Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (cooling) / Cooling Fan System / System Diagram
SYSTEM DIAGRAM
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspe
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends
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System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Sliding Roof ECU (Sliding Roof Drive Gear Assembly)
Sliding roof operation permission signal
IG signal
Front door courtesy light switch assembly signal
Vehicle speed
PBD/PTL Closer Switch (B2251)
DESCRIPTION DTC B2251 is output if there is a malfunction in the half latch switch circuit of the luggage door closer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B2251 PBD/PTL Closer Switch When luggage door is opening or closing, malfunction occurs in half
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