Interlock Mode - Volvo ECS Training Tips And Tactics

ECS Gen. 1
If an ECS fault occurs, the ECU will put the system into

Interlock mode

ʻinterlockʼ or ʻblockedʼ mode. In this mode, the voltage
supplies to the solenoid valve blocks are removed, so
automatic height adjustment does not work.
Is the system in
A quick method to find out if the system is in interlock mode
interlock mode ? (on trucks with a lifting rear axle):
- put the control switch (1) in normal driving position - AUT
- move the regulator switch (3) to raise or lower position
- if the axle is raised or lowered, the system is in interlock
mode
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