Note. Check the vehicle battery condition first (see BATTERY TEST ). Check the connectors for poor connections or loose terminals. Disc labels should not be used in the audio unit. They may jam and damage the player mechanism.
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Insert a disc into the audio unit. Does the disc load? YES -Go to step 3. NO -Go to «AUDIO DISC DOES NOT LOAD TROUBLESHOOTING»(/acura/tl/iv-2011-2014/remont/entertainment-systems/#audio-system__audio-disc-does-not-load-without) .
- Insert a known-good disc to see if the symptom can be duplicated. Does the disc play? YES -Operation is normal. NO -Go to step 4.
- Insert the audio diagnostic CD (T/N 07AAZ-SDBA100) into the audio unit. Does the disc play? YES -The original disc is faulty or has an unreadable format. NO -Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/tl/iv-2011-2014/remont/entertainment-systems/#audio-system) ). Special Tools Required Diagnostic CD 07AAZ-SDBA100 Skip Test CD 07AAZ-SDBA200 Skip Test CD 07AAZ-SDBA300