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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Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (MAIN BODY) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / Trouble Codes. Body Electrical > Main Body > Trouble Codes (e) Check for DTCs. CHECK F
Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR ILLUMINATION LIGHT (FRONT DOOR OUTSIDE HANDLE ASSEMBLY) *3 FRONT DOOR SERVICE HOLE COVER *4 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *5 MULTIPLEX NETWORK MAST
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