Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Back Door Courtesy Switch: Removal
    REMOVAL PROCEDURE 1. REMOVE BACK WINDOW UPPER PANEL TRIM (w/o Rear No. 2 Seat) Click here 2. REMOVE BACK WINDOW UPPER PANEL TRIM (w/ Rear No. 2 Seat) Click here 3. REMOVE BACK DOOR TRIM COVER LH (w/o Rear No. 2 Seat) Click here 4. REMOVE BACK DOOR TRIM COVER LH (w/ Rear No. 2 Seat) Click he ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear No. 1 Seat Assembly (for Captain Seat Type): Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the seat frame may injure your hands. HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. REMOVE SEAT ADJUSTER COVER CAP (a) Remove the 2 seat ...

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

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

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