Overrunning clutch
Drive pinion
Crown gear
Axle shaft
Differential gear
Final gear
Seal pipe
Oil pump
High clutch
Band brake
Low & reverse clutch
Reverse clutch
One-way clutch (1-2)
One-way clutch (3-4)
Double oil seal
Input shaft
Output shaft
Planetary gear
Reduction gear
Drive plate
Torque converter one-way clutch
Lock-up facing
Lock-up damper
ATF deterioration
ATF level too high or too low
Differential gear oil level too high or too low
Engine performance
Engine speed signal
Parking brake mechanism
Problem parts
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 Symptom
XEngine brake is not effected when select
lever is in“3”or“2”range.
XEngine brake is not effected when select
lever is in“1”range.
Shift characteristics are erroneous.
X X No lock-up occurs.
Vehicle cannot be set in“D”range power
mode.
“D”range power mode cannot be released.
X Parking brake is not effected.
XShift lever cannot be moved or is hard to
move from“P”range.
Select lever is hard to move.
Select lever is too light to move (unreason-
able resistance).
X ATF spurts out.
X Differential oil spurts out.
X X Differential oil level changes excessively.
X XXXX X XOdor is produced from oil supply pipe.
XXXShock occurs when select lever is moved
from“1”to“2”range.
XSlippage occurs when select lever is moved
from“1”to“2”range.
XX X XShock occurs when select lever is moved
from“2”to“3”range.
XXSlippage occurs when select lever is moved
from“2”to“3”range.
XX XXShock occurs when select lever is moved
from“3”to“4”range.
XSlippage occurs when select lever is moved
from“3”to“4”range.
XX XShock occurs when select lever is moved
from“3”to“2”range.
XShock occurs when select lever is moved
from“D”to“1”range.
XXShock occurs when select lever is moved
from“2”to“1”range.
XXShock occurs when accelerator pedal is
released at medium speeds.
XXVibration occurs during straight-forward
operation.
Select lever slips out of position during
acceleration or while driving on rough terrain.
XVibration occurs during turns (tight corner
“braking”phenomenon).
Front wheel slippage occurs during standing
starts.
Vehicle is not set in FWD mode.
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
9. General Diagnostic Table
