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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Removal
REMOVAL PROCEDURE 1. REMOVE VACUUM SWITCHING VALVE (for Active Control Engine Mount System) Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH Click here 3. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH Click here 4. REMOVE NO. 1 ENGINE UNDER COVER Click here 5. REMOVE NO. 2 ENGINE U
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of
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