SCM / P0483 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Radiator fan malfunction.
Fan Speed Request, Invalid Signal
Fault symptom
Radiator fan malfunction.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| General conditions for this DTC |
| Radiator fan malfunction. |
Fault criteria:
| Signal from ECM to SCM does not correspond with the bus signal. |
Checking the wiring harness
Jiggle the wiring harness at several points to detect intermittent breaks or short circuits. Check also the connector for oxidation or loose pins.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| ??AJ Fan Speed Input Signal |
| (See also description of readings/activations in diagnostic tool) |
