MID 128, PID 97 Water in fuel
indicator
FMI 0 – Data valid but above normal operational range
Fault code explanation: Water in fuel.
Fault indication: DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 2.9
Value fault: 2.1
Symptom: None.
Possible reason: • Water in the fuel trap has been detected.
•
Short circuit between both cables to the water in fuel switch.
Suitable action: 1
Empty the water trap.
2 Check the water in fuel switch.
3 Check the cable harness between water in fuel switch and EMS2.
FMI 3 – Voltage above normal or shorted high
Fault code explanation: Faulty monitor / Faulty monitor circuit
Fault indication: DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 2.9
Value fault: 2.1
Symptom: None.
Conditions for fault code: The voltage potential on B8 is too high.
Possible reason: The cable connected to B8 is short-circuited to battery voltage.
Suitable action: 1 Check the cable harness between water in fuel switch and EMS2.
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30-2 Fault Tracing
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