Question about 1994 Mazda MX-5

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Airbags lite flashs

Sometimes it flashes once then two 2 times maybe a 12
later it will flash 5/2 times perhaps 52

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12 FAULT LOCATION Supply voltage
Check Supply voltage, Fuses, Wiring, Srs control module, Safing sensor

52 FAULT LOCATION Back-up power supply
Check Wiring short circuit, Safing sensor, Srs control module

Posted on Aug 20, 2008

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1987 reliant le 2.5 my trouble codes are , 1.3, 2.6, 5.2, 5.5 what does this mean?

Code 13 (1 flash,pause,3 flashes) is "MAP Sensor Signal Not Changing". This could be something as simple as broken vacuum line from the intake to the MAP, the factory line used in the Reliants is usually hard plastic, with rubber hose joining it to the Intake & MAP. It gets very brittle with age and tends to fall apart or break from engine movement/vibration/hot-cold cycles/etc. It may also be a poor electrical connection at the MAP Sensor, or even a MAP failure.

Code 26 (2 flashes,pause,6 flashes) is Injector Current Peak Not Reached or Injector Short or Injector Open. This is most likely related to Code 13 that I mentioned above, as well as Code 52 which I'll detail next. The fuel injection system relies on input from the MAP, IAT, Engine Temperature Sending Unit, etc to control the injector

Code 52 (5 flashes,pause,2 flashes) is Engine Running Rich. Definitely related to Code 26, which is most likely related to Code 13. One part can cause a whole chain of issues in the injection system.

Code 55 (5 flashes,pause,5 flashes) means "End of Codes". No more codes have been found.

As for the other things you mentioned; overheating, the overflow jug being filled to the top, and consuming oil. I think you have some more serious problems going on there. It may have blown a head gasket when it overheated. Which could cause Compression to push past the fire ring, into a water jacket, forcing coolant out of the radiator into the overflow jug. There's 3 obvious signs for a blown head gasket, though sometimes you only get one, sometimes you get two signs, sometimes you get all three. 1 I just mentioned, 2 is consuming coolant (the engine will draw coolant into the combustion chamber and partially burn it and expel the remains out the exhaust), 3 is the mixing of coolant and oil, where coolant passes between the water jackets and oil ports, mixing. The usual sign for that one is a peanut butter colored goo on your dipstick or oil cap.

If it overheated to the point where the engine shut down (like you said), it may have damaged the piston rings, which would result in excessive blow by and oil consumption. I've seen this happen quite a few times on various engines

I would recommend performing a Leak Down Test and a Compression Test so you can determine what you're dealing with.

Oct 19, 2014 | 1987 Plymouth Reliant



on gm vehicles that are 1993 and older with an ecm,it is possible to diagnose check engine light using a paper clip.just below driver is a black box that has either 6 or 12 slots.put paper cilp one end in slots a and 1in slot b then watch check engine light.count flashes ,should flash once then pause then it will flash 2 times indicating a code 12 it will flash thic code thee times indicating computer is working after the code 12 it will flash the trouble codes.

on Aug 30, 2010 | GMC Blazer Cars & Trucks

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What is service engine light code 12 mean


Be advised that the MIL or CHECK ENGINE light can only perform a limited number of functions and it is a good idea to have the system checked with a scan tool to double check the circuit function.

  1. Within a period of 5 seconds, cycle the ignition key ON - OFF - ON - OFF - ON .
  2. Count the number of times 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 separate individual 2-digit trouble codes.
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.

0900c1528007935b.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Diagnostic trouble code chart (1 of 2)-1995-97 engines

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Fig. Fig. 3: Diagnostic trouble code chart (2 of 2)-1995-97 2.0L engines

Jul 26, 2012 | 1995 Dodge Neon

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I just bought a 2003 Ford F150, and a warning chime goes off right after starting. Chimes 5 times, pause, and repeat 4 more times. There are no lights or codes displayed on the dash. It drives fine, but...

The warning chime of 5x5 is a sign that the SRS ( airbag ) light is burnt out, and there is an error with the SRS system.

Verify SRS ( airbag ) lamp operation, turn the key from off to run ( do not start ) the airbag lamp should illuminate. If not, it is burnt out. Need to pull the cluster and replace.
( thread at on cluster removal in the how to forum - titled about changing cluster illumination color or installing a cluster overlay ).

Once you replace the SRS bulb, you will get a LFC ( light Flash Code ) of a 2 digit number.
Example :
flash flash flash flash { short pause } flash flash { longer pause } flash repeats the same for 5 times, the solid on.
This is an example of a LFC 4-2. Once you have the LFC start a new problem with the LFC and we can get that fixed after you get the bulb replaced.

Aug 23, 2011 | 2003 Ford F150 Regular Cab

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Trouble codes: 1,2,4

dodge codes of this era were 2 number codes not single number codes.recheck your codes flashing on the dash,or with what ever tool your using.there should be a flash close together then a short break then more flashes close together then a longer pause before the next code flashes.cont the flashes that are close together that is one number of the code then after the short pause count the next number of flashes this is the second half of the code.then a new code flashes after the long if the first code flashes once then after short pause it flashes twice this is a code 12.then a new code flashes after the longer flash,but always a 2 number code.also be aware that dodge uses a code 12 to indicate the start of the code sequence and a code 55 indicates the end of the code sequence.thats why its better to use a scan tool to see what codes are in the computer as sometimes a flash is missed or not counted.

Aug 12, 2011 | 1990 Dodge Ram

1 Answer

Diagnostic codes for 1994 Chrysler Concorde

What you are reading is a 1-2 (12) and a 5-5 (55). The 5-5 is always at the end of the code string. The 1-2 (12) indicates that the battery was disconnected and the ECU (computer) has been reset.

Apr 08, 2009 | 1994 Chrysler Concorde

1 Answer

How do i get the trouble codes off a 1989 mazda mpv?

The above link is to a diagram of your ALDL connector, all you need is a paper clip, straighten out the paper clip and insert one end into the diagnostic test pin and one in the system ground pin (terminals A & B).

Then put the key in the ignition and turn it to the on position but DO NOT start the engine. You will then see the check engine light flash. It will initially start by flashing once, then a pause and then flash twice and it will repeat this three times. That flash sequence indicates 12, which just means the system is operating. Its the flash sequences after that that will give you the code if any are stored.

For instance if it flashes twice, then pauses, then flashes four times, thats code 24. So any flash sequence you get after the initial 12 (flash once, pause, flash twice) you need write those down. Below is a list of diagnostic codes to tell you what the codes mean.

Code 12
1 flash, pause, 2 flashes
Diagnostic: This Code will flash whenever the diagnostic terminal is grounded with the ignition switch turned on and the engine is not running.

Code 13
1 flash, pause 3 flashes
Oxygen sensor voltage stays between 0.35 and 0.55 volts for 30 seconds when the TPS signal was above 0.55 volts. The engine had been running for at least 40 seconds with an engine temperature above 110° F.

Code 14
1 flash, pause, 4 flashes
Coolant temperature sensor signal indicates a temperature of over 284° F for 4 seconds after the engine had been running for at least 10 secondsCoolant Sensor Circuit (high temperature) If the engine is experiencing overheating problems, have those fixed before continuing. Check all wiring and connectors associated with the coolant temperature sensor. Replace the Coolant temperature sensor.

Code 15
1 flash, pause, 5 flashes
Coolant Sensor Circuit (low temperature) Coolant temperature sensor signal indicates a temperature colder than -36° F for at least 4 seconds after the engine had been running for 2 seconds. See above, then check wiring connections at the ECM

Code 16
1 flash, pause, 6 flashes
Charging system voltage was either below 9 volts or above 17 volts for 10 seconds. System High Voltage If the voltage is above 17.1 volts for more than 2 seconds, the Service Engine Soon light will illuminate. Have the charging system checked.

Code 17
1 flash, pause, 7 flashes
PCM did not detect any spark reference pulses within 240 fuel control reference pulses (80 crank revolutions) while engine was running below 1200 RPM. Spark Reference Circuit.

Code 21
2 flashes, pause, 1 flash
Throttle Position Sensor, TPS voltage was above 0.8 volts for 5 seconds when engine was running and air flow was less than 15 gm/sec, or the TPS voltage was over 4.8 volts at any time.

Code 22
2 flashes, pause, 2 flashes
Throttle Position Sensor check TPS adjustment. Replace the TPS sensor. TPS voltage was under 0.2 volts for 4 seconds when the ignition was on. Check for a sticking, or mis-adjusted throttle position sensor.

Code 23
2 flashes, pause, 3 flashes
Inlet air temperature sensor signal showed an air temperature of -29° F for 4 seconds. Manifold Air Temperature. Check the MAT sensor, wiring, and connectors for a possible open circuit. replace the MAT sensor.

Code 24
2 flashes, pause, 4 flashes
Vehicle speed sensor signal showed less than 3 MPH for 2 seconds when engine speed was greater than 3000 RPM and transmission has not been in park or neutral for more than 4 seconds. Or vehicle speed goes from above 18 MPH to 0 in less than 2 seconds without applying brake. This code can only appear when the vehicle is in motion, if it appears when the car is not in motion, ignore it. Check ECM connections, any other problems should be diagnosed by a qualified mechanic.

Code 25
2 flashes, pause, 5 flashes
Inlet air temperature sensor signal showed an air temperature of over 218° F for 5 seconds when vehicle speed was greater than 35 MPH. Check the voltage between the MAT sensor and the ECM. voltage should be above 4 volts.

Code 26
2 flashes, pause, 6 flashes
Quad-Driver sense voltage shows a low voltage when battery voltage should be present, or if the sense voltage shows battery voltage when a low voltage should be present for at least 5 seconds when the engine was running. Have the car checked by a dealer.

Code 27
2 flashes, pause, 7 flashes
2nd gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 2nd or 4th gear switch was open when engine was first started. Gear switch Diagnosis Have the car checked by a dealer.

Code 28
2 flashes, pause, 8 flashes
3rd gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 3rd or 4th gear switch was open when engine was first started.

Code 29
2 flashes, pause, 9 flashes
4th gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 4th gear switch was open when engine was first started.

Code 31
3 flashes, pause, 1 flash
PRNDL indicates a gear other than park or neutral for 13 seconds for 3 consecutive startups when ignition was on, engine was off and vehicle speed was 0. Or the PRNDL status indicators (A, B, C, P) showed an incorrect combination of Lo and Hi for more than 10 seconds.
Check all connectors, and for a faulty switch.

Code 32
3 flashes, pause 2 flashes
EGR System Check vacuum hoses and connections for leaks and restrictions. Replace the EGR solenoid or valve.

Code 33
3 flashes, pause, 3 flashes
MAF Sensor Have the mass air flow sensor replaced.

Code 34
3 flashes, pause, 4 flashes
There was no MAF signal for over 4 seconds while engine was running. Check for loose or damaged air duct, misadjusted minimum idle speed and cacuum leaks. Inspect the MAF sensor and the electrical connections.

Code 38
3 flashes, pause, 8 flashes
The Torque Converter Clutch portion of the brake switch was open and caused the TCC to be inoperative, adjust OR replace switch.

Code 39
3 flashes, pause, 9 flashes
Torque Converter Clutch Check ECM connections, check for faulty Torque Conver Clutch solenoid.

Code 41
3 flashes, pause, 1 flash
Cam sensor signal was not received by PCM for the last 5 seconds while engine was running. Check for faulty connections, or a faulty cam sensor. Maybe also indicate a problem with the vehicle's timing chain.

Code 42
4 flashes, pause, 2 flashes
The Electronic Spark Timing (EST) signal did not change when the ECM applied bypass voltage to the ignition module. Check for faulty connections, or a faulty ignition module.

Code 43
4 flashes, pause, 3 flashes
Knock sensor signal was either above 3.5 volts or below 1.5 volts for at least 20 seconds. Check for a faulty knock sensor, or Mem-Cal.

Code 44
4 flashes, pause, 4 flashes
Oxygen sensor voltage was under 0.25 volts for up to 4 1/2 minutes of closed loop operation, lean exhaust. Check the ECM wiring connections. Check for vacuum leaks at the hoses and intake manifold gasket.

Code 45
4 flashes, pause, 5 flashes
Oxygen sensor voltage was over 0.75 volts for 2 minutes in closed loop operation with a throttle angle between 0.6 and 1.9 volts. Rich exhaust. Check the evaporative charcoal canister and its components for the presence of fuel.

Code 46
4 flashes, pause, 6 flashes
Power Steering pressure switch Check for faulty connections, or a faulty switch.

Code 48
4 flashes, pause 8 flashes
Misfire Diagnosis. Check the ignition and fuel systems.

Code 51
5 flashes, pause, 1 flash
Prom or Mem-Cal Make sure the MEM-Cal or prom is properly installed in the ECM. Replace Mem-Cal or prom.

Code 52
5 flashes, pause, 2 flashes
Cal-Pak Check the Cal-Pak to insure properation. replace the Cal-Pak.

Code 54
5 flashes, pause, 4 flashes
EGR #2 solenoid was out of range for 6 of 8 tests. 55 EGR #3 solenoid was out of range for 3 of 5 tests.

Code 55
5 flashes, pause, 5 flashes
ECM Check for faulty connections. Replace the ECM.

Code 56
5 flashes, pause, 6 flashes
Quad-driver voltage was incorrect for 5 seconds on the circuit connected to QDM "B".

Code 57
5 flashes, pause, 7 flashes
Boost control solenoid did not open bypass valve causing engine torque to be too high.

Code 63
6 flashes, pause, 3 flashes
EGR flow was incorrect. EGR solenoid did not work properly. Have vehicle serviced by a dealer.

Code 64
6 flashes, pause, 4 flashes
Same as Code 63 EGR flow was incorrect. EGR solenoid did not work properly.

Code 65
6 flashes, pause, 5 flashes
Same as Code 63.

Dec 31, 2008 | 1989 Mazda MPV

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