● The diagnostic item numbers show the sequence for inspection. Inspect in order from item 1. ● Overhaul and inspect inside the A/T only if A/T fluid condition is NG. Refer to AT-44, "A/T Fluid Con-
dition Check" .
No. Items Symptom Condition Diagnostic Item Reference
page 1 Shift Shock Large shock. (“N”→“D” position) Refer to AT-186, "Large Shock (“N” to “D” Position)" . ON vehicle
1. Engine idle speed
EC-1027 (for YD25DDTi engine), EC-65 (for VQ40DE engine type 1*) or EC-608 (for VQ40DE engine type 2*)
2. Engine speed signal AT-113
3. Accelerator pedal position sensor AT-121
4. Control cable adjustment AT-217
5. A/T fluid temperature sensor AT-124
6. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
7. CAN communication line AT-96
8. A/T fluid level and state AT-44
9. Line pressure test AT-45
10. Control valve with TCM AT-224
OFF vehicle
11. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
2
Shock is too large when changing D1
→D2 .
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
4. CAN communication line AT-96
5. Engine speed signal AT-113
6. Turbine revolution sensor AT-129
7. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
8. A/T fluid level and state AT-44
9. Control valve with TCM AT-224
D E F G H I J K L M A B AT 3 Shift Shock
Shock is too large when changing D2
→D3 .
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
4. CAN communication line AT-96
5. Engine speed signal AT-113
6. Turbine revolution sensor AT-129
7. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
8. A/T fluid level and state AT-44
9. Control valve with TCM AT-224
OFF vehicle 10. High and low reverse clutch AT-318
4
Shock is too large when changing D3
→D4 .
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. CAN communication line AT-96
5. Engine speed signal AT-113
6. Turbine revolution sensor AT-129
7. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
8. A/T fluid level and state AT-44
9. Control valve with TCM AT-224
OFF vehicle 10. Input clutch AT-306
5
Shock is too large when changing D4
→D5 .
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
4. CAN communication line AT-96
5. Engine speed signal AT-113
6. Turbine revolution sensor AT-129
7. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
8. A/T fluid level and state AT-44
9. Control valve with TCM AT-224
OFF vehicle 10. Front brake (brake band) AT-262
11. Input clutch AT-306
No. Items Symptom Condition Diagnostic Item Reference
6
Shift Shock
Shock is too large for downshift when accel- erator pedal is pressed.
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. CAN communication line AT-96
4. Engine speed signal AT-113
5. Turbine revolution sensor AT-129
6. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
7. A/T fluid level and state AT-44
8. Control valve with TCM AT-224
OFF vehicle
9. Front brake (brake band) AT-262
10. Input clutch AT-306
11. High and low reverse clutch AT-318
12. Direct clutch AT-320
7
Shock is too large for upshift when accelera- tor pedal is released.
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. Engine speed signal AT-113
4. CAN communication line AT-96
5. Turbine revolution sensor AT-129
6. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
7. A/T fluid level and state AT-44
8. Control valve with TCM AT-224
OFF vehicle
9. Front brake (brake band) AT-262
10. Input clutch AT-306
11. High and low reverse clutch AT-318
12. Direct clutch AT-320
8 Shock is too large for lock-up.
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. Engine speed signal AT-113
4. CAN communication line AT-96
5. Turbine revolution sensor AT-129
6. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
7. Torque converter clutch solenoid valve AT-115
8. A/T fluid level and state AT-44
9. Control valve with TCM AT-224
OFF vehicle 10. Torque converter AT-282
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 9 Shift Shock
Shock is too large dur- ing engine brake.
ON vehicle
1. Accelerator pedal position sensor AT-121
2. Control cable adjustment AT-217
3. CAN communication line AT-96
4. A/T fluid level and state AT-44
5. Control valve with TCM AT-224
OFF vehicle
6. Front brake (brake band) AT-262
7. Input clutch AT-306
8. High and low reverse clutch AT-318
9. Direct clutch AT-320
10
No Up Shift
Gear does not change from D1 →D2 . Refer to AT-194, "A/T Does Not Shift: D1→
D2" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
4. Line pressure test AT-45
5. CAN communication line AT-96
6. Control valve with TCM AT-224
OFF vehicle 7. Direct clutch AT-320
11
Gear does not change from D2 →D3 . Refer to AT-196, "A/T Does Not Shift: D2→
D3" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
4. Line pressure test AT-45
5. CAN communication line AT-96
6. Control valve with TCM AT-224
OFF vehicle 7. High and low reverse clutch AT-318
12
Gear does not change from D3 →D4 . Refer to AT-198, "A/T Does Not Shift: D3→
D4" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
5. Line pressure test AT-45
6. CAN communication line AT-96
7. Control valve with TCM AT-224
OFF vehicle 8. Input clutch AT-306
No. Items Symptom Condition Diagnostic Item Reference
13 No Up Shift
Gear does not change from D4 →D5 . Refer to AT-200, "A/T Does Not Shift: D4→
D5" .
ON vehicle
1. A/T fluid level and state AT-44
2. Overdrive control switch AT-178
3. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
4. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
5. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
6. Turbine revolution sensor AT-129
7. Line pressure test AT-45
8. CAN communication line AT-96
9. Control valve with TCM AT-224
OFF vehicle 10. Front brake (brake band) AT-282
11. Input clutch AT-306
14 No Down Shift In “D” position, does not downshift to 4th gear.
Refer to AT-206, "A/T Does Not Shift: 5th Gear → 4th Gear" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
4. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle 8. Front brake (brake band) AT-282
9. Input clutch AT-306
15
In “D” or “3” position, does not downshift to 3rd gear.
Refer to AT-208, "A/T Does Not Shift: 4th Gear → 3rd Gear" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle 8. Input clutch AT-306
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 16 No Down Shift In “D” or “2” position, does not downshift to 2nd gear.
Refer to AT-209, "A/T Does Not Shift: 3rd Gear → 2nd Gear" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
4. CAN communication line AT-96
5. Line pressure test AT-45
6. Control valve with TCM AT-224
OFF vehicle 7. High and low reverse clutch AT-318
17
In “D” or “1” position, does not downshift to 1st gear.
Refer to AT-210, "A/T Does Not Shift: 2nd Gear → 1st Gear" .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
4. CAN communication line AT-96
5. Line pressure test AT-45
6. Control valve with TCM AT-224
OFF vehicle 7. Direct clutch AT-320
18 Slips/Will Not Engage When “D” position, remains in 1st gear. ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. Direct clutch solenoid valve AT-148
4. Line pressure test AT-45
5. CAN communication line AT-96
6. Control valve with TCM AT-224
OFF vehicle
7. 3rd one-way clutch AT-304
8. 1st one-way clutch AT-312
9. Gear system AT-262
10. Reverse brake AT-282
11. Forward one-way clutch (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT- 13, "Cross-sectional View (YD25DDTi Models for 2WD)" , AT- 14, "Cross-sectional View (VQ40DE Models for 2WD)" , AT- 15, "Cross-sectional View (YD25DDTi Models for 4WD)" or
AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
12. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
No. Items Symptom Condition Diagnostic Item Reference
19 Slips/Will Not Engage When “D” position, remains in 2nd gear. ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. Low coast brake solenoid valve AT-158
4. Line pressure test AT-45
5. CAN communication line AT-96
6. Control valve with TCM AT-224
OFF vehicle
7. 3rd one-way clutch AT-304
8. Gear system AT-262
9. Direct clutch AT-320
10. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
20
When “D” position, remains in 3rd gear.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. Line pressure test AT-45
4. CAN communication line AT-96
5. Control valve with TCM AT-224
OFF vehicle
6. 3rd one-way clutch AT-304
7. Gear system AT-262
8. High and low reverse clutch AT-318
9. Forward one-way clutch (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT- 13, "Cross-sectional View (YD25DDTi Models for 2WD)" , AT- 14, "Cross-sectional View (VQ40DE Models for 2WD)" , AT- 15, "Cross-sectional View (YD25DDTi Models for 4WD)" or
AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
10. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 21 Slips/Will Not Engage When “D” position, remains in 4th gear. ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
5. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
6. Low coast brake solenoid valve AT-158
7. Front brake solenoid valve AT-143
8. Line pressure test AT-45
9. CAN communication line AT-96
10. Control valve with TCM AT-224
OFF vehicle
11. Input clutch AT-306
12. Gear system AT-262
13. High and low reverse clutch AT-318
14. Direct clutch AT-320
22 When “D” position, remains in 5th gear.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
4. Line pressure test AT-45
5. CAN communication line AT-96
6. Control valve with TCM AT-224
OFF vehicle
7. Front brake (brake band) AT-282
8. Input clutch AT-306
9. Gear system AT-262
10. High and low reverse clutch AT-318
No. Items Symptom Condition Diagnostic Item Reference
23 Slips/Will Not Engage Vehicle cannot be started from D1 . Refer to AT-192, "Vehi- cle Cannot Be Started from D1" .
ON vehicle
1. A/T fluid level and state AT-44
2. Accelerator pedal position sensor AT-121
3. Line pressure test AT-45
4. CAN communication line AT-96
5. Control valve with TCM AT-224
OFF vehicle
6. Torque converter AT-282
7. Oil pump assembly AT-301
8. 3rd one-way clutch AT-304
9. 1st one-way clutch AT-312
10. Gear system AT-262
11. Reverse brake AT-282
12. Forward one-way clutch (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT- 13, "Cross-sectional View (YD25DDTi Models for 2WD)" , AT- 14, "Cross-sectional View (VQ40DE Models for 2WD)" , AT- 15, "Cross-sectional View (YD25DDTi Models for 4WD)" or
AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
13. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
24
Does not lock-up. Refer to AT-202, "A/T Does Not Perform Lock-up" .
ON vehicle
1. A/T fluid level and state AT-44
2. Line pressure test AT-45
3. Engine speed signal AT-113
4. Turbine revolution sensor AT-129
5. Torque converter clutch solenoid valve AT-115
6. CAN communication line AT-96
7. Control valve with TCM AT-224
OFF vehicle 8. Torque converter AT-282
9. Oil pump assembly AT-301
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 25 Slips/Will Not Engage
Does not hold lock-up condition.
Refer to AT-203, "A/T Does Not Hold Lock- up Condition" .
ON vehicle
1. A/T fluid level and state AT-44
2. Line pressure test AT-45
3. Engine speed signal AT-113
4. Turbine revolution sensor AT-129
5. Torque converter clutch solenoid valve AT-115
6. CAN communication line AT-96
7. Control valve with TCM AT-224
OFF vehicle 8. Torque converter AT-282
9. Oil pump assembly AT-301
26 Lock-up is not released. Refer to AT-205, "Lock-up Is Not Released" . ON vehicle
1. A/T fluid level and state AT-44
2. Line pressure test AT-45
3. Engine speed signal AT-113
4. Turbine revolution sensor AT-129
5. Torque converter clutch solenoid valve AT-115
6. CAN communication line AT-96
7. Control valve with TCM AT-224
OFF vehicle 8. Torque converter AT-282
9. Oil pump assembly AT-301
27
No shock at all or the clutch slips when vehi- cle changes speed D1
→D2 .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
4. CAN communication line AT-96
5. Line pressure test AT-45
6. Control valve with TCM AT-224
OFF vehicle
7. Torque converter AT-282
8. Oil pump assembly AT-301
9. 3rd one-way clutch AT-304
10. Gear system AT-262
11. Direct clutch AT-320
12. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
No. Items Symptom Condition Diagnostic Item Reference
28
Slips/Will Not Engage
No shock at all or the clutch slips when vehi- cle changes speed D2
→D3 .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
4. CAN communication line AT-96
5. Line pressure test AT-45
6. Control valve with TCM AT-224
OFF vehicle
7. Torque converter AT-282
8. Oil pump assembly AT-301
9. 3rd one-way clutch AT-304
10. Gear system AT-262
11. High and low reverse clutch AT-318
12. Forward one-way clutch (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT- 13, "Cross-sectional View (YD25DDTi Models for 2WD)" , AT- 14, "Cross-sectional View (VQ40DE Models for 2WD)" , AT- 15, "Cross-sectional View (YD25DDTi Models for 4WD)" or
AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
13. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
29
No shock at all or the clutch slips when vehi- cle changes speed D3
→D4 .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle
8. Torque converter AT-282
9. Oil pump assembly AT-301
10. Input clutch AT-306
11. Gear system AT-262
12. High and low reverse clutch AT-318
13. Direct clutch AT-320
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 30 Slips/Will Not Engage
No shock at all or the clutch slips when vehi- cle changes speed D4
→D5 .
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
4. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle
8. Torque converter AT-282
9. Oil pump assembly AT-301
10. Front brake (brake band) AT-282
11. Input clutch AT-306
12. Gear system AT-262
13. High and low reverse clutch AT-318
31
When you press the accelerator pedal and shift speed D5 →D4 the engine idles or the A/T slips.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
4. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle
8. Torque converter AT-282
9. Oil pump assembly AT-301
10. Input clutch AT-306
11. Gear system AT-262
12. High and low reverse clutch AT-318
13. Direct clutch AT-320
No. Items Symptom Condition Diagnostic Item Reference
32
Slips/Will Not Engage
When you press the accelerator pedal and shift speed D4 →D3 the engine idles or the A/T slips.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 3 and input clutch solenoid valve AT-164,
AT-138
4. ATF pressure switch 1 and front brake solenoid valve AT-162,
AT-143
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle
8. Torque converter AT-282
9. Oil pump assembly AT-301
10. 3rd one-way clutch AT-304
11. Gear system AT-262
12. High and low reverse clutch AT-318
13. Forward one-way clutch (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT- 13, "Cross-sectional View (YD25DDTi Models for 2WD)" , AT- 14, "Cross-sectional View (VQ40DE Models for 2WD)" , AT- 15, "Cross-sectional View (YD25DDTi Models for 4WD)" or
AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
14. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
33
When you press the accelerator pedal and shift speed D3 →D2 the engine idles or the A/T slips.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-168,
AT-153
4. ATF pressure switch 5 and direct clutch solenoid valve AT-166,
AT-148
5. CAN communication line AT-96
6. Line pressure test AT-45
7. Control valve with TCM AT-224
OFF vehicle
8. Torque converter AT-282
9. Oil pump assembly AT-301
10. 3rd one-way clutch AT-304
11. Gear system AT-262
12. Direct clutch AT-320
13. Forward brake (Parts behind drum support is impossible to perform inspection by disassembly. Refer to AT-13, "Cross- sectional View (YD25DDTi Models for 2WD)" , AT-14, "Cross- sectional View (VQ40DE Models for 2WD)" , AT-15, "Cross- sectional View (YD25DDTi Models for 4WD)" or AT-16, "Cross-sectional View (VQ40DE Models for 4WD)" .)
AT-282
No. Items Symptom Condition Diagnostic Item Reference
D E F G H I J K L M A B AT 34 Slips/Will Not Engage
When you press the accelerator pedal and shift speed D2 →D1 the engine idles or the A/T slips.
ON vehicle
1. A/T fluid level and state AT-44
2. Vehicle speed sensor A/T and vehicle speed sensor MTR AT-108,
AT-131
3. ATF pressure switch 5 and direct clutch solenoid valve AT-166,