Fault Information


Fault Code Description
Completion to the Fuel System Diagnosis that monitors the lambda control. This function is active in the adaptation phases as well as in the tank venting phases because this is an official requirement (CARB = California Air Resources Board).
The fault is identified when the mixture regulator limit exceeds 30% for 50 seconds. Cylinder bank 1
Possible cause of fault:
- Mixture too lean
A. intake plenum
Pressure sensor fault
before and after the throttle valve
B. intake plenum exhaust apparatus
1. Leakage in the exhaust system
2. One catalyst completely closed!
C. Fuel path
faulty fuel injector (mechanical)
Fault Code Conditions
General Conditions Voltage condition:
- System voltage > 10 V
Temperature condition:
- Coolant temperature > -10 °C
Time condition:
- None
Other conditions:
- Engine on
Terminal Condition Terminal 15
on
Driving Conditions
Fault Time Condition
50 sec lambda controller at upper stop in max. 60 sec
Service Plan
‐ Visual inspection of affected components
‐ Locate leaks and rectify
- Check hot film air mass meter plug contacts and electrical lines
- Replace hot film air mass meter
- fused catalyst (visual inspection via probe ports)
- Check fuel high pressure
- Check high pressure sensor contacts and electrical lines
- Replace high pressure sensor
- Replace high pressure sensor
Fault Impact
Possible noticeable symptoms:
Engine running
rough (misfiring,
rough idling)
Engine does not shut down (switch-off inhibitor)
stranded vehicle information:
None
Warnings
Warning Lights MJ10:
‐ Check engine ECE: on
‐ Electronic engine output reduction ECE: off
- CC message: none
MJ11:
- Check engine US on
‐ Electronic engine output reduction US: off
- CC message: none
Control Center Messages
Service Notes
None