Instrument Panel, Gauges and Warning Indicators

Coolant Temperature Gauge:

Fault symptoms
Coolant temperature gauge in bottom position.

Condition
Break/short circuit in coolant temperature gauge circuit.

Diagnostic help
Reading of the current coolant temperature can be obtained with the diagnostic tool.
The coolant temperature gauge can also be activated with the diagnostic 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 diagnostic tool during the test.