Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT BATTERY VOLTAGE

(a) Check the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

    Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage is low, the seat heater system may not operate. When "Operation of Electrical Items Restricted." is displayed on the multi-information display ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the J43 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in th ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 8 Inch Display): Speaker Output Short (B15C3)
    DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. Detection Item DTC Detection Condition Trouble Area B15C3 Speaker Output Short A short is detected in the speaker output circuit. Harness or connector Speaker Stereo component amplifier assemb ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Vehicle Stability Control System: Left Front Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E014,C14E314)
    DESCRIPTION Refer to DTC C05001F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area C14E014 Left Front Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open With the +BS terminal voltage 9.5 to 17.4 V, the sensor power supply voltage decreases for ...

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

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

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