Reading and Clearing Diagnostic Trouble Codes

CLEARING DTC [HANDS-FREE TELEPHONE (HF/TEL) SYSTEM]

CAUTION: Before clearing the memory, be sure to enter all of the DTCs displayed in the on-board diagnostic test mode in the Audio Repair Order Form.

With Audio Unit

NOTE: Because the audio unit only displays the currently occurring DTC, it is not necessary to clear DTCs.

With Car-navigation Unit
1. Launch the on-board diagnostic test mode. (See STARTING PROCEDURE FOR ON-BOARD DIAGNOSTIC TEST MODE [HANDS-FREE TELEPHONE (HF/TEL) SYSTEM].) Initial Inspection and Diagnostic Overview




2. While pressing the POWER/VOLUME switch, simultaneously press the DISP switch for 2 s or more.
3. To stop the on-board diagnostic test mode, switch the ignition to off.