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4. WATER TEMPERATURE GAUGE MALFUNCTION
CIRCUIT DIAGRAM
(a) Get the value of water temperature with the diagnosis tester
1 Connect the diagnosis tester to the diagnosis interface
2 Turn the ignition switch to ON
3 Read the value of engine water temperature displayed on the diagnosis tester
Standard: The same with the actual engine coolant temperature.
Result and solution:
If it is normal, the water temperature gauge has no malfunction
If abnormal, Inspect the combination meter assembly
(b) Inspect the combination meter assembly
1 Inspect resistance
Remove the combination meter assembly and disconnect connectors
Inspect continuity between terminals
Water Temperature Sensor
Combined Meter Assembly
Water
Temperature
Signal
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