Volvo TSI - Fault Codes; MID 128 SID 232 5 Volt DC Supply

Group 28 Troubleshooting
MID 128 SID 232 5 Volt DC Supply
Fault Codes
FMI 3
Short circuit to voltage.
Conditions for fault code:
•
The voltage on EA4 exceeds 5.5 V.
Possible cause:
•
Short circuit to battery voltage on the output.
Reaction from the EECU:
•
Fault code is set.
•
Yellow lamp is requested.
Noticeable external symptom:
•
Yellow lamp lights up.
•
Incorrect values on oil pressure sensor and boost
pressure sensor.
•
fault code on oil pressure sensor and boost pres-
sure sensor.
•
Low power output.
•
Oil pressure gauge and boost pressure gauge show
0 in the instrument.
FMI 4
Short circuit to ground.
Conditions for fault code:
•
The voltage on EA4 is under 4.5 V.
Possible cause:
•
Short circuit to ground.
•
Short circuit in sensor.
•
Faulty sensor.
Reaction from the EECU:
•
Fault code is set.
•
Yellow lamp is requested.
Noticeable external symptom:
•
Yellow lamp lights up.
•
fault code on oil pressure sensor and boost pres-
sure sensor.
•
Oil pressure gauge and boost pressure gauge show
0 in the instrument.
•
Low power output.
188