Instrument Panel Method for Retrieving Diagnostic Trouble Codes

IMPORTANT: Care should be used during diagnostic procedures to avoid damaging the terminals of connectors, sensors, and actuators. Probes should not be poked into or around the terminals or damage will result. Probes should only be touched against the terminals to make measurements.

Diagnosis of the electronic control system should be performed according to the following procedure:

1. Make sure all engine mechanical and other systems not related to the electronic control system are operating properly.

2. 
   RG29319-UN-23FEB17

   Diagnostic Gauge

   A - Diagnostic Gauge

   Read and record diagnostic trouble codes (DTCs) displayed on the diagnostic gauge (A). To access trouble codes on diagnostic gauge (A), see Section 15 of this manual.

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3. Go to the LISTING OF DIAGNOSTIC TROUBLE CODES (DTCs) later in this section, to interpret the DTCs present.

4. Contact your nearest engine distributor or servicing dealer with a list of DTC codes that are displayed so necessary repairs can be made.