ACM / B0065 04
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Airbag warning lamp is lit
Driver Belt Tensioner. Open Circuit
Fault symptom
Airbag warning lamp is lit
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| • | Resistance measured by the control module is higher than 4.8 Ohm for 1 s. |
| • | Voltage below 2V and resistance exceeds 6 Ohm for 1 s. |
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
IMPORTANT
| • | Read "Before starting fault diagnosis" under Fault diagnosis, general before beginning fault diagnosis. |
Diagnostic help
Diagnosis regards:
