Ground

If a solenoid circuit or sensor circuit has poor grounding, the following malfunctions may exist:

Abnormal shifting
- Shift points abnormal
- Transmission hunts (repeated upshifting/downshifting)
- Drives away except in 1st gear
- Does not shift to Fourth gear
- Fail-safe function may be operated by on-board diagnosis system according to extent of malfunction

Deterioration of shift feeling
- Oil pressure high and shift shock strong
- Shift timing incorrect and engine flares up
- Shift timing incorrect and vehicle brakes on shifting
- Fail-safe function may be operated by on-board diagnosis system according to extent of malfunction