Toyota Venza: A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)

Toyota Venza Service Manual / Navigation / Multi Info Display / Navigation System / A/C 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 navigation system vehicle customization screen.

DTC No.	DTC Detection Condition	Trouble Area
B15F5	Air conditioning amplifier assembly vehicle setting processing malfunction	CAN communication system Air conditioning system Air conditioning amplifier assembly Navigation receiver assembly

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).

OK:

CAN communication DTCs are not output.

GO TO CAN COMMUNICATION SYSTEM

2.	CHECK AIR CONDITIONING SYSTEM

(a) Check if the air conditioning system is malfunctioning (See page ).

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.

GO TO AIR CONDITIONING SYSTEM

3.	CHECK CUSTOMIZE ITEMS

(a) Make a note of the customizable items for the air conditioning system.

HINT:

The items shown as customizable via the navigation system vehicle customization screen can also be changed using the Techstream. In the following steps, the Techstream will be used.

(1) To match-up the items on the navigation system vehicle customization screen with the items on the Techstream, check the customize parameters list for the air conditioning system related items that can be customized via the navigation system vehicle customization screen (See page ).

(b) Using the Techstream, confirm that it is possible to change the settings of the customize parameters that are available for customization via the navigation system vehicle customization screen.

OK:

The items available for customization via the navigation system vehicle customization screen can be customized successfully using the Techstream.

REPLACE NAVIGATION RECEIVER ASSEMBLY

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

Stereo Component Amplifier Disconnected (B15D3)

DESCRIPTION The navigation receiver assembly and stereo component amplifier assembly are connected via AVC-LAN communication. This DTC is stored when an AVC-LAN communication error occurs between ...

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 m ...

Other materials about Toyota Venza:

Operation Check
OPERATION CHECK 1. CHECK POWER DOOR LOCK CONTROL OPERATION NOTICE: The following procedure is based on the assumption that the functions have not been customized using the Techstream. (a) Check basic functions. (1) Check that all doors lock when the loc ...

Terminals Of Ecu
TERMINALS OF ECU 1. A/C AMPLIFIER HINT: Check from the rear of the connector while it is connected to the A/C amplifier. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified ...

Screen Flicker or Color Distortion
PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END NG ...