P0506

1E0002 - P0506

Information saved in
DME

Fault code
1E0002 - P0506

Fault text
Idle-speed control: speed too low

Fault description
The diagnostic function monitors the idle speed when the
engine is warmed to normal operating temperature.

Condition for fault identification
Test condition:
The fault is recognized when the actual rpm drops below the
specified rpm by more than 100 rpm.
Potential problem source(s):
- Collateral fault
Terminal condition: none
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
Engine temperature > 72 °C
Time condition:
- Depends on engine temperature during starting
Other conditions:
- Engine on

Condition for fault memory entry
The fault is logged in the fault memory if it remains
continuously present for longer than 5 sec.

Action in service
- If other faults are present repair these

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- In extreme cases the engine may stall.

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: on
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none