Without Scan Tool
How to Use the Self-diagnostic Function without HDSThe audio-HVAC display panel 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. Set the driver's temperature control dial on Max Cool (without navigation system).
2. Turn the ignition switch OFF, and then ON (II).
3. Press and hold the OFF button. While pressing the rear window defogger button five times within 10 seconds, then release the OFF button and the self-diagnostic will begin.
NOTE: The blower motor can run at any speed regardless of what the panel is displaying.
- If there is any problem in the system, the temperature indicator will light up the segment (A through Z) corresponding to the error. The temperature indicator will then alternate every second between displaying "88" (all segments lit) and the error code segment (A through Z). To determine the meaning of the DTC refer to Checking for DTCs.
- If there are no problems detected, the segments will not illuminate.
Canceling the Self-diagnostic Function
4. Turn the ignition switch OFF. After completing repair work, run the self-diagnostic function again to make sure that there are no other malfunctions.
Checking for DTCs
1. Turn the ignition switch ON (II).
2. Press and hold the AUTO button, then the OFF button. Continue to hold both buttons, if a DTC is detected, the DTC segment will flash then alternate to all segments flash.
NOTE:
- If you release the buttons, the display will go blank. To return the display, simply press the AUTO, then the OFF buttons again.
- In the case of multiple DTCs, the temperature indicator will display all of them. If indicator segments A, C, E, G, I, L, 0, R, T, and V are on at the same time, there may be an open in the common ground wire.