CU GSM / B2470 04
Read the instructions below then
start the fault diagnostic procedure.
Symptom: No coverage
Cellular Phone Antenna, Open Circuit
Fault symptom
No coverage
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 9 - 16 V. |
| No starter motor cranking. |
Fault criteria:
| Aerial circuit resistance is more than 30.3 kohm. |
OK report:
| Aerial circuit resistance is between 6.3 and 24.3 kohm. |
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:
