Hid Lamp System Troubleshooting '99-04 Models - Acura 3.5 RL Manual

Lighting System
HID Lamp System Troubleshooting ('99 - 04 models)
CAUTION: Never turn on the combination light switch
before fitting the HID bulbs to their bulb sockets and
completing the reassembly of the headlight assembly.
1. Check the No. 45 (20 A) or No. 46 (20 A) fuse in the
under-hood fuse/relay box.
Are the fuses OK?
YES - Go to step 2.
NO - Replace the fuse(s), and recheck.
2. Substitute a known-good HID bulb and recheck.
Does the headlight low beam come on?
YES-Replace the HID bulb.
NO - Go to step 3.
3. Disconnect the 2P connector from the inverter unit.
4. Turn the combination light switch ON.
5. Measure voltage between the No. 2 terminal of the
inverter unit 2P connector and body ground.
INVERTER UNIT 2P CONNECTOR
Is there battery voltage?
YES - Go to step 6.
NO - Repair open in the wire between the under-
hood fuse/relay box and the inverter unit.
6. Turn the combination light switch OFF.
7. Check for continuity between the No. 1 terminal of
the inverter unit 2P connector and body ground.
INVERTER UNIT 2P CONNECTER
Is there continuity?
YES - Go to step 8.
NO - Repair open in the wire between the inverter
unit and body ground. If the wire is OK, check for
poor ground at G201 or G301.
8. Measure resistance between the No. 1 and B termi-
nal and the No. 2 and A terminal of the igniter unit.
Is there about 1-2
YES - Substitute a known-good inverter, and
recheck. If the symptom/indication goes away,
replace the original inverter unit.
NO - Replace the igniter unit.