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ELKSLAYER

94-98 12 Valve engines codes

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Well, looky at what I found!!

Stored diagnostic codes can be displayed by turning the "ignition" key ON-OFF-ON-OFF-ON Within three seconds. The fault codes will flash on the "CHECK ENGINE" light located at about the 8:00 position on the tachometer face. This procedure works for the 94-96 12 Valve engines. The 97-98 12 valve and the ISB all require the DRB diagnostic tool to obtain trouble codes.

As an example, a 23 code would be indicated by FLASH, FLASH, PAUSE, FLASH, FLASH, FLASH. Multiple codes may be displayed, and the sequence always ends with 55. Green codes will light the CHECK ENGINE lamp when the engine is running.

CODE MEANS

11 No crank signal detected during cranking

12 Battery was disconnected within the last 50 key-on cycles (Resets after 50)

15 No vehicle speed/distance signal while driving

23 Intake manifold air temp sensor voltage too high or too low

24 Throttle position sensor voltage too high or too low (automatic only)

33 An open or shorted condition detected in the AC clutch relay circuit

34 Open or short in the Speed control solenoid circuits or

Speed control switch voltage too high or too low

37 Open or short in the Torque converter clutch solenoid CKT circuit or

Voltage high or low at transmission Temperature sensor

41 An open or shorted condition detected in the alternator field control circuit

42 An open or shorted condition detected in the Auto Shutdown Relay circuit

44 An open or shorted condition detected in the engine coolant temp sensor circuit or

A problem exists in the PCM battery temperature / voltage circuit

45 An open or shorted condition detected in the overdrive solenoid circuit

46 Battery charging system voltage too high

47 Battery charging system voltage too low

53 Internal PCM circuitry or communication failure

55 End of sequence. Last code sent to indicate the end of the codes.

62 SPI miles not being updated as vehicle travels

63 Unsuccessful attempt to write to EEPROM by the PCM

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