toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Heater Control Valve > < Temperature Sensor (Gauge)|Testing and Inspection
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Step 1(Continued)-2

INSPECTION PROCEDURE

HINT:

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If DTC U0100 has been stored, troubleshoot the CAN communication system first.

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If there is an open or short in the engine coolant temperature sensor circuit, an SFI system DTC is output. If output, perform troubleshooting on the
SFI system.

Heater Control Valve > < Temperature Sensor (Gauge)|Testing and Inspection