OK -- END
Up to 08/2009
NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B15F5: A/C ECU Vehicle Information Reading/Writing
Processor Malfunction
B15F5 - A/C ECU Vehicle Information Reading/Writing Processor Malfunction
DESCRIPTION
This DTC is stored when items controlled by the A/C ECU (air conditioning amplifier assembly) cannot be customized via the navigation system
vehicle customization screen.
HINT
The A/C ECU (air conditioning amplifier assembly) controls the air conditioning system related items that are customizable via
the navigation system screen.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK CAN COMMUNICATION SYSTEM
(a) Use the Techstream to check if the CAN communication system is functioning normally See: Powertrain Management/Computers
and Control Systems/Information Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication
System/How to Proceed With Troubleshooting.
OK:
CAN communication DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With
Troubleshooting
OK -- Continue to next step.
2. CHECK AIR CONDITIONING SYSTEM
(a) Check if the air conditioning system is malfunctioning See: Heating and Air Conditioning/Testing and Inspection/Initial Inspection
and Diagnostic Overview/How To Proceed With Troubleshooting.
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 See: Heating and Air Conditioning/Testing and Inspection/Initial Inspection and
Diagnostic Overview/How To Proceed With Troubleshooting
OK -- Continue to next step.
3. CHECK CUSTOMIZE ITEMS
(a) Display the "Vehicle Customization" screen.
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