8. Check Headlamp Input Signal Circuit
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
- Stop engine.
- Disconnect headlamp battery saver control unit harness connector.
- Disconnect BCM harness connector.
- Disconnect combination meter harness connector.
- Check harness continuity between the following;
headlamp battery saver control unit terminals 2, 8 and combination meter terminal 32,
BCM terminal 5 and combination meter terminal 32.
Refer to Wiring Diagram.
- Continuity should exist.
- Also check harness for short to ground and short to power.
OK or NG
OK: GO TO 10.
NG: GO TO 9.