Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)

Toyota Tacoma 2015-2018 Service Manual / Audio / Video / Audio And Visual 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 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.

DTC Detection Condition

Trouble Area

B15F5

Air conditioning amplifier assembly vehicle setting processing malfunction

  • CAN communication system
  • Air conditioning system
  • Air conditioning amplifier assembly
  • Radio and display 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: ).

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 (See page HINT: ).

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

OK

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 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 (See page (b) Using the Techstream, confirm that it is possible to change the settings ).

(b) Using the Techstream, confirm that it is possible to change the settings of the air conditioning system related customize parameters that are shown as customizable 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

Speaker Output Short (B15C3)
DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. DTC Detection Condition Trouble Area B15C3 A short is d ...

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: ...

Other materials:

Blind Spot Monitor Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Blind Spot Monitor Sensor Communication Stop Mode Either Condition is met: Communication stop for "Blind Spot Monitor Master" is indicated on the "Communic ...

Front Camera Module Circuit (C1AA0)
DESCRIPTION When an internal malfunction is detected in the forward recognition camera, DTC C1AA0 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1AA0 Front Camera Module Circuit 3 seconds ...

Runnable Signal Malfunction (B2286,P0335)
DESCRIPTION These DTCs are stored when the engine speed signal sent by the ECM via direct line and the engine speed signal sent via CAN communication do not match. HINT: When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the s ...

В© 2011-2023 Copyright www.ttguide.net