Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Rear Camera / Trouble Codes.
Chassis > Rear Camera > Trouble Codes(e) Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
Body Electrical > Navigation System > Trouble Codes(f) Check for DTCs.
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NOTICE:
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C1622 is output from the radio receiver assembly. Therefore, if C1622 is output, proceed to the Problem Symptoms Table for the relevant systems.
Refer to navigation system*1
Click here
Refer to audio and visual system (for 8 Inch Display)*2
Click here
Refer to audio and visual system (for 12.3 Inch Display)*3
Click here
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The radio receiver assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the parking assist monitor system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.
System
Proceed to
Navigation System*1
Audio and Visual System (for 8 Inch Display)*2
Audio and Visual System (for 12.3 Inch Display)*3
- *1: w/ Navigation System
- *2: w/ Audio and Visual System (for 8 Inch Display)
- *3: w/ Audio and Visual System (for 12.3 Inch Display)
CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Rear Camera / Trouble Codes.
Chassis > Rear Camera > Clear DTCs(e) Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
Body Electrical > Navigation System > Clear DTCs(f) Clear the DTCs.
Diagnosis System
DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio receiver assembly can be checked and the park ...
ECU Malfunction (C1611)
DESCRIPTION This DTC is stored if the rear television camera assembly judges that there is an internal malfunction as a result of its self check. HINT: The rear television camera assembly stores diffe ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: ECM Power Source Circuit
DESCRIPTION When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the semiconductor pwr integration ECU (EFI-MAIN relay), closing the contacts and supplying ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Safety Connect System: System Description
SYSTEM DESCRIPTION DESCRIPTION (a) Safety Connect performs ACN (Automatic Collision Notification), manual emergency calling, stolen vehicle tracking and roadside assistance service by, audio and data communications between the vehicle and call center through a cellular phone network. As shown in the ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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