DTC P1686: Driver For Engine Compartment Purge Fan Low: Notes
Diagnostic information - DME (DFI) control unit
WARNING:
Exposed running fan blades!
Danger of limbs being severed!
Risk of serious injury due to ejected foreign bodies!
Danger of limbs being severed!
Risk of serious injury due to ejected foreign bodies!
- ALWAYS keep hair or clothing out of the rotating range of the fan.
- DO NOT reach into the rotating fan.
- DO NOT place tools or other items in the rotating range of the fan.
- Perform work on the fan only after disconnecting the plug connection to the spoiler module first.
INFORMATION
The run-on duration of the engine compartment purge fan AFTER ignition off depends on the engine compartment temperature.
- It is as follows for the following engine compartment temperatures:
- < 45 °C (113 °F) for approx. 50 seconds
- 45... 70 °C (113... 158 °F) for approx. 200 seconds
- > 70 °C (158 °F) for up to 20 minutes