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Home >> Dodge and Ram >> 1993 >> Grand Caravan Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Connector Identification >> Test 18A - Diagnosing Estimated Time (ET) Function- Compass/Mini-Trip Module
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Test 18A - Diagnosing Estimated Time (ET) Function- Compass/Mini-Trip Module

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.
  1. Turn ignition switch to OFF position. Disconnect Blue body controller connector. Body controller is located under left side of instrument panel. Check connector, and clean or repair connector as necessary. Turn ignition switch to ON position.
  2. Using DRB-II in voltmeter mode, measure voltage of fused ignition feed circuit Blue body controller connector terminal No. 12 (Dark Blue/White wire). If voltage is more than 10 volts, replace body controller. If voltage is less than 10 volts, repair open Dark Blue/White wire.