CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | INSPECT 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.
|
3. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
Result | Proceed to |
---|---|
CAN DTC is not output | A |
CAN DTC is output | B |
B | ![]() | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
4. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
(b) Check for freeze frame data.
HINT:
Write down or print DTCs and freeze frame data if necessary.
(c) Clear the DTCs and freeze frame data.
Click here
(d) Recheck for DTCs.
Click here
Result | Proceed to |
---|---|
DTC does not reoccur | A |
DTC does reoccur | B |
B | ![]() | GO TO STEP 7 |
|
5. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
---|---|
Fault not listed in problem symptoms table | A |
Fault listed in problem symptoms table | B |
B | ![]() | GO TO STEP 7 |
|
6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
|
7. | REPAIR OR REPLACE |
|
8. | CONFIRM TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System: Back Door Courtesy Switch Circuit
DESCRIPTION The multiplex network door ECU receives the courtesy light switch signal from the back door lock assembly and transmits it to the main body ECU (multiplex network body ECU) via CAN communication. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Connect the Techstream ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Rear seats: Folding the third-row seat seatbacks (RX450hL)
■ Before folding the third-row seat seatbacks
1. To prevent the seat belt from
being damaged, hook it to the
seat belt hanger.
2. Lower the third-row seat head restraints to the lowest position.
■ Folding the third-row seat seatbacks
Press and hold the
side of the
switch until the se ...