Warning Lamp Open (Active)

Test 1:

Tests 2 - 5:

Test 6 - 7:

SYMPTOM
WARNING LAMP OPEN (ACTIVE)

WHEN MONITORED:
With the ignition ON, the ACM needs to turn the lamp on because of detection of a malfunction, or during a lamp check.

SET CONDITION:
With the voltage on, the airbag warning lamp driver circuit is other than expected.

POSSIBLE CAUSES
- Fused ignition switch output circuit open
- Warning lamp bulb defective
- Warning lamp circuit board defective
- Warning lamp driver circuit shorted to ground
- ACM Defective, warning lamp driver open
- Warning lamp driver circuit open
- Warning lamp driver circuit shorted to voltage