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Home >> Acura >> 2021 >> TLX Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio Visual Systems - Service, Testing & Troubleshooting >> Removal and Installation >> Audio And Visual System Diagnostic Mode >> Touchpad Diagnostics
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Touchpad Diagnostics

This screen shows the touchpad unit status. Select the TOUCHPAD DTC, and the test begins. To return to the previous screen, select the RETURN icon.

Touchpad Diagnostics
TOUCHPAD FIRMWARE UPDATE * TOUCHPAD DTC

*: Not supported

Touchpad DTC 

This screen shows error code(s) and simple description about the touchpad unit and the volume and seek switch.

When the audio and visual system hard error codes were cleared , the touchpad error code in this screen is cleared together.

GHH476655Courtesy of HONDA, U.S.A., INC.

Error Code List 

Error Code Description Remark
1 Stuck Home Button If each button on the touchpad unit stuck pressed state more than 30 seconds, an abnormality is detected and the error code is stored.
2 Stuck Back Button
3 Stuck Menu Button
4 Stuck Enter Button If each audio button on the volume and seek switch stuck pressed state more than 30 seconds, an abnormality is detected and the error code is stored.
5 Stuck Seek Plus Button
6 Stuck Seek Minus Button
7 Battery Voltage Below Minimum Voltage Level If the +B_AUDIO circuit voltage falls below the normal range, an abnormality is detected and the error code is stored.
8 Battery Voltage Above Maximum Voltage Level If the +B_AUDIO circuit voltage rises above the normal range, an abnormality is detected and the error code is stored.
9 Touch Sensor Fault If the sensor in the touchpad is faulty, an abnormality is detected and the error code is stored.
10 Communication Lost If the touchpad unit detects RS485 communication error, an abnormality is detected and the error code is stored.