rusefi_documentation/Honda-Prelude-1993.md

1993 Honda Prelude

See also Honda Accord 1995

94 accord ex ecu pinout

26 pin

A1	W63	BRowN	Injector #1	Output
A2	W64	YEL	Injector #4	Output
A3	W61	RED	Injector #2	Output
A4	W62	*	*	*
A5	W59	BLUe	Injector #3	Output
A7	W57	GRN/BLK	Fuel Pump Relay	Output, sink/low
A8	W58	*	*	*
A9	W55	BLK/BLU	Idle Air Control Valve	Output, sink/low. 500Hz
A12	W54	GReeN	Radiator Fan Control Module	Output
A13	W51	LTGRN/RED	MIL	Output, low-side
A22	W44	*	*	*
A23	W41	BLK	Power Ground	Ground
A24	W42	BLK	Power Ground	Ground
A25	W39	YEL/BLK	Power Source	Input, +12 if ignition is on
A26	W40	BRN/BLK	Logic Ground	Ground

16 pin

B2	W38	BRN/BLK	Logic Ground	Ground
B10	W30	ORG	Vehicle Speed Sensor	Input (grounded 4 times per speedometer cable revolution)
B11	W27	ORanGe	CYP Signal	Input, one pulse per cam rev
B12	W28	WHT	CYP Ground
B13	CAM-	ORG BLU	TDC Signal	Input, four pulses per cam revolution
B14	CAM+	WHT BLU	TDC Ground
B15	CNK-	BLU GRN	CKP Signal	Input, 24 pulses per cam
B16	CNK+	BLU YEL	CKP Ground

22 pin

D3	W19	*	*	*
D11	W11	RED/BLK	Throttle Position Sensor	Input
D13	W9	RED/WHT	Engine Coolant Temperature Sensor	Input
D15	W7	RED YEL	Intake Air Temperature Sensor	Input (bias pull-up 1.5K)
D16	W8	*	*	*
D17	W5	WHiTe/YELlow	MAP Sensor	Input: 0.32V @ -13.9 PSI, 4.84V @ 10.94 PSI
D20	W4	YEL BLU	VCC2 TPS, EGVL sensor power supply	Output +5V
D21	W1	GRN/WHT	SG1 MAP sensor GND	Ground
D22	W2	GRN BLU	SG2 - Sensors Ground	ground