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Test 9A - Electro/Mechanical Instrument Cluster Diagnostics

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION. For wiring diagrams, see WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section. Perform TEST VER - 1A after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
NOTE: Electro/Mechanical Instrument Cluster (MIC) is an electronic cluster receiving information from CCD link and displaying information in analog gauges. These test procedures cover both base and premium MIC.
  1. Using DRB-II, read instrument cluster I.D. status. If DRB-II displays EIC/US, go to next step. If DRB-II does not display EIC/US, identify instrument cluster problem and perform test as specified. See INSTRUMENT CLUSTER PROBLEM DIRECTORY  table.
    INSTRUMENT CLUSTER PROBLEM DIRECTORY

    Problem Perform TEST
    Defective Gauges 10A 
    Defective Odometer 11A 
    Defective Warning Lights 12A 
    Improper Cluster Illumination 8A 
  2. Turn ignition switch to OFF position. Disconnect MIC connector. Check connector, and clean or repair connector as necessary. Turn ignition switch to ON position. Connect a jumper wire between MIC connector terminal No. 3 (Orange/Dark Blue wire) and ground.
  3. Using DRB-II, read cluster ID switch status. If DRB-II does not display EIC/US, replace MIC. If DRB-II displays EIC/US, gain access to body controller. Body controller is located under left side of instrument panel.
  4. Connect a jumper wire between Natural body controller connector terminal No. 5 (Orange/Dark Blue wire) and ground. If DRB-II does not display EIC/US, repair open Orange/Dark Blue or Light Blue wire. If DRB-II displays EIC/US, replace body controller.
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