FixVault

Judgment Of Stall Test

Selector lever position

Possible location of malfunction

"D" and "M"

"R"

Stall speed

H

O

  • Low brake
  • 1st one-way clutch
  • 2nd one-way clutch

O

H

  • Reverse brake
  • 1st one-way clutch
  • 2nd one-way clutch

L

L

  • Engine and torque converter one-way clutch

H

H

  • Line pressure low

O: Stall speed within standard value position

H: Stall speed higher than standard value

L: Stall speed lower than standard value

Stall test standard value position

Does not shift-up "D" or "M" position 1 -> 2

Slipping in 2GR, 3GR, 4GR or 6GR

2346 brake slippage

Does not shift-up "D" or "M" position 2 -> 3

Slipping in 3GR, 4GR or 5GR

Direct clutch slippage

Does not shift-up "D" or "M" position 3 -> 4

Slipping in 4GR, 5GR, 6GR or 7GR

High and low reverse clutch slippage

Does not shift-up "D" or "M" position 4 -> 5

Slipping in 5GR, 6GR or 7GR

Input clutch slippage

Does not shift-up "D" or "M" position 5 -> 6

Slipping in 2GR, 3GR, 4GR or 6GR

2346 brake slippage

Does not shift-up "D" or "M" position 6 -> 7

Slipping in 7GR

Front brake slippage