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Test 86A - Indicator Light Circuit

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
  1. If Vehicle Theft Alarm (VTA) indicator light is not always on, go tostep 3). If VTA indicator light is always on, turn ignition on and off. Disconnect VTA module. See Figure . If VTA indicator light is off, replace VTA module. Perform VERIFICATION PROCEDURE VER-1.
  2. If indicator light is still on, disconnect VTA indicator light 5-pin connector. Check connector condition, and clean or repair connector as necessary. Perform VERIFICATION PROCEDURE VER-1. If connector is okay, repair short to ground in Black/Orange wire. Perform VERIFICATION PROCEDURE VER-1.
  3. Turn ignition on, then off. Disconnect VTA module connector. Connect jumper wire between terminal No. 15 (Black/Orange wire) of VTA module connector and ground. If VTA indicator light comes on, replace VTA module. Perform VERIFICATION PROCEDURE VER-1.
  4. If VTA indicator light does not come on, remove and inspect VTA bulb and socket. If bulb and socket condition is not okay, repair as necessary. Perform VERIFICATION PROCEDURE VER-1.
  5. If light and socket condition is okay, put DRB-II in voltmeter mode. Check voltage of Red wire of VTA indicator light connector. If voltage is more than 10 volts, repair open Black/Orange wire between VTA module and VTA indicator light. Perform VERIFICATION PROCEDURE VER-1. If voltage is less than 10 volts, repair open Red wire between VTA module and VTA indicator light. Perform VERIFICATION PROCEDURE VER-1.