11 Deviations at All Shift Points (Early, Late Shifts)
PROCEDURE NUMBER & NAMENo. 11: All points (Early, late shifting points).
PROCEDURE DESCRIPTION
All shift points occurs early, late while driving. In such cases, the cause is probably a defective pulse generator B (PG-B) or shift control solenoid valve A or B (SCSV-A, B).
PROBABLE CAUSE
- Malfunction of pulse generator B (PG-B)
- Malfunction of shift control solenoid valve A or B (SCSV-A, B)
- Malfunction of TCM
- Abnormal reducing pressure or kickdown servo brake application pressure
- Malfunction of clutches and brakes
- Malfunction of valve body
DIAGNOSTIC CHART