PROBLEM SYMPTOMS TABLE
NOTICE:
When the fold seat control ECU (RH/LH seat) is replaced , it is necessary to perform initialization.
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HINT:
Symptom | Suspected Area | Link |
---|---|---|
Fold/Return functions do not operate. (Using fold seat switch assembly and No. 1 fold seat switch assembly) | Initialization | |
Proceed to "Power Source Circuit" | | |
Proceed to "Park/Neutral Position Switch Circuit" | | |
Proceed to "IG Signal Circuit" | | |
Proceed to "Power Seat Motor Circuit" | | |
Fold seat control ECU (RH seat) | | |
Fold seat control ECU (LH seat) | | |
Fold/Return functions do not operate. (Using No. 1 fold seat switch assembly) | Proceed to "Back Door Courtesy Switch Circuit" | |
Proceed to "Fold Seat Switch Circuit" | | |
Fold seat control ECU (RH seat) | | |
Fold seat control ECU (LH seat) | | |
Fold/Return functions do not operate. (Using fold seat switch assembly) | Proceed to "Fold Seat Switch Circuit" | |
Fold seat control ECU (RH seat) | | |
Fold seat control ECU (LH seat) | | |
Buzzer sounds continuously even though the rear No. 2 power seat is in the fully folded or returned position | Initialization | |
Operation check | | |
Proceed to "Position Sensor Circuit" | | |
Fold seat control ECU (RH seat) | | |
Fold seat control ECU (LH seat) | | |
Jam protection function operates unnecessarily | Check for foreign objects around the rear No. 2 power seat | - |
Initialization | | |
Operation check | | |
Proceed to "Position Sensor Circuit" | | |
Fold seat control ECU (RH seat) | | |
Fold seat control ECU (LH seat) | |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Back Door Courtesy Switch: Components
COMPONENTS ILLUSTRATION *A w/o Rear No. 2 Seat *B w/ Rear No. 2 Seat *1 BACK DOOR LOCK ASSEMBLY *2 BACK DOOR LOCK COVER *3 BACK DOOR TRIM BASE *4 BACK DOOR TRIM COVER LH *5 BACK DOOR TRIM COVER RH *6 BACK DOOR TRIM PANEL ASSEMBLY *7 BACK WINDOW UPPER PAN ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Axle System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...