Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the multi-display assembly screen.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B15F5 | Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction | Air conditioning amplifier 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 Navigation System.
Click here .gif)
PROCEDURE
| 1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
OK:
CAN communication DTCs are not output.
| NG |  | GO TO CAN COMMUNICATION SYSTEM |
|
| 2. | CHECK AIR CONDITIONING SYSTEM |
(a) Check if the air conditioning system is malfunctioning.
Click here
HINT:
Customization may not be possible depending on the malfunction in the air conditioning system.
OK:
No malfunctions are present in the air conditioning system.
| NG | | GO TO AIR CONDITIONING SYSTEM |
|
| 3. | CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
|
| 4. | CHECK FOR DTC |
(a) Recheck for DTCs.
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 |
Telematics Transceiver Disconnected (B15DB)
DESCRIPTION If the radio receiver assembly cannot detect the DCM (telematics transceiver) for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio receiver as ...
Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the navigation system vehicle customization screen. HINT: The main body ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Camera System: Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range (C10001C,C10051C,C100A62,C1A9346,C1A9445,C1A9447,C1A9487-C1A961C)
DESCRIPTION When an internal malfunction is detected in the forward recognition camera, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area C10001C Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range A forward recognitio ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Open in Outer Mirror Indicator(Slave) (C1AB5)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an open in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB5 Open in Outer Mirror Indicator(Slave) Both of the following conditions are met:
The b ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0128