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Lexus
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2002
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SC 430 V8-4.3L (3UZ-FE)
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Radiator Cooling Fan
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Radiator Cooling Fan Motor
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Testing and Inspection
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Pinout Values and Diagnostic Parameters
Pinout Values and Diagnostic Parameters
C4 (A), C5 (B) COOLING FAN ECU
(A) 1 - GROUND
:
Approx.
12 volts
with ignition SW at ON or ST position
(B) 1, (B) 2 - GROUND
:
Always continuity