check engine light on?

Discussion in 'Gen I' started by dansauto, Jun 7, 2007.

  1. dansauto

    dansauto Viper Owner

    Posts:
    939
    Joined:
    Nov 30, 2001
    Location:
    gillett, pa, usa
    OBD 1 codes

    ON-BOARD DIAGNOSTICS

    1. Cycle the ignition key ON-OFF-ON-OFF-ON within 5 seconds. To cycle the ignition key ON means to turn it only as far as it takes to get the radio to come on. It does not mean to turn the engine on.

    2. Count the number of times the "check engine" lamp on the instrument panel flashes on and off. The number of flashes represents the code. There is a slight pause between the flashes representing the first and second digits of the code. Longer pauses separate individual codes. For example, flash-flash-flash [pause] flash-flash represents the code 32.

    A code of "55" represents end of error codes. If this is all you get then no error codes are stored in the computer. This is the normal condition for a neon.
    CODE Description of Trouble Code
    11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking
    12 Direct battery input to PCM was disconnected within the last 50 key-on cycles
    13 No change in MAP from start to run
    14 MAP sensor voltage too low
    15 No vehicle speed sensor signal
    17 Closed loop temp not reached or engine cold too long
    21 02s sensor problem (oxygen sensor), upstream or down stream
    22 Engine coolant temp sensor out of range
    23 Intake air temp sensor out of range
    24 Throttle Position sensor out of range
    25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found
    27 Injector control circuit
    31 Evap purge flow monitor failure or evap solenoid circuit
    32 EGR system failure
    33 A/C clutch relay circuit
    34 Speed control Solenoid circuits
    35 Rad Fan control relay circuit
    37 Torque converter clutch solenoid CKT or park/neutral switch failure
    41 Generator field not switching properly
    42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles
    43 Multiple/ single cylinder misfire
    44 Battery temp sensor volts out of range
    46 Charging system voltage too low
    51 Fuel system lean
    52 Fuel system rich
    53 Internal control failure
    54 No Cam signal at PCM
    55 End of error messages (If you get this only, no errors were found)
    62 PCM failure SRI mile not stored
    63 PCM Failure EEPROM write denied
    64 Catalytic Converter Efficiency Failure
    65 Power steering switch failure
     

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