1994 Chrysler Error Codes
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Reviews Company/Plants Troubleshooting Fault Codes (Chrysler Two-Digit Computer Codes, 1980s-1990s) Newer fault codes (1990s-onwards) by Bob O’Neill and Bob Lincoln These pages helps to describe the fault codes for the Chrysler electronic fuel injection engine control units (ECU) for 2.2L and 2.5L engines (and, in many cases, V6 engines) from 1984 through 1994. You don’t need any special computer scanners to read these codes; all you need is your toyota error codes ignition key. Before we begin the process of learning what if any codes have been set in the computer, it is a good idea to understand the components involved. The primary brain of the system is the Engine Control Unit or ECU, sometimes called the logic module. The ECU is a computer with a processor, memory, and some read-only memory which holds fuel tables and other values used to make decisions about drivability and performance. It also contains the voltage regulator circuit after 1985; power circuits for ignition, fuel injection, and relay drivers. More information about the ECU to be added. In later years, a Power Control Module is also used (it’s next to the battery), and a logic module can be found behind the passenger kickpad. It receives the engine sensor information, decides how to react, and passes signals to the PCM to adjust engine operation. In later years (1990s and up), the Power Control Module and logic module were combined into one computer, called either a SMEC or SBEC, and stored in the engine bay, usually near the battery; a Body Control Module inside the car, behind the kickpad, controls functions such as lights, power locks, and timers. It is important to understand the different
on, off, on. (On is *not* start!) The "check engine" light will flash. Count the flashes Each code is a two digit code, so a (for example) 23 would be FLASH FLASH (pause) FLASH FLASH FLASH (loong pause) It will never flash more
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than 9 times, watch for pauses! 55 is end of codes, 33 is normal if you
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don't have air conditioning. When the computer indicates major failure, it will activate Limp In mode, which guesses about data to compensate for chevy error codes sensor failure. Please note that some codes are NOT included below, this is not a complete listing, but it IS very close to complete. 11 No ignition reference signal detected during cranking (bad Hall effect) OR timing belt skipped http://www.allpar.com/fix/codes/ one or more teeth; OR loss of either camshaft or crankshaft position sensor 12 Battery or computer recently disconnected 13* MAP sensor or vacuum line may not be working 14* MAP sensor voltage below .16V or over 4.96V 15 No speed/distance sensor signal 16* Loss of battery voltage detected with engine running 17 (1985 turbo only): knock sensor circuit 17 Engine stays cool too long (bad thermostat or coolant sensor?) 21 Oxygen sensor signal doesn't change (stays at http://www.misterfixit.com/moparcod.htm 4.3-4.5V) Probably bad oxygen sensor 22* Coolant sensor signal out of range - May have been disconnected to set timing 23* Incoming air temperature sensor may be bad 24* Throttle position sensor over 4.96V (SEE NOTE #3) 25 Automatic Idle Speed (AIS) motor driver circuit shorted or target idle not reached, vacuum leak found 26 Peak injector circuit voltage has not been reached (need to check computer signals, voltage reg, injectors) (SEE NOTE #4 BELOW) 27 Injector circuit isn't switching when it's told to (TBI) OR (MPI) injector circuit #1 not switching right OR (turbo) injector circuit #2 not switching right OR (all 1990-) injector output driver not responding - check computer, connections 31 Bad evaporator purge solenoid circuit or driver 32 (1984 only) power loss/limited lamp or circuit 32 EGR gases not working (1988) - check vacuum, valve 32 (1990-92, all but Turbo) computer didn't see change in air/'fuel ratio when EGR activated - check valve, vacuum lines, and EGR electrical 33 Air conditioning clutch relay circuit open or shorted (may be in the wide-open-throttle cutoff circuit) 34 (1984-86) EGR solenoid circuit shorted or open 34 (1987-1991) speed control shorted or open 35 Cooling fan relay circuit open or shorted 35 (trucks) idle switch motor fault - check connections 36 (turbo) Wastegate control circuit open or shorted 36 (3.9/5.2 RWD) solenoid coil circuit (air switching) 36 (Turbo IV) #3 Vent Solenoid open/
From A Chrysler OBD1 Without A Reader Junk Garage SubscribeSubscribedUnsubscribe9797 Loading... Loading... Working... Add to Want to watch this again later? Sign in to add this video to a playlist. Sign in Share More Report Need to report the video? Sign in https://www.youtube.com/watch?v=gcq3xcRCCTI to report inappropriate content. Sign in Transcript Statistics 14,282 views 19 Like this video? http://mechanics.stackexchange.com/questions/1182/check-engine-light-on-94-jeep-grand-cherokee Sign in to make your opinion count. Sign in 20 3 Don't like this video? Sign in to make your opinion count. Sign in 4 Loading... Loading... Transcript The interactive transcript could not be loaded. Loading... Loading... Rating is available when the video has been rented. This feature is not available right now. Please try again later. error codes Uploaded on May 30, 2011please comment, rate, and subscribe if you liked this :)showing how to get codes with out a scanner on a chrysler OBD1 sytem Category Autos & Vehicles License Standard YouTube License Show more Show less Loading... Autoplay When autoplay is enabled, a suggested video will automatically play next. Up next how to check OBD codes on Pre-1996 Chryslers - Duration: 3:04. jdubsteachings 285 views 3:04 How to 1994 chrysler error read OBDI (before 1996) codes w/o a scan tool - Duration: 2:58. GrandPrixGuyKY 3,976 views 2:58 Dodge Read Check Engine Light Without a Code Reader - Duration: 2:09. TheTexasCoder 295,961 views 2:09 1984-1994 Ford Self Diagnostics Test - KOER ( Key On Engine Running ) - Duration: 10:39. Jennies Garage 158,456 views 10:39 COMO ESCANEAR UN CARRO CHRYSLER OBDI!! - Duration: 2:38. MrFenix119 4,230 views 2:38 Reading 1980-95 Ford OBD1 Trouble Codes - Duration: 9:16. Budget Boosting 57,907 views 9:16 Reading OBD-1 Codes on GM 1982-1995 - Duration: 5:28. Jon'z Vidz 108,255 views 5:28 Code retrieval for F-Series (1987-1997*) OBD-I - Duration: 7:40. Wesley Cole 71,693 views 7:40 Grand Am Rod knock and missfire - Duration: 2:38. Junk Garage 18,442 views 2:38 mx6 obd1 how to pull the codes - Duration: 3:12. goodsonjarrett 3,062 views 3:12 How to read a check engine light code on a Ford 1983-1995 EEC 4 system - Duration: 6:31. Oldsmob455 185,746 views 6:31 How to check obd1 codes 1989 dodge colt/mitsubishi mirage. - Duration: 2:35. fatrat440 5,104 views 2:35 Innova 3120 CanOBD2&1 Tool Kit - Duration: 4:40. EquusInnova 54,174 views 4:40 How to activate the Chrysler integrated diagnostics facility - Duration: 1:01. Andrew Kwiecinski 4,599 views 1:01 1989 Plymouth Reliant Check Engine Code - Duration: 1:3
Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Motor Vehicle Maintenance & Repair Questions Tags Users Badges Unanswered Ask Question _ Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Check Engine Light on '94 Jeep Grand Cherokee up vote 2 down vote favorite 1 How do I get Check Engine Light codes (OBD-I) from a '94 Jeep Grand Cherokee, and where can I look them up? jeep grand-cherokee obd-i cel share|improve this question edited Jun 23 at 15:02 asked Jun 17 '11 at 5:36 Iszi 1,20641930 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted This blog is a nice reference: http://check-engine-light-codes.blogspot.com/2006/04/chrysler-1985-95-obd1-code-self.html It explains how to check: Within a period of 5 seconds, cycle the ignition keyON-OFF-ON-OFF-ON. Count the number of time the MIL (check engine lamp)on the instrument panel flashes on and off. The number of flashes represents the trouble code. There is a short pause between the flashes representing the 1st and 2nd digits of the code. Longer pauses are used to separateindividual 2-digit trouble code. An example of a flashed DTC is as follows: -Lamp flashes 4 times, pauses, then flashes 6 more times. This denotes a DTC number 46. -Lamp flashes 5 times, pauses, then flashes 5 more times. This indicates a DTC number 55. DTC 55 will always be the last code to be displayed. And has a list