Warning Lamp Circuit Open (Active)

Test 1 - 2:

Test 3:

SYMPTOM
WARNING LAMP CIRCUIT OPEN (ACTIVE)

TEST NOTE
This symptom is diagnosed using the test WARNING LAMP CIRCUIT OPEN (ACTIVE).

WHEN MONITORED
With the ignition ON, the ACM sends a message to the cluster to turn the lamp ON because of a detection of a malfunction, or during a lamp check.

SET CONDITION
With voltage and current ON, the airbag warning lamp circuit (internal to the cluster), is other than expected.

POSSIBLE CAUSES
- Warning lamp circuit shows open/short
- Circuit board warning lamp circuit defective
- Warning lamp bulb defective.