FixVault

Test 9A - Mic Speedometer Faulty

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
  1. Turn ignition on. Using DRB-II, select engine controller and read engine controller faults. If a vehicle speed sensor problem is indicated, refer to appropriate article in the ENGINE PERFORMANCE Section.
  2. If a vehicle speed sensor problem is not indicated, use DRB-II to select body controller. Using DRB-II, read engine controller status. If DRB-II displays ACTIVE ON THE BUS, replace body controller module. Perform VERIFICATION PROCEDURE VER-1. If DRB-II does not display ACTIVE ON THE BUS, refer to VEHICLE COMMUNICATIONS TESTS  .