Engine Coolant Temperature Receiver Gauge Malfunction
Circuit diagnosis
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- If there is an open or short in the engine coolant temperature sensor circuit, the hybrid vehicle control ECU outputs the DTCs. Perform troubleshooting with the "SFI System" (Click here).
| 1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER |
Operate the intelligent tester according to the steps on the display and select "ACTIVE TEST".
METER Item
Test Details
Diagnostic Note
Water Temperature Meter Operation
LOW / NORMAL / HI
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- OK:
- Needle indication is normal.
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| OK | |
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| 2. READ VALUE OF INTELLIGENT TESTER |
Operate the intelligent tester according to the steps on the display and select "DATA LIST".
HYBRID VEHICLE CONTROL ECU Item
Measurement Item/Range
(Display)
Normal Condition
Diagnostic Note
Coolant Temp
Engine coolant temp: -40°C (-40°F) to 140°C (284°F)
After warming up: 80 to 95°C (176 to 203°F)
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| OK | |
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| 3. REPLACE COMBINATION METER ASSEMBLY |
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| OK | ||
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