Without Scan Tool
How to Use the Self-diagnostic Function without HDSThe climate control unit has a self-diagnostic function. To run the self-diagnostic function, do the following:
NOTE: Before troubleshooting the climate control system, refer to B-CAN System Diagnosis Test Mode A Troubleshooting. Troubleshooting - B-CAN System Diagnosis Test Mode A
1. Turn the ignition switch OFF and then ON (II).
2. Press and hold the OFF button, then press the rear window defogger button five times within 10 seconds. Release the buttons. All the LEDs blink for 2 seconds, then the self-diagnostic function begins.
NOTE: The blower motor will run at various speeds when in the self-diagnostic mode.
Set the Navigation System Diagnostic Mode
3. Turn the ignition switch ON (II). Use the navigation display hard buttons as described below:
- Make sure the battery is connected, then press and hold the three buttons (Menu, Map/Guide, and Cancel), and keep them pressed for approximately 5 seconds. The display screen will go directly to the "Select Diagnosis Items" menu shown below.
- Touch the Unit Check button, then touch the Aircon button.
- If there is any problem in the system, the display panel will indicate it. To determine the meaning of the indication, refer to the table that given.
- If there are no problems detected, the display panel will be blank.
Canceling the Self-diagnostic Function
4. Turn the ignition switch OFF to cancel the self-diagnostic function. After completing repair work, run the self-diagnostic function again to make sure that there are no other malfunctions.