DTC U3000-04: Driver Monitoring (Dm) System Malfunction (Driver Monitoring Camera Unit): Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3000:04 (DRIVER MONITORING CAMERA UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Driver monitoring (DM) system malfunction |
| Detection condition |
- The driver monitoring camera unit detects a driver monitoring (DM) system malfunction for 120 s.
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| Fail-safe |
(See DTC TABLE [DRIVER MONITORING CAMERA UNIT (US)] .) |
| Possible cause |
NOTE:
- Driver monitoring camera is built into center display
- Driver monitoring camera LED is built into center display
- Driver monitoring camera unit connector or terminal malfunction
- Center display connector or terminal malfunction
- Short to ground in driver monitoring camera communication circuit
- Short to ground in driver monitoring camera LED following circuits:
- Power supply circuit
- Voltage detect circuit
- Control circuit
- Short to power supply in driver monitoring camera communication circuit
- Short to power supply in driver monitoring camera LED following circuits:
- Power supply circuit
- Voltage detect circuit
- Control circuit
- Short circuit in driver monitoring camera LED following circuits:
- Power supply circuit
- Voltage detect circuit
- Control circuit
- Open circuit in driver monitoring camera communication circuit
- Open circuit in driver monitoring camera LED following circuits:
- Power supply circuit
- Voltage detect circuit
- Control circuit
- Driver monitoring camera malfunction
- Video output malfunction from driver monitoring camera
- Driver monitoring camera unit malfunction
- Malfunction in internal power supply for driver monitoring camera LED
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 Courtesy of MAZDA MOTORS CORP.
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