METER / GAUGE SYSTEM > Engine Coolant Temperature Receiver Gauge Malfunction

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WIRING DIAGRAM


E110185E02


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
  1. 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
    -

    OK:
    Needle indication is normal.



NG
REPLACE COMBINATION METER ASSEMBLY
OK


2.READ VALUE OF INTELLIGENT TESTER
  1. 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)
    -



NG
GO TO SFI SYSTEM
OK


3.REPLACE COMBINATION METER ASSEMBLY


NG
GO TO SFI SYSTEM
OK

END