Lexus ES: Cooling Fan System
- Precaution
- Parts Location
- System Diagram
- Problem Symptoms Table
- On-vehicle Inspection
- Cooling Fan Circuit
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Precaution
PRECAUTION INITIALIZATION NOTICE: Make sure to perform the necessary procedures (adjustment, calibration, initialization, or registration) after parts related to the cooling fan system have been remov
Parts Location
PARTS LOCATION ILLUSTRATION *1 FAN WITH MOTOR ASSEMBLY - COOLING FAN MOTOR - COOLING FAN ECU *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - EFI-MAIN NO. 1
System Diagram
SYSTEM DIAGRAM
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Terminals Of Ecu
TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the J20 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector discon
Diameter of the Tire is not Uniform (C1337)
DESCRIPTION The 4WD ECU assembly outputs this DTC if a difference in tire size is detected. DTC No. Detection Item DTC Detection Condition Trouble Area C1337 Diameter of the Tire is not Uniform When the following continues for 36 seconds or more: At a vehicle speed of 30 km/h (19 mp
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