Lexus ES: System Diagram
SYSTEM DIAGRAM
w/ Parking Assist Monitor System 
w/ Panoramic View Monitor System 
w/ Manual (SOS) Switch 
w/o Manual (SOS) Switch 
for 10 Speakers 
for 17 Speakers 
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Terminals Of Ecu
TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. RADIO RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition
Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U1110)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Sending Malfunction (Navi
USB Audio System Recognition/Play Error
DESCRIPTION When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo jack adapter assembly, it must have playable files. The device must also communicate with and be recognized by
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Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
DESCRIPTION Refer to DTC P033511. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P03352A Crankshaft Position Sensor "A" Signal Stuck in Range No crankshaft position sensor signal to the ECM while the engine running (1 trip detection lo
Inspection
INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Install a hose to the PCV valve (ventilation valve sub-assembly). (b) Check PCV valve (ventilation valve sub-assembly) operation. (1) Blow air into the cylinder head sub-assembly side, and check that air passes through ea
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