Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / 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 ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the multi-display assembly screen:

  • Power door lock control system
  • Wireless door lock control system
  • Lighting system (for Interior)
  • Lighting system (for Exterior)

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15F6

Main Body ECU Vehicle Information Reading/Writing Process Malfunction

Main body ECU (multiplex network body ECU) vehicle setting processing malfunction

  • CAN communication system
  • Power door lock control system
  • Wireless door lock control system
  • Lighting system (for Interior)
  • Lighting system (for Exterior)
  • Radio receiver assembly

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

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

OK

2.

CHECK POWER DOOR LOCK CONTROL SYSTEM

(a) Check if the power door lock control system is malfunctioning.

Click here

HINT:

Customization may not be possible depending on the malfunction in the power door lock control system.

OK:

No malfunctions are present in the power door lock control system.

NG

GO TO POWER DOOR LOCK CONTROL SYSTEM

OK

3.

CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

(a) Check if the wireless door lock control system is malfunctioning.

Click here

HINT:

Customization may not be possible depending on the malfunction in the wireless door lock control system.

OK:

No malfunctions are present in the wireless door lock control system.

NG

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM

OK

4.

CHECK LIGHTING SYSTEM (for Interior)

(a) Check if the lighting system (for Interior) is malfunctioning.

Click here

HINT:

Customization may not be possible depending on the malfunction in the lighting system (for Interior).

OK:

No malfunctions are present in the lighting system (for Interior).

NG

GO TO LIGHTING SYSTEM (for Interior)

OK

5.

CHECK LIGHTING SYSTEM (for Exterior)

(a) Check if the lighting system (for Exterior) is malfunctioning.

w/ Automatic Headlight Beam Level Control System: Click here

w/o Automatic Headlight Beam Level Control System: Click here

HINT:

Customization may not be possible depending on the malfunction in the lighting system (for Exterior).

OK:

No malfunctions are present in the lighting system (for Exterior).

NG

GO TO LIGHTING SYSTEM (for Exterior)

OK

6.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
NEXT

7.

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

    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 ...

    Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
    DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the navigation system vehicle customization screen. HINT: The certificat ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Exterior Panels / Trim: Front Door Outside Moulding
    ComponentsCOMPONENTS ILLUSTRATION *1 FRONT DOOR OUTSIDE MOULDING SUB-ASSEMBLY *2 NO. 3 FRONT DOOR WEATHERSTRIP *3 HOLE PLUG - - InstallationINSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Actuator Power Source Circuit
    DESCRIPTION This is the power source for the power tilt and power telescopic steering column system. WIRING DIAGRAM CAUTION / NOTICE / HINT HINT: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK HARNESS AND CONNECTOR (MULTIPLE ...

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

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

    © 2022 Copyright www.lexusrx.net
    0.0142