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Car Forum / Acura Cars / December 2004Code Reader ( ODBI ) for 90 Legend LS ???
Can anyone suggest a cheap but good ODBI code reader for a 90 Accura Legend LS? I see that Kragen has some dual ODBI / ODBII code readers listed online, but they say they are compliant with DOMESTIC ODBI specifications. They say they are only compliant with Honda / Accura cars being built after 96, so I am guessing they aren't compliant with foreign ODBI cars!?!?!? Maybe I am just confused about this. But if you can clue me in, that would be greatly appreciated. EZ Mark > Can anyone suggest a cheap but good ODBI code reader for a 90 Accura > Legend [quoted text clipped - 9 lines] > > EZ Mark Checker Auto (part of the Krager chain) has a kit called "Import Vehicle Code Reader" for 1983-1995 Toyota/Lexus, Nissan/Infinity and Honda Acura. It cost me $35 and consists of a $30 book with a $3 Toyota jumper tool and a $2 Honda jumper / Nissan screwdriver. If yours has a 2.5 or 2.7 engine, you don't need even the book. Instructions are to warm up the engine first (I assume only if it is practical), turn on the ignition and look at the LEDs on the ECU (it doesn't say where that is on the '90, but 87-89 are by the passenger's toes under the carpet). Codes are flashed out with 2 second pauses between codes. The LED will stop flashing when all codes have been displayed. Codes are erased by unplugging the "Alternator sense" fuse for 10 seconds. The book lists 37 codes, so I don't want to post them all (lazy, ya know) but if you post your codes I can identify them. If your engine is not the 2.5 or 2.7, the book doesn't have a listing. Mike >> Can anyone suggest a cheap but good ODBI code reader for a 90 Accura >> Legend [quoted text clipped - 26 lines] > >Mike The 90 Legend (at least my L coupe) has the LED in the same place, under the carpet in the passenger footwell. You don't need any jumpers. You do need something to decode what X number of flashes means. The 909 Legend uses the 2.7 liter 6. As a public service and because I don't have anything better to do, here are the Honda/Acura codes: 0 ECU or ECU signal (how does one of these display code 0? 1 O2 sensor / circuit 2 same as 1 3 MAP sensor / circuit 4 Crank angle sensor or engine speed sensor 5 same as 3 6 ECT sensor / circuit, automatic transaxle control unit 7 TPS (throttle position) sensor / circuit, automatic transaxle control unit 8 same as 4 9 CMP sensor / circuit (whatever that is) 10 IAT sensor / circuit 11 Idle Mixture Adjuster sensor / circuit 12 No EGR action / faulty EGR valve 13 Baro sensor / circuit 14 Idle Air Control valve / circuit, ignition signal circuit to ECU 15 Ignition output signal to ECU missing 16 Open or shorted fuel injector circuit 17 VSS (vehicle speed sensor) sensor / circuit 18 Ignition Timing Adjustor open or shorted control circuit 19 A/T lockup control solenoid circuit open or shorted 20 Electrical load detector / circuit 21 Spool solenoid valve / open or shorted signal circuit (wonder what *that* is) 22 Valve Timing Electronic Oil pressure switch / open or shorted signal circuit 23 Knock sensor / circuit 30 AT/ECU communication signal A (AT control unit or ECU fault, maybe harness) 31 AT/ECU communication signal B (AT control unit or ECU fault, maybe harness) 35 Traction control / ECU / signal 36 same as 35 41 O2 sensor / heater (left side) 42 O2 sensor / heater (right side) 43 Fuel supply system (left side) (O2 sensor or circuit, or bad fuel delivery) 44 Fuel supply system (right side) (O2 sensor or circuit, or bad fuel delivery) 45 Fuel injector metering (left side) 46 Fuel injector metering (right side) 48 Heated O2 sensor / circuit 53 Right knock sensor / circuit 54 Crank angle sensor #2 or circuit 59 CMP sensor / circuit (whatever that is) #2 The other codes are not listed. Hmm... the server seemed to reject the original post. Trying again... As a public service and because I don't have anything better to do, here are the Honda/Acura codes: 0 ECU or ECU signal (how does one of these display code 0? 1 O2 sensor / circuit 2 same as 1 3 MAP sensor / circuit 4 Crank angle sensor or engine speed sensor 5 same as 3 6 ECT sensor / circuit, automatic transaxle control unit 7 TPS (throttle position) sensor / circuit, automatic transaxle control unit 8 same as 4 9 CMP sensor / circuit (whatever that is) 10 IAT sensor / circuit 11 Idle Mixture Adjuster sensor / circuit 12 No EGR action / faulty EGR valve 13 Baro sensor / circuit 14 Idle Air Control valve / circuit, ignition signal circuit to ECU 15 Ignition output signal to ECU missing 16 Open or shorted fuel injector circuit 17 VSS (vehicle speed sensor) sensor / circuit 18 Ignition Timing Adjustor open or shorted control circuit 19 A/T lockup control solenoid circuit open or shorted 20 Electrical load detector / circuit 21 Spool solenoid valve / open or shorted signal circuit (wonder what *that* is) 22 Valve Timing Electronic Oil pressure switch / open or shorted signal circuit 23 Knock sensor / circuit 30 AT/ECU communication signal A (AT control unit or ECU fault, maybe harness) 31 AT/ECU communication signal B (AT control unit or ECU fault, maybe harness) 35 Traction control / ECU / signal 36 same as 35 41 O2 sensor / heater (left side) 42 O2 sensor / heater (right side) 43 Fuel supply system (left side) (O2 sensor or circuit, or bad fuel delivery) 44 Fuel supply system (right side) (O2 sensor or circuit, or bad fuel delivery) 45 Fuel injector metering (left side) 46 Fuel injector metering (right side) 48 Heated O2 sensor / circuit 53 Right knock sensor / circuit 54 Crank angle sensor #2 or circuit 59 CMP sensor / circuit (whatever that is) #2 The other codes are not listed. Thanks Michael: I also went online and saw there was an equus 3173 code Reader and that it has some information about reading the codes in a manual which, as fortune has it, you can dowload for free (legally!). so I will try that first. Thanks again for pointing me in the right direction. Mark > Thanks Michael: > > I also went online and saw there was an equus 3173 code Reader Your car does not require a "reader". Natman has the right info.  SignatureTeGGeR? The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >> Thanks Michael: >> >> I also went online and saw there was an equus 3173 code Reader > > Your car does not require a "reader". Natman has the right info. True - but the manual has all the codes and the location / how-to / interpretation / reset info he needs. The manual covers a wide range of Japanese vehicles, and some of them require the jumpers that constitute the "code reader." Or a short piece of wire. Mike By the way, Just so I know I understand you guys (and that you understand me), I am trying to read codes when the SYSTEM CHECK light comes on, NOT the Engine Check, since it is the sytem check light that is coming on. Or do I just use the LCD display where the clock is for the system Check??? If there are no codes to be read for system check, then let me know. Maybe system check ONLY comes on when you are due for a oil change (I think that is when my system check light came on, and that is the message that shows up instead of the clock when I start my car). And if it IS only for a reminder that I need an oil change, how do I turn OFF the system check light on my 90 Legend LS? I remember one time I had an oil change done and the shop didn't know how to turn off the system check light. Thanks again, EZ Mark > By the way, Just so I know I understand you guys (and that you understand > me), I am trying to read codes when the SYSTEM CHECK light comes on, NOT [quoted text clipped - 16 lines] > > EZ Mark Oh... never mind. What is the "system check" about - is that really the maintenance reminder (in which case there are no codes, just a reset procedure)? Can anybody clear this up? But at least we all got the skinny on "check engine" codes! 8^) Mike I should have mentione that anyone interested in downloading this amnual can do so by going to the following link: http://www.iequus.com/assets/manuals/3173_ICCR_E_14JAN03.pdf Thanks again >I should have mentione that anyone interested in downloading this amnual > can do so by going to the following link: > > http://www.iequus.com/assets/manuals/3173_ICCR_E_14JAN03.pdf > > Thanks again That's the one I have! For $35 less (sob). Thanks! Thanks Nat_mann; will try to look for it there and see if I can figure it out. Mark >> Can anyone suggest a cheap but good ODBI code reader for a 90 Accura >> Legend [quoted text clipped - 11 lines] >> >Checker Auto (part of the Krager chain) has a kit called "Import Vehicle >Code Reader" for 1983-1995 Toyota/Lexus, Nissan/Infinity and Honda Acura. It >cost me $35 and consists of a $30 book with a $3 Toyota jumper tool and a $2 >Honda jumper / Nissan screwdriver. If yours has a 2.5 or 2.7 engine, you >don't need even the book. Instructions are to warm up the engine first (I >assume only if it is practical), turn on the ignition and look at the LEDs >on the ECU (it doesn't say where that is on the '90, but 87-89 are by the >passenger's toes under the carpet). Codes are flashed out with 2 second >pauses between codes. The LED will stop flashing when all codes have been >displayed. Codes are erased by unplugging the "Alternator sense" fuse for 10 >seconds. The book lists 37 codes, so I don't want to post them all (lazy, ya >know) but if you post your codes I can identify them. > >If your engine is not the 2.5 or 2.7, the book doesn't have a listing. > >Mike The 90 Legend (at least my L coupe) has the LED in the same place, under the carpet in the passenger footwell. You don't need any jumpers. You do need something to decode what X number of flashes means. The 909 Legend uses the 2.7 liter 6.
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