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Pinpoint Test G: Blank Screen Tests

G1: BLANK SCREEN TEST 1 

  1. Refer to the electrical circuit diagrams and test the touch screen display power and ground circuits for open circuit, high resistance

    2. Are the power and ground circuits within specification? 

    YES:  GO to G2  .

    NO:  Repair the power and/or ground circuit

G2: BLANK SCREEN TEST 2 

  1. Set the ignition switch to 'off'
  2. Set the ignition switch to 'on'

    3. Has the touch screen display operation been restored? 

    YES:  Tests inconclusive. Repeat the tests from the beginning. GO to Pinpoint Test B .

    NO:  Install a new touch screen display

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