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Test 47A - Right Headlamp Out

CAUTION: Always turn ignition off prior to disconnecting or connecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS - 3.0L article in ENGINE PERFORMANCE. Perform TEST VER-1 after each repair.
  1. Turn headlamps on. Start engine. Turn high beams on. If both low beam headlamps are out with no HEADLAMP OUT message, go to TEST 59A . If both headlamps function, go to TEST 50A . If both headlamps do not function, go to next step.
  2. If right headlamp functions, go to TEST 47B . If right headlamp does not function, remove and inspect fuse No. 18. See Figure. If fuse is okay, go to step 5). If fuse is open, go to next step.
  3. Turn ignition off. Disconnect lamp outage module connector, located behind glove box and in front of A/C blower resistor. Check, clean and repair connections as needed. Using scan tool in ohmmeter mode, check resistance of lamp outage module 14-pin connector terminal No. 5 (Violet/Pink wire). If resistance is less than 5 ohms, repair Violet/Pink wire between lamp outage module connector and fuse No. 18 for short to ground. Replace fuse No. 18. If resistance is more than 5 ohms, go to next step.
  4. Disconnect right low beam headlamp connector. Check, clean and repair connections as needed. Check resistance of lamp outage module 14-pin connector terminal No. 6 (Violet/Red wire). If resistance is less than 5 ohms, repair Violet/Red wire between lamp outage module connector and right low beam headlamp connector. If resistance is more than 5 ohms, replace lamp outage module. Replace fuse No. 18.
  5. Disconnect right low beam headlamp connector. Check, clean and repair connections as needed. Using an external voltmeter, check voltage between right low beam headlamp connector terminal No. 1 (Black wire) and terminal No. 2 (Violet/Red wire). If voltage is more than 10 volts, replace right headlamp. If voltage is less than 10 volts, go to next step.
  6. Using scan tool in ohmmeter mode, check resistance of right low beam headlamp connector terminal No. 2 (Violet/Red wire). If voltage is more than 10 volts, repair open Black wire between right low beam headlamp connector and chassis ground. If voltage is less than 10 volts, go to next step.
  7. Gain access to lamp outage module. Using scan tool in voltmeter mode, backprobe lamp outage module 14-pin connector terminal No. 6 (Violet/Red wire). If voltage is more than 10 volts, repair open Violet/Red wire between lamp outage module connector and right low beam headlamp connector. If voltage is less than 10 volts, go to next step.
  8. Reinstall right headlamp. With lamp outage module connector connected, connect jumper wire between lamp outage module 14-pin connector terminal No. 5 (Violet/Pink wire) and terminal No. 6 (Violet/Red wire). If right headlamp illuminates, replace lamp outage module. If right headlamp does not illuminate, go to next step.
  9. Check voltage on fuse block terminal No. 18 (Violet/White wire). If voltage is more than 10 volts, repair open Violet/Pink wire between fuse block terminal No. 18 and lamp outage module connector. If voltage is less than 10 volts, repair open Violet/White wire between fuse block terminal No. 18 and low beam headlamp relay terminal No. 16.
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