Group 30: Electrical system
Malfunctions
31
Volvo-specific for injectors
(MID 128, SID 1– 6)
FMI
Help
3
Short circuit to battery voltage, injector low voltage side
4
Short circuit to battery negative, injector low voltage or high voltage side
5
Open circuit in injector circuit
7
Mechanical system not responding properly
12
Low injector hold current
General advice
NOTE!
The following must be done before fault trac-
ing continues, to avoid changing functional
sensors:
●
If there is an active/inactive fault code.
Remove the connector from the sensor. Check
that there is no oxidation and that the connector
pins are not damaged.
If there is a fault, please refer to the instructions
in chapter “Fault tracing of cables and connec-
tors”.
NOTE!
Some fault codes become inactive when the
engine is stopped. Start the engine to check whether
the fault code is still inactive with the engine running.
●
After an action with the connector
Put the connector* back. Check if the fault code
becomes inactive.
Check faults that could be related to that specif-
ic sensor.
If the fault remains, measure the cables and
sensors to check them, as instructed.
*NOTE!
No grease in the connector.
