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Engine Data Display Procedure

  1. Enter diagnostics and with code ".7.0" displayed, press "Reset" button on Fuel Data panel. Code ".9.0" should appear. If code ".9.0" does not appear, refer to switch test code ".7.9".
    NOTE: To advance to code ".9.0" on vehicles without cruise control, momentarily jumper Yellow wire (Pin C, Circuit No. 904) and Lt. Blue/Black wire (Pin D, Circuit No. 903) in 6-wire cruise control instrument panel switch connector. Connector is located on left side of steering column under instrument panel.
  2. Engine data display shows values of 13 parameters monitored by ECM. Parameter numbers .0.1-.1.3 will be displayed for 1 second on ECC panel, followed by a numerical value. The parameter value will be displayed for 9 seconds. Each parameter and value will be repeated until manually advanced to next parameter.
  3. To advance display, depress "Instant/Average" button on Fuel Data panel. To return to previously displayed parameter, depress "Reset" button. After last parameter is displayed, code ".9.5" should appear. Engine data display may be cleared at anytime, by pressing "Off" and "High" buttons on ECC panel simultaneously. Code ".7.0" should appear.
  4. Engine data display information can be used to compare information of engine to that of properly functioning engine for diagnosis of malfunctions. Parameters read and values displayed are as follows:
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