ACM / B0044 04

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp is lit.

B0044 04

Fault symptom

Airbag warning lamp is lit.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

•	When output resistance exceeds 4.8 Ohm

•	When control module's input is below 2 V and resistance exceeds 6 ohm

System reaction to a fault:

Airbag warning lamp is lit

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:

IMPORTANT

•	Read "Before starting fault diagnosis" under Fault diagnosis, general before beginning fault diagnosis.

Functions in the diagnostic tool related to the fault:

See Reading:

Driver Front Airbag Loop 2 Resistance