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The famous E15ET turbo distributor fits in an A12 and uses an optical crank angle sensor. It was used as a trigger for ECU-based electronic spark control. 280ZX Turbo used it as did S13 and many other Nissans.
Contents |
Overview
See D4P
Under the cover plate is a trigger wheel for the ECU.
D4P
Photo: Mitsubishi T4T84471 6626, Nissan 22100-27M15 from USA 1987 KPB12
The crank angle sensor is a thin aluminum disc, which is actually perforated 360 times. In this photo you can make out the screw under the disc, seen through the perforations.
D4P
retouched photo (marked to show degrees)
Note the second (inner) row of perforations. These are the Cam position marks.
E-series CAS
A.k.a. Crankshaft Position Sensor (CPS).
Fits in A12 engine. Only the A12 distributor gear needs to be swapped. For A14/A15 and newer A12, the hold-down needs to be modified
E16I throttle-body fuel injection E15ET EGI multi-port fuel injection
MITSUBISHI Crank Angle Sensor J912 (NISSAN 22100-53J11)
STANDARD MOTOR PRODUCTS # LX653 Rock auto Fits: 1987-1994 Subaru DL/GL/Loyal 1987-1989 Subaru XT 1993-1998 Mercury Villager 3.0 1991-1994 Infiniti G20 SR20DE 1988-1990 Isuzu Trooper 2.6/2.8 1984-1986 Nissan S12 200SX CA18ET 1989-1990 Nissan S13 240SX KA24E 1981-1983 Nissan S130 280ZX Turbo 1984-1989 Nissan Z31 300ZX VG30/VG30T 1986 Nissan 720 Z24I 1990 Nissan Axxess KA24E 1986-1994 Nissan D21 Z24I, VG30, KA24 1985-1994 Nissan Maxima VG30E 1992-1993 Nissan NX GA16DE, SR20DE and many more Nissan
S13 CAS
SR20
SR20DET CAS (for COP) vs SR20DE distributor/CAS
SR20 CAS converted for use with A-series engine.
Nissan optical CAS/CPS unit can be used to trigger MegaSquirt ECU for electronic spark control of coil packs.
KA24DE
J563 S13 KA24 Ignition Optic Sensor Kit BECK/ARNLEY 1800233 STANDARD MOTOR PRODUCTS LX653
CA18DET
FJ CAS
rally1200: the FJ20 dissy has 2 outputs
1. 4 pulses per revolution
2. Reference lots of pulses (360?) per revolution (don’t use)
for my setup i had to drill a small hole in the optic plate to create a 5 pulse next to number 1 pulse (easily done)
Wheels
Nissan discs vary by CPS (inner ring).
FJ20ET wheel has extra round holes
16-12-8-4 wheel
4-2-2-2 (?) wheel S13 KA24DE vs SR20DE
Circular Center hole wheel
Mitsubishi Engines
4G63 sensor J918 - 1990-1994 Mitsubishi & 1992-1995 Hyundai Elantra
1.8, 2.0 & 2.4 DOHC Sirius 4G6 engines
6G72 sensor 928 - notice the wheel has a different pattern from the 4-cylinder.
CPS 'T1T49371 R' from Mitsubishi 3000 GT
H
Constant-pattern trigger wheels - similar to the Nissan wheel - are available from the aftermarket.
Information on using with MegaSquirt ECU. http://forums.turbobricks.com/showthread.php?t=224740
Red +12v Black Ground White Cam signal Yellow Crank signal
Using With A-series
D4P can be used as a trigger for ECU-based electronic spark control and for fuel injection.
See D4P
Coil On Plug
See main article: COP
Control Box
Nissan
A stock Nissan ECU can be used with an A-series engine. Use it with all the stock Fuel Injection parts from the donor Nissan. For spark-only control, leave the injector harness unplugged. Custom spark maps cab be programmed.
MegaSquirt
Nissan optical CAS/CPS unit can be used to trigger MegaSquirt ECU for electronic spark control of coil packs. MegaSquirt III with the latest firmware download can use the stock Nissan trigger wheels, while MegaSquirt II generally require a swap to a special low resolution trigger wheel.
It may also be used for sequential fuel injection.
see COP
Haltech
Haltech supports Nissan Optical CAS.