Volvo TAD650VE Workshop Manual page 46

Diagnostic Trouble Codes
44
Fault tracing
FMI 0 Water in fuel
Conditions for fault code:
Water in the fuel trap has been detected.
Suitable action:
1. Empty the water trap.
2. Check function of water in fuel monitor.
FMI 3
Conditions for fault code:
The voltage signal on B8 is too high.
Possible reason:
•
The cable connected to B8 is short circuited to
battery voltage.
Suitable action:
1. Check cable harness and connectors between wa-
ter in fuel monitor and EMS 2.
FMI 4
Conditions for fault code:
The voltage signal on B8 is too low.
Possible reason:
•
Short circuit between both cables to the water in
fuel monitor.
•
The cable connected to B8 is short circuited to
battery negative.
Suitable action:
1. Check cable harness and connectors between wa-
ter in fuel monitor and EMS 2.
Group 30: Electrical system