DTC U1110-00: Can Communication: Communication Error To Drive Motor Control Module (At-Bus)
U1110:00 (TCM (PM8AX-EC)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
CAN communication: Communication error to drive motor control module (AT-bus) |
| Detection condition |
- The TCM cannot receive CAN signal from drive motor control module.
Precondition
- Lead-acid battery voltage is the standard or more.
- Vehicle is being driven
|
| Fail-safe |
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between drive motor control module and TCM (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Drive motor control module malfunction (Refer to [INVERTER REMOVAL/INSTALLATION
] in service information).
- Control valve body malfunction (TCM malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION
] in service information).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
TCM |
| 2 |
Drive motor control module |