Toyota CH-R Service Manual: Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / 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 audio and visual system vehicle customization screen.

HINT:

The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the audio and visual system vehicle customization 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
  • CAN communication system
  • Air conditioning system
  • Air conditioning amplifier assembly
  • Radio and display receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC is stored.
  • The radio and display receiver assembly may not operate normally.

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 AIR CONDITIONING SYSTEM

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

  • for Automatic Air Conditioning System with Top-mounted Air Conditioner Pressure Sensor: Click here
  • for Automatic Air Conditioning System with Side-mounted Air Conditioner Pressure Sensor: 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 (for Automatic Air Conditioning System with Top-mounted Air Conditioner Pressure Sensor)

OK

3.

CHECK CUSTOMIZE ITEMS (for Automatic Air Conditioning System with Top-mounted Air Conditioner Pressure Sensor)

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

HINT:

The items shown as customizable via the audio and visual system vehicle customization screen can also be changed using the Techstream. In the following step, the Techstream will be used.

(1) To match-up the items on the audio and visual 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 audio and visual system vehicle customization screen.

Click here

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

OK:

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

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

    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 audio and visual system vehicle customization screen. HINT: T ...

    Telematics Transceiver Disconnected (B15DB)
    DESCRIPTION If the radio and display receiver assembly cannot detect the DCM (telematics transceiver) for a certain period of time (90 seconds) after the ignition switch is turned on (ACC) and th ...

    Other materials:

    Toyota CH-R Service Manual > Automatic Light Control Sensor: Removal
    REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY Click here 2. REMOVE DEFROSTER NOZZLE ASSEMBLY Click here 3. REMOVE AUTOMATIC LIGHT CONTROL SENSOR (a) Disconnect the connector. (b) Disengage the c ...

    Toyota CH-R Service Manual > Window Defogger System: Terminals Of Ecu
    TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made) (a) Disconnect the F72 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the co ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2020 Copyright www.tochr.net
    0.0194