Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Outside Air Temperature Sensor (C1652)

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System / Outside Air Temperature Sensor (C1652)

DESCRIPTION

When a malfunction signal sent from the air conditioning system via CAN communication is detected by the clearance warning ECU assembly, DTC C1652 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1652

Outside Air Temperature Sensor

Ambient temperature sensor malfunction

Air conditioning system

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

PROCEDURE

1.

CHECK AIR CONDITIONING SYSTEM

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

Click here

HINT:

After turning the engine switch from off to on (IG), wait 13 seconds or more before checking for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

(b) Clear the DTCs according to the screen on the Techstream.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(c) Recheck for DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

HINT:

  • DTC C1652 is stored when a malfunction signal sent from the air conditioning system is detected.
  • If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1652 will not be output again.
  • If DTC C1652 is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

    Click here

Result

Proceed to

DTC C1652 is output

A

DTC C1652 is not output

B
A

GO TO AIR CONDITIONING SYSTEM

B

USE SIMULATION METHOD TO CHECK

    Brake Hydraulic Pressure Malfunction (C164F)
    DESCRIPTION When a malfunction signal sent from the skid control ECU via CAN communication is detected by the clearance warning ECU assembly, DTC C164F is stored. DTC No. Detection Item DTC Det ...

    Vehicle Information Unmatched (C168D)
    DESCRIPTION If the vehicle information stored in the main body ECU (multiplex network body ECU) which is sent via CAN communication during the clearance warning ECU assembly self-diagnosis does not ma ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Outer Rear View Mirror: Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL OUTER MIRROR RETRACTOR LH (w/ Power Retract Mirror) (a) Install a new frame sub-assembly to the support as shown in the illustration. ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Camshaft Position Sensor "A" Bank 1 or Single Sensor Circuit Short to Ground (P034011,P034015,P034031,P034511,P034515,P034531)
    DESCRIPTION The VVT sensor (for intake camshaft) (VV1, VV2 signal) consists of a magnet and MRE (Magneto Resistance Element). The intake camshaft has a timing rotor for the VVT sensor. When the intake camshaft rotates, changes occur in the air gaps between the timing rotor and MRE, which affects the ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0132