AMP1 / B1000 32
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Amplifier not functioning.
Control Module. Internal Fault
Fault symptom
Amplifier not functioning.
On-board diagnosis
Enable criteria:
| Starter motor cranking or engine running. |
Fault criteria:
| Internal control module fault |
System reaction to a fault:
| Amplifier not functioning. |
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
Change the control module.
See "Procedure for control module replacement"
