Glasair 446 Library:

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  Contents:

General Airframe Documents: 2001 Subaru Legacy 2.5L SOHC MT Research Documents:
 Updated Dec '08: Glasair 446 Airframe Electrical Diagrams Miscellaneous Engine Documents
Glasair 446 Electronics Installation Manuals EFI Component Locations
Glasair 446 Miscellaneous Systems Installations EFI Wiring and Supporting Diagrams
  EFI Diagnostic Trouble Codes
File Viewers Old AirSIG File Archives (1997-1999)

The most important document for anyone building or repairing an aircraft:

AC 43.13.1B Acceptable methods, techniques and practices - Aircraft inspection and repair

File Viewers:  Acrobat Reader   MS Word   MS Excel  DXF Viewer

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"Nothing is fool-proof because fools are to ingenious."


Glasair 446 Airframe electrical diagrams:    (back to top)    (back to Electrical Page)

NEWInteractive Electrical Diagrams

Subaru Specific Electrical:  (these are included in the Interacive Electrical Diagrams)

Subaru1.PDF: (19kb) Subaru ECU modified harness wiring sheet 1.

Subaru2.PDF: (16kb) Subaru ECU modified harness wiring sheet 2.

Subaru3.PDF: (24kb) Subaru ECU modified harness wiring sheet 3.

Subaru4.PDF: (13kb) Subaru ECU modified harness wiring sheet 4.

Subaru5.PDF: (20kb) Subaru ECU modified harness wiring sheet 5.

Subaru6.PDF: (22kb) Subaru ECU modified harness wiring sheet 6.

Subaru7.PDF: (16kb) Subaru ECU modified harness wiring sheet 7.

Subaru8.PDF: (13kb) Subaru ECU modified harness wiring sheet 8.

Glasair 446 Electronics installation manuals:    (back to top) 

AK-450 ELT :  See http://www.ameri-king.com/.

BMA EFISlite V2.15:  See http://www.bluemountainavionics.com. V2.20 Pilots Guide

EIS 2000 installation manual with Subaru settings information. (229kb)

EC2 EFI installation manual. (748kb)

Garmin GX327 Transponder installation manual. (950kb)

IC-A200 Comm Radio installation manual. (6mb)  

PM 501 Intercom installation manual. (249kb)

Sky Sports Fuel Gauge and probe installation manual. (201kb)

Glasair 446 miscellaneous systems installations:

Airsoob Lift Reserve Indicator (108kb) and Dwyer gauge face LRI.bmp (209kb)

Canopy Lock Installation  (569kb)

TD to FT Retrofit Instructions:

FTA.doc (429kb) FTC2.doc (389kb)
FTB1.doc (573kb) FTD1.doc (603kb)
FTB2.doc (805kb) FTD2.doc (718kb)
FTC1.doc (717kb)  

For Those Adventurous souls, the FT to TD instructions:

FT2TD/TD_1 (1.2mb) FT2TD/TD_3 (573kb)
FT2TD/TD_2 (1mb)  

Pitot Static Installation  (864kb)

Wing Tip Strobe Installation  (190kb)

Miscellaneous 2001, 2.5L, SOHC engine documents:    (back to top)    (all files under 79kb each) 

(These files are best viewed if you right click on the hyperlink and select "save target as" to download and save to your computer, then view them with a graphics program)

Pulley Information  Picture of the front of the H4 engine pulleys. Used to define the manual transmission crank pulley from the automatic transmission crank pulley.

ECU cross reference  NEW 11/25/2006 This new chart was supplied by Carr Subaru.

Timing Marks  Be sure you get all the pulleys lined up correctly.

Coil Inspection specifications.

Stock PCV system  I'm not using this system, but this is how it works.

Stock Fuel Vent system This is the system that is by-passed with the SIB - box  (bottom of linked page) from Smallcar.com.

2001, 2.5L, SOHC engine EFI component location files:    (back to top)   (all files under 79kb each)

(These files are best viewed if you right click on the hyperlink and select "save target as" to download and save to your computer, then view them with a graphics program)

Under hood sensor

Under hood sensor close ups 

Fuel tank 

Under hood emission and ignition 

Emission and ignition close ups 

Evaporative 

Fuel delivery 

Fuel delivery close ups

Engine harness connection descriptions

Engine harness connection locations

2001, 2.5L, SOHC engine EFI wiring diagrams:    (back to top)   (all files under 79kb each)

(These files are best viewed if you right click on the hyperlink and select "save target as" to download and save to your computer, then view them with a graphics program)

These are the engine (EG) and power supply (P-SUP) schematics.

EG(H4)MT-01    EG(H4)MT-02    EG(H4)MT-03    EG(H4)MT-04    EG(H4)MT-05    EG(H4)MT-06    EG(H4)MT-07    EG(H4)MT-08

Power supply schematics:  P-SUP-01    P-SUP-02    P-SUP-03    P-SUP-04  

Subaru ECU input and output listings:  EG(H4)IO-1EG(H4)IO-2EG(H4)IO-3

Other supporting schematics:  A/C(M)-01   AC(M)-02   R/DEF-01   R/F(H4)-01   ILLUMI-01  ST(MT)-01

2001, 2.5L, SOHC engine EFI diagnostic trouble codes:    (back to top)   (all files under 79kb each)

(These files are best viewed if you right click on the hyperlink and select "save target as" to download and save to your computer, then view them with a graphics program)

Clicking on a code will load the first troubleshooting flow chart for that code. Some have more than one page (part 2, etc...), clicking these will load the next page. The easiest way to find a code is to press "CTRL-F" and enter it in the search.

P0031 (part 2) Front oxygen (A/F) sensor heater circuit low input

P0032 Front oxygen (A/F) sensor heater circuit high input

P0037 (part 2) Rear oxygen sensor heater circuit malfunction

P0038 (part 2) Rear oxygen sensor heater circuit high input

P0065 Air assist injector solenoid valve malfunction

P0066 Air assist injector solenoid valve circuit low input

P0067 Air assist injector solenoid valve circuit high input

P0106 Intake manifold pressure sensor circuit range/performance problem

P0107 (part 2) Intake manifold pressure sensor circuit low input

P0108 (part 2) Intake manifold pressure sensor circuit high input

P0111 Intake air temperature sensor circuit range/performance problem

P0112 Intake air temperature sensor circuit low input

P0113 (part 2) Intake air temperature sensor circuit high input

P0116 Engine coolant temperature sensor circuit low

P0117 (part 2) Engine coolant temperature sensor high input

P0118  (part 2) Engine coolant temperature sensor high input

P0121 Throttle position sensor circuit range/performance problem (high input)

P0122 (part 2) Throttle position sensor circuit low input

P0123 Throttle position sensor circuit high input

P0125 Insufficient coolant temperature for closed loop fuel control

P0128 Thermostat malfunction

P0130  (part 2) Front oxygen (A/F) sensor circuit range/performance problem (lean)

P0131 Front oxygen (A/F) sensor circuit range/performance problem (low input)

P0132 Front oxygen (A/F) sensor circuit range/performance problem (high input)

P0133 Front oxygen (A/F) sensor circuit slow response

P0136 (part 2) (part 3) Rear oxygen sensor circuit malfunction

P0139 Rear oxygen sensor circuit slow response

P0141 (part 2) (part 3) Rear oxygen sensor heater circuit low input

P0170 (part 2) Fuel trim malfunction

P0171 (part 2) (part 3) Fuel trim malfunction (A/F too lean)

P0172 (part 2) (part 3) Fuel trim malfunction (A/F too rich)

P0181 Fuel temperature sensor A circuit range/performance problem.

P0182 Fuel temperature sensor A circuit low input

P0183 (part 2) Fuel temperature sensor A circuit high input

P0301 (part 2) (part 3) (part 4) (part 5) (part 6) (part 7) Cylinder 1 misfire detected

P0302 (part 2) (part 3) (part 4) (part 5) (part 6) (part 7) Cylinder 2 misfire detected

P0303 (part 2) (part 3) (part 4) (part 5) (part 6) (part 7) Cylinder 3 misfire detected

P0304 (part 2) (part 3) (part 4) (part 5) (part 6) (part 7) Cylinder 4 misfire detected

P0325 (part 2) Knock sensor circuit malfunction

P0327 Knock sensor circuit low input

P0328 Knock sensor circuit high input

P0335 Crankshaft position sensor circuit malfunction

P0336 Crankshaft position sensor circuit range/performance problem

P0340 Camshaft position sensor circuit malfunction

P0341 (part 2) Camshaft position sensor circuit range/performance problem

P0420 Catalyst system efficiency below threshold

P0440 (part 2) Evaporative emission control system malfunction

P0442 (part 2) Evaporative emission control system malfunction

P0443 (part 2) Evaporative emission control system control valve circuit low input

P0444 (part 2) Evaporative emission control system purge control valve low input

P0445 Evaporative emission control system purge control valve high input

P0446 (part 2) Evaporative emission control system vent control low input

P0447 (part 2) Evaporative emission control system vent control low input

P0448 Evaporative emission control system vent control high input

P0451 Evaporative emission control system pressure sensor range/performance problem

P0452 (part 2) Evaporative emission control system pressure sensor low input

P0453 (part 2) Evaporative emission control system pressure sensor high input

P0456 (part 2) Evaporative emission control system malfunction

P0461 Fuel level sensor circuit range/performance problem

P0462 (part 2) (part 3) Fuel level sensor circuit low input

P0463 (part 2) (part 3) Fuel level sensor circuit high input

P0464 Fuel level sensor intermittent input

P0480 Cooling fan relay 1 circuit low input

P0483 Cooling fan function problem

P0500 Vehicle speed sensor malfunction

P0505 Idle control system circuit low input

P0506 Idle control system RPM lower than expected

P0507 Idle control system RPM higher than expected

P0512 Starter switch circuit high input

P0601 Internal control module memory check sum error

P0604 Internal control module memory check sum error

P1100 Starter switch circuit low input

P1101 Neutral position switch circuit low input

P1110 Atmospheric pressure sensor circuit low input

P1111 Atmospheric pressure sensor circuit high input

P1112 Atmospheric pressure sensor circuit range/performance problem

P1120 Starter switch circuit high input

P1121 Neutral position switch circuit high input

P1130 Front oxygen (A/F) sensor circuit malfunction (open circuit)

P1131 Front oxygen (A/F) sensor circuit malfunction (short circuit)

P1132 (part 2) (part 3) Front oxygen (A/F) sensor heater circuit low input

P1133 Front oxygen (A/F) sensor heater circuit high input

P1134 Front oxygen (A/F) sensor micro-computer problem

P1137 (part 2) Front oxygen (A/F) sensor circuit range/performance problem

P1139 Front oxygen (A/F) sensor #1 heater circuit range/performance problem

P1142 Throttle position sensor circuit range/performance problem (low input)

P1146 (part 2) Pressure sensor circuit range/performance problem (high input)

P1151 Rear oxygen sensor heater circuit high input

P1400 (part 2) (part 3) Fuel tank pressure control solenoid valve circuit low input

P1420 Fuel tank pressure control solenoid valve circuit high input

P1422 Evaporative emission control system purge control valve circuit high input

P1423 Evaporative emission control system vent control high input

P1442 Fuel level sensor circuit range/performance problem 2

P1443 Evaporative emission control system vent control function problem

P1480 Cooling fan relay 1 circuit high input

P1505 Idle control system circuit high input

P1507 Idle control system malfunction (fail-safe)

P1510 (part 2) Idle air control solenoid valve signal 1 circuit low input

P1511 (part 2) Idle air control solenoid valve signal 1 circuit high input

P1512 (part 2) Idle air control solenoid valve signal 2 circuit low input

P1513 Idle air control solenoid valve signal 2 circuit high input

P1514 Idle air control solenoid valve signal 3 circuit low input

P1515 Idle air control solenoid valve signal 3 circuit high input

P1516 (part 2) Idle air control solenoid valve signal 4 circuit low input

P1517 Idle air control solenoid valve signal 4 circuit high input

P1518 Starter switch circuit low input

P1520 Cooling fan relay 1 circuit high input

P1540 Vehicle speed sensor malfunction 2

P1560 (part 2) Back-up voltage circuit malfunction

P1590 (part 2) Neutral position switch circuit high input

P1591 Neutral position switch circuit low input