Coolant level sensor

Read the instructions below then start the fault diagnostic procedure.

Symptom: The SID unit gives a warning of low coolant level despite correct level or does not give a warning despite low level.

Coolant level sensor

Fault symptoms

The SID unit gives a warning of low coolant level despite correct level or does not give a warning despite low level.

Diagnostic help

The coolant level sensor can be read using the diagnostics tool.

The message COOLANT LEVEL LOW can be activated with the diagnostics tool.

Check the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostics instrument during the test.