Lexus ES: System Diagram
SYSTEM DIAGRAM
w/ Parking Assist Monitor System 
w/ Panoramic View Monitor System 
w/o Manual (SOS) Switch 
w/ Manual (SOS) Switch 
w/ Manual (SOS) Switch 
for 10 Speakers 
for 17 Speakers 
for 17 Speakers 
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System Diagram
SYSTEM DIAGRAM w/ Parking Assist Monitor System w/ Panoramic View Monitor System w/o Manual (SOS) Switch w/ Manual (SOS) Switch w/ Manual (SOS) Switch for 10 Speakers for 17 Speakers for 17
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
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Readiness Monitor Drive Pattern
READINESS MONITOR DRIVE PATTERN PURPOSE OF READINESS TESTS
The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities using DTCs (Diagnostic Trouble Codes). Since various components need to be monitored du
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 probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
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