Simple Inspection

Engine Coolant Temperature Gauge Simple Inspection:

1. Remove connector from engine coolant temperature gauge unit in engine compartment.

2. Ground harness side connector via test light (12V-3.4W).

3. Turn ON ignition key.

4. Check that test light goes on and gauge needle moves.

5. If test light goes on but the gauge needle does not move, replace engine coolant temperature gauge.
If test light does not go on (and gauge needle does not move), check fuse for broken wire. or resistance between gauge terminals, or break in harness. Replace or repair defective part.