DTC U300A-62: Ignition Switch [DSC HU/Cm]: 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.
| System malfunction location |
Ignition switch |
| Detection condition |
- The DSC HU/CM detects that the following do not correspond.
- IG1 power supply condition received via CAN communication from body control module (BCM)
- IG1 power supply condition determined from DSC HU/CM power supply circuit (IG1)
|
| Fail-safe |
Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .) |
| Possible cause |
- IG1 relay No. 2 malfunction
- DSC HU/CM connector or terminals malfunction
- F48 7.5 A fuse malfunction
- Short to ground in DSC HU/CM power supply circuit (IG1)
- Open circuit in DSC HU/CM power supply circuit (IG1)
- Short to power supply circuit in DSC HU/CM power supply circuit (IG1)
- DSC HU/CM malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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