DTC U2140-02: Communication Error With USB Port/SD Card Slot Hub/HDMI Terminal
U2140-02: (CMU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Communication error with USB port/SD card slot hub/HDMI terminal |
| Detection condition |
- The connectivity master unit (CMU) detects a communication error with the USB port/SD card slot hub/HDMI terminal.
|
| Fail-safe |
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between USB port/SD card slot hub/HDMI terminal and connectivity master unit (CMU) (See
CIRCUIT INSPECTION
.) (See
CONNECTOR INSPECTION
.)
- USB port/SD card slot hub/HDMI terminal malfunction (Refer to USB PORT/SD CARD SLOT HUB REMOVAL/INSTALLATION
in service information.) (Refer to [USB PORT/SD CARD SLOT HUB/HDMI TERMINAL REMOVAL/INSTALLATION]
in service information.) (Refer to USB PORT/SD CARD SLOT HUB INSPECTION
in service information.)
- Connectivity master unit (CMU) malfunction (software error (USB driver malfunction)) (Refer to CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION
in service information.)
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See
CLEARING DTC
.)
- Switch the ignition ON (engine off or on)/main power ON (READY off or on) and wait for 30 s or more.
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Connectivity master unit (CMU) |
| 2 |
USB port/SD card slot hub/HDMI terminal |