Volvo VN 2003 User Manual

Group 38 Fault Codes, Instrument Cluster Troubleshooting
MID 140 PID 78 Rear Rear Axle Temperature
W3005583
A03 Instrument cluster
B38RR Sensor, oil temp, rear rear axle
Fault code
FMI 3
Abnormally high voltage or short-circuit to higher voltage.
Conditions for fault code:
•
If the instrument cluster registers a voltage greater
than 4.5 V the instrument cluster interprets this as a
fault and a fault code is stored.
Possible cause:
•
Open-circuit in the ground lead.
•
Open-circuit in the signal cable.
•
Signal cable short-circuited to higher voltage.
•
Faulty sensor.
•
Contact resistance and oxidation.
Reaction from the instrument cluster:
•
Fault code is stored.
•
Yellow lamp requested.
Noticeable external symptoms:
•
Yellow lamp lights up.
•
The display shows an icon and the text ”NO DATA”.
Appropriate check:
•
“MID 140 PID 78 Rear Rear Axle Temperature,
Check” page 21.
FMI 4
Abnormally low voltage or short-circuit to lower voltage.
Conditions for fault code:
•
If the instrument cluster registers a voltage of less
than 0.5 V the instrument cluster interprets this as a
fault and a fault code is stored.
Possible cause:
•
Signal cable short-circuited to ground.
•
Faulty sensor.
Reaction from the instrument cluster:
•
fault code is stored.
•
Yellow lamp requested.
Noticeable external symptoms:
•
Yellow lamp lights up.
•
The display shows an icon and the text ”NO DATA”.
Appropriate check:
•
“MID 140 PID 78 Rear Rear Axle Temperature,
Check” page 21.
20

Volvo VN 2003 Specifications

General

Brand	Volvo
Model	VN 2003
Category	Trucks
Language	English