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Keyboard Function Check No. 5

  1. Using Gauge System Tester (Rotunda 021-00055), connect one lead of tester to Blue/Red wire at trip computer connector.
  2. Slowly adjust resistance from 0-1000 ohms and back to 0 again. Check if METRIC, ETA, SET and RESET functions are working.
  3. If some or no functions are working, replace trip computer. If all functions are working, repair Blue/Red wire between trip computer and keyboard.
Fig 1: Identifying Electronic Keyboard Circuits (1 of 2)
G90H08306Courtesy of FORD MOTOR CO.
Fig 2: Identifying Electronic Keyboard Circuits (2 of 2)
G90H08306Courtesy of FORD MOTOR CO.
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