Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the lighting system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

NEXT

3.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

NEXT

4.

INSPECT CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result

Proceed to

CAN communication system DTCs are not output.

A

CAN communication system DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table.

A

Fault is listed in Problem Symptoms Table.

B

B

GO TO PROBLEM SYMPTOMS TABLE

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Terminals of ECU

Click here

NEXT

7.

ADJUST, REPAIR OR REPLACE

NEXT

8.

CONFIRMATION TEST

NEXT

END

    System Diagram
    SYSTEM DIAGRAM ...

    Operation Check
    OPERATION CHECK INSPECT ILLUMINATED ENTRY SYSTEM OPERATION NOTICE: Perform this inspection with the customize parameters at the initial settings. HINT: Perform this inspection with the door switch of ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Seat Heater System: Seat Heater for Front Left Seat does not Operate
    DESCRIPTION When the refreshing seat switch (for front side) is operated, the air conditioning amplifier assembly receives the signal. The air conditioning amplifier assembly receives the signal and operates the front seat heater. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the battery vol ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Blind Spot Monitor System: Blind Spot Monitor Master Module (C1AB6)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB6 Blind Spot Monitor Master Module The blind spot monitor sensor LH (master) detects an internal malfunction Blind ...

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

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

    © 2024 Copyright www.lexusrx.net
    0.019