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SPECIFIC TEST SELECTION GMC Pickup C1500

Diagnosis - A/t: Diagnosis ~139 words

SPECIFIC TEST SELECTION

  1. On non-CRT equipped vehicles, scrolling to a lower specific test number is done by depressing the FAN DOWN button. Scrolling to a higher specific test number is done by depressing the FAN UP button. The system will automatically display the values for whatever specific test number is displayed.
  2. On CRT monitor equipped vehicles, scrolling to a lower specific test number is done by touching NO key on CRT monitor control panel. Scrolling to a higher specific test number is done by touching YES key. The system will automatically display the values for whatever specific test number is displayed.

Note. To cancel a system selection and repeat the system selection process, depress the OFF button on the ECCP for non-CRT equipped vehicles or touch LEVL key on CRT monitor panel for CRT equipped vehicles.