TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
M
A
B
AT
While starting off by
accelerating in 1st,
engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
AT-51
2. Line pressure test
AT-52
3. Accelerator pedal position sensor
AT-144
4. CAN communication line
AT-99
5. Control valve assembly
AT-289
OFF vehicle
6. Torque converter (ATF condition “NG” only. Refer to
AT-51, "Fluid con-
dition check"
.)
AT-307
7. Oil pump assembly (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-321
8. 3rd one-way clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-323
9. 1st one-way clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-331
10. Gear system (ATF condition “NG” only. Refer to
AT-51, "Fluid condi-
tion check"
.)
AT-299
11. Reverse brake (ATF condition “NG” only. Refer to
AT-51, "Fluid condi-
tion check"
.)
AT-307
12. Forward one-way clutch* (ATF condition “NG” only. Refer to
AT-51,
"Fluid condition check"
.)
AT-307
13. Forward brake* (ATF condition “NG” only. Refer to
AT-51, "Fluid con-
dition check"
.)
AT-307
While accelerating
in 2nd, engine
races or slippage
occurs.
ON vehicle
1. Fluid level and state
AT-51
2. Line pressure test
AT-52
3. Accelerator pedal position sensor
AT-144
4. CAN communication line
AT-99
5. ATF pressure switch 5 and direct clutch solenoid valve
AT-227
,
AT-188
6. Control valve assembly
AT-289
OFF vehicle
7. Torque converter (ATF condition “NG” only. Refer to
AT-51, "Fluid con-
dition check"
.)
AT-307
8. Oil pump assembly (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-321
9. 3rd one-way clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-323
10. Gear system (ATF condition “NG” only. Refer to
AT-51, "Fluid condi-
tion check"
.)
AT-299
11. Direct clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid condi-
tion check"
.)
AT-337
12. Forward brake* (ATF condition “NG” only. Refer to
AT-51, "Fluid con-
dition check"
.)
AT-307
Symptom
Condition
Diagnostic Item
Reference page