Chrysler Neon 1995-1999 Repair Guide

Reading Codes

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See Figures 1, 2, 3, 4 and 5

On all 1995-97 vehicles, you can access the DTC's in two ways, listed as follows:



The preferred and most accurate way of reading a DTC is by using Chrysler's DRB® or equivalent scan tool. The scan tool supplies detailed diagnostic information which can be used for more accurate and specific diagnosis of the code.
 
The second way of reading DTC's is by observing the number of flashes displayed at the Malfunction Indicator Lamp (MIL). The MIL is shown on the instrument panel as the Check Engine lamp. This method should be used as a quick test only. You should always use a scan tool to get the most detailed information.
 

On 1998-99 vehicles, the only way to retrieve DTC's is by using a DRB® or equivalent scan tool.

Keep in mind that DTC's are the result of a system or circuit failure, but may not directly identify the failed component(s).

READING DTC'S USING A SCAN TOOL

  1. Connect Chrysler's Diagnostic Readout Box (DRB) or equivalent scan tool to the data link (diagnostic) connector. This connector is located at the lower edge of the instrument panel, near the steering column.
  2.  



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Fig. Fig. 1: The Data Link Connector (DLC) is located under the instrument panel to the left of the steering column

Always make sure to follow the manufacturer's instructions when using a scan tool.

  1. Turn the ignition switch ON , and access the Read Fault screen with the scan tool.
  2.  
  3. Record all of the DTC's and freeze frame information shown on the scan tool.
  4.  

READING CODES USING MIL (CHECK ENGINE) LAMP



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.  
  3. Count the number of times the MIL (check engine lamp) on the instrument panel flashes on and off.
  4.  

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.
 



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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



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Fig. Fig. 4: Diagnostic trouble code chart (1 of 2)-1998-99 engines



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Fig. Fig. 5: Diagnostic trouble code chart (2 of 2)-1998-99 engines

 
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