PSG16 / P0116 FA
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Radiator fan runs continuously.
Extended glow duration.
Engine Coolant Temperature Malfunction.
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Radiator fan runs continuously.
Extended glow duration.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Engine running longer than 60 s. |
| The following diagnostic trouble codes may not be generated: |
Fault criteria:
| Coolant temperature has not exceeded 70°C 3 minutes after coolant temperature has exceeded 80°C for 5 seconds. |
Dependent:
System reaction to a fault:
| The control module uses 0°C as a substitute value. |
OK report:
| Input conditions fulfilled without a fault reported. |
Checking the wiring harness
| • | Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force. |
| • | 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:
Functions in the diagnostic tool related to the fault:
| Coolant Temperature Sensor |
| (See also description of readings/activations in diagnostic tool) |
