GS 450h V6-3.5L (2GR-FSE) Hybrid (2007)
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Radiator Cooling Fan Control Module: Testing and Inspection
COOLING FAN ECU
ON-VEHICLE INSPECTION
1. CHECK COOLING FAN ECU
(a)
Check the input signal and output current.
HINT: Be sure to perform the inspection with the radiator coolant temperature less than 82°C (180°F).
Wire Harness Side
(1) Set the oscilloscope probe to the terminal B3-2 (SI) of cooling fan ECU.
(2) Connect the intelligent tester to the DLC3.
