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Diagnostic Trouble Codes - 1994
Chrysler

 11  IGN reference signal.
 12  Battery input to PCM disconnected during last 50 key starts.
 13  MAP sensor pneumatic circuit.
 14  MAP sensor electrical circuit.
 15  Vehicle speed/distance sensor.
 16  Open or shorted condition detected in knock sensor circuit.
 17  Engine running too cool.
 21  Oxygen sensor circuit.
 22  Coolant temperature sensor circuit.
 23  Intake air temp. sensor voltage high.
 24  Throttle position sensor.
 25  IAC motor driven circuit.
 27  Fault in injector driver interface circuit.
 31  Purge solenoid circuit.
 32  Fault in EGR diagnostics.
 34  Speed control solenoid circuits.
 33  A/C cutout relay circuit.
 35  Fan control relay circuit.
 41  Charging system excess or no field current.
 42  ASD relay circuit.
 43  Fault in ignition coil control circuit.
 44  Battery Temp Voltage.
 45  Overdrive Solenoid open or shorted
 46  Battery voltage too high.
 47  Battery voltage too low.
 51  Oxygen feedback system stuck at lean position.
 52  Oxygen feedback system stuck at rich position.
 53  Internal logic module problems.
 54  No cam position signal.
 55  Completion of fault code display.
 62  Indicates unsuccessful attempt to update EMR mileage.
 63  Unsuccessful attempt to write to an EEPROM location by the controller.
 64  Methanol sensor voltage too low.

To call up codes, cycle ignition switch on, off, on, off and on within 5 seconds. Stored codes will be indicated by flashes of the power loss/check engine lamp. The codes will be indicated as two digit numbers, with a four second pause between codes. An example of a code is as follows:

  • Power Loss/Check Engine Lamp illuminated for approximately 2 to 3 seconds as a bulb check, then turns off.
  • Lamp flashes 2 times, pauses, then flashes 6 times.
  • Lamp pauses for approximately 4 seconds.
  • Lamp flashes 3 times, pauses, then flashes 1 time.

This would indicate that code 26 and 31 are stored. The lamp will continue to flash until all stored codes have been displayed.

Once the lamp starts flashing the stored fault codes, it cannot be stopped. If a code is missed, the entire procedure must be repeated. The lamp will not indicate if oxygen feedback system is switching lean-rich or if idle motor system is operational. The lamp also cannot be used to perform actuation test mode, sensor test mode or engine running test mode.

After all fault codes have been displayed, then power loss/check engine lamp can be used to verify switch function. The lamp will turn on and off as the switch is turned on and off.

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