DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart access system with push-button start (for Entry Function) related items that are customizable via the multi-display assembly screen.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B15F7 | Certification ECU Vehicle Information Reading/Writing Process Malfunction | Certification ECU (smart key ECU assembly) vehicle setting processing malfunction |
|
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here
PROCEDURE
1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
OK:
CAN DTCs are not output.
NG | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
2. | CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) |
(a) Check if the smart access system with push-button start (for Entry Function) is malfunctioning.
Click here
HINT:
Customization may not be possible depending on the malfunction in the smart access system with push-button start (for Entry Function).
OK:
No malfunctions are present in the smart access system with push-button start (for Entry Function).
NG | ![]() | GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) |
|
3. | CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
|
4. | CHECK FOR DTC |
(a) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
A | ![]() | END |
B | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Electric Parking Brake System: Right Electric Parking Brake Actuator Control Circuit Open (C061013)
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Diagnosis Condition:
Electric parking brake not operating
Malfunction Status:
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...