	A/T Shift Position Console Switch (Park, Neutral)
B8	Blue/Red	A/C Switch	Blue/Red	A/C Switch
B9
B10			Orange	Crank Angle Sensor
B11	Green/Black	A/T Shift Position Console Switch (Drive)
B12			White	Crank Angle Sensor
B13	Blue White	Main Relay	Blue White	Main Relay
B14	Blue 2	To Yellow, To Alternator	Blue 2	Alternator
B15	White 1	Ignitor Unit	White 1	Ignitor Unit
B16	Yellow/Red	Speed Sensor	Yellow/Red	Speed Sensor
B17	White 2	Ignitor Unit	White 2	Ignitor Unit
B18
B19	Green/Red	Electric Load Detector	Green/Red	Electric Load Detector
B20	Brown	Ignition Timing Adjusting Connector	Brown	Ignition Timing Adjusting Connector
Pin#	Wire Color	Function	Wire Color	Function
C1	Orange	Crank Angle Sensor	Blue/Green	Cylinder Position Sensor
C2	White 4	Crank Angle Sensor	Blue/Yellow	Cylinder Position Sensor
C3	Orange/Blue	TDC Sensor	Orange/Blue	TDC Sensor
C4	White/Blue	TDC Sensor	White/Blue	TDC Sensor
C5	Red/Yellow	TA Sensor	Red/Yellow	TA Sensor
C6	Red/White 1	TW Sensor	Red/White 1	TW Sensor
C7	Red/Blue	Throttle (Position) Angle Sensor (TPS)	Red/Blue	Throttle (Position) Angle Sensor (TPS)
C8	Yellow	EGR Lift Valve Sensor
C9	Red/White 2	PA Sensor	Red/White 2	PA Sensor
C10	Green/White 3	Brake Switch	Green/White 3	Brake Switch
C11	White 1	MAP Sensor	White 1	MAP Sensor
C12	Green/White 2	EGR Lift Valve Sensor/Pa Sensor/Ignition Timing Adjusting Connector/TA Sensor/TPS Sensor/TW Sensor	Green White 2	Pa Sensor/Ignition Timing Adjusting Connector/TA Sensor/TPS Sensor/TW Sensor
C13	Yellow/White	EGR Lift Valve Sensor/Pa Sensor/TPS Sensor	Yellow/White	Pa Sensor/TPS Sensor
C14	Green/White 1	MAP Sensor	Green/White 1	MAP Sensor
C15	Yellow/Red	MAP Sensor	Yellow/Red	MAP Sensor
C16	White 3	O2 Sensor	White 3	O2 Sensor