TROUBLE DIAGNOSIS
AT-81
D
E
F
G
H
I
J
K
L
M
A
B
AT
61
Others
Engine brake does
not work M3
→
M2.
ON vehicle
1. PNP switch
AT-107
2. A/T fluid level and state
AT-51
3. A/T position
AT-218
4. Manual mode switch
AT-161
5. ATF pressure switch 6
AT-171
6. CAN communication line
AT-99
7. Control valve with TCM
AT-225
OFF vehicle
8. Front brake (brake band)
AT-261
9. Input clutch
AT-282
10. High and low reverse clutch
AT-292
62
Engine brake does
not work M2
→
M1.
ON vehicle
1. PNP switch
AT-107
2. A/T fluid level and state
AT-51
3. A/T position
AT-218
4. Manual mode switch
AT-161
5. ATF pressure switch 5
AT-169
6. CAN communication line
AT-99
7. Control valve with TCM
AT-225
OFF vehicle
8. Input clutch
AT-282
9. High and low reverse clutch
AT-292
10. Direct clutch
AT-294
63
Maximum speed low.
ON vehicle
1. A/T fluid level and state
AT-51
2. Line pressure test
AT-53
3. Accelerator pedal position sensor
AT-126
4. CAN communication line
AT-99
5. Direct clutch solenoid valve
AT-149
6. Control valve with TCM
AT-225
OFF vehicle
7. Torque converter
AT-261
8. Oil pump assembly
AT-277
9. Input clutch
AT-282
10. Gear system
AT-253
11. High and low reverse clutch
AT-292
12. Direct clutch
AT-294
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "Cross-Sectional View"
.
AT-249
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT-17,
"Cross-Sectional View"
.
AT-249
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page