Reading and Clearing Diagnostic Trouble Codes
General Troubleshooting InformationHow to Check for DTCs with the HDS
1. Make sure the ignition switch is OFF.
2. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
3. Turn the ignition switch ON (II). Make sure the HDS communicates with the vehicle and the audio-HVAC display panel. If it doesn't, troubleshoot the DLC circuit.
4. Select DTCs in the body electrical/climate control mode MENU of the HDS.
5. Check for DTCs. If a DTCs indicated, go to the next step. If no DTC(s) indicated, refer to symptom troubleshooting. Symptom Related Diagnostic Procedures
6. Turn the ignition switch OFF.
7. Disconnect the HDS from the DLC.
8. Do the troubleshooting procedure for the DTC indicated.
NOTE:
- After the troubleshooting, clear the DTCs with the HDS.
- For specific operations, refer to the user's manual that came with the HDS.
How to Retrieve a DTC (Without HDS)
The audio-HVAC display module has a self-diagnostic function for climate control. To run the self-diagnostic function, do the following:
NOTE: Before troubleshooting the climate control system, refer to the multiplex integrated control system test mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A
1. Turn the ignition switch ON (II).
2. Press the AUTO button, and set the temperature to Lo.
3. Press and hold the OFF button. While holding the OFF button, press the rear window defogger button five times within 10 seconds. The self-diagnosis begins.
If there is any problem in the system, the temperature indicator will light up the segment (A through Q) 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 Q). To determine the meaning of the DTC, refer to the DTC Troubleshooting Index. Diagnostic Trouble Code Descriptions
If there are no problems detected, the screen will go blank in about 10 seconds.
Canceling the Self-diagnostic Function
4. Turn the ignition switch OFF or press the AUTO button 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.
Checking DTCs by DTC Indicator
NOTE: Before troubleshooting the climate control system, refer to the multiplex integrated control system test mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A
To retrieve the DTC, you must run the self-diagnostic function. In the case of multiple problems, the respective indicator segments will come on. If indicator segments A, C, E, G, I, L, and O come on at the same time, there may be an open in the common ground wire of the sensors.
