DTC U300E-13: Power Switch
U300E:13 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Power switch |
| Detection condition |
- The dash-electrical supply unit detects that the IG1 power supply condition determined from the dash-electrical supply unit power supply circuit is off even though the IG1 power supply condition received via CAN communication from body control module (BCM) is on.
|
| Fail-safe |
|
| Possible cause |
- IG1 relay malfunction (Refer to [RELAY INSPECTION
]
).
- Malfunction in wiring harness (including connector/terminal) between IR1 relay and dash-electrical supply unit (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Dash-electrical supply unit malfunction (Refer to [DASH-ELECTRICAL SUPPLY UNIT REMOVAL/INSTALLATION
]
).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Battery/lead-acid battery |
| 2 |
IG1 relay |
| 3 |
Dash-electrical supply unit |