DTC P1784-00: Hi Cut Valve Stuck Off/R-3-5 Cut Valve Stuck On: Notes
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
| DTC P1784:00 |
Hi cut valve stuck off/R-3-5 cut valve stuck on |
| DETECTION CONDITION |
- Under the following conditions, hi cut valve stuck-off or R-3-5 cut valve stuck-on detected by combination of gear ratio malfunction and oil pressure switch pattern malfunction:
- Engine is running.
- ATF temperature is 20 °C {68 °F} or more
.
- There is no difference between vehicle speed signal from DSC HU/CM and output shaft speed sensor signal.
- Turbine/input shaft speed sensor and output shaft speed sensor DTC is not recorded.
|
| FAIL-SAFE FUNCTION |
- Inhibits malfunctioning gear.
- Limits engine torque.
- Inhibits learning control.
- Inhibits neutral idle control.
|
| POSSIBLE CAUSE |
- ATF is less than specified value
- Hi cut valve malfunction
- R-3-5 cut valve malfunction
- Clutch burnt
|
| SYSTEM WIRING DIAGRAM |
Not applicable |