Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-41
No Gear Shift to 4th gearS7RS0B5104019
System Description
TCM does not shift to 4th gear under any of the following condition.
• “3” position switch is turned ON.
• Engine coolant temperature is less than 50 °C (122 °F).
• A/T fluid temperature is less than 20 °C (68 °F).
• A/T fluid temperature is more than 130 °C (266 °F) while TCM is detecting P2762, P2763 and P2764.
• TCM detects the following DTCs. P0712 / P0713 / P0717 / P0722 / P0787 / P0788 / P0961 / P0962 / P0963 / P0973 / P0974 / P0976 / P0977 / P1702
/ P1703 / P1774 / P1777
Troubleshooting
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.
Non operate TCC (lock-
up) system Faulty torque converter
Replace.
Excessive “N”
→ “D” time
lag Faulty oil pump
Inspect. If NG, replace.
Faulty forward clutch Inspect. If NG, replace.
Faulty one-way No.2 clutch Inspect. If NG, replace.
Leakage from “D” range fluid pressure
circuit Replace valve body assembly.
Excessive “N”
→ “R” time
lag Faulty oil pump
Inspect. If NG, replace.
Faulty reverse clutch Inspect. If NG, replace.
Faulty 1st and reverse brake Inspect. If NG, replace.
Leakage from “R” range fluid pressure
circuit Replace valve body assembly.
Poor engine brake in
downshift to “2” range Faulty O/D and 2nd coast brake
Inspect. If NG, replace.
Poor engine brake in
downshift to “L” range Faulty 1st and reverse brake
Inspect. If NG, replace.
Condition Possible cause Correction / Reference Item
Step
Action YesNo
1 Was “A/T System Check” performed? Go to Step 2.Go to “A/T System
Check”.
2 Check DTC
Is DTC P0712, P0713, P0717, P0722, P0961, P0962,
P0963, P0973, P0974, P0976, P0977, P1702, P1703,
P1774 and/or P1777 detected? Go to applicable DTC
diag. flow.
Go to Step 3.
Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-97
Installation1) Apply A/T fluid to input shaft speed sensor O-ring.
2) Install input shaft speed se nsor (1) to A/T case and
tighten bolt to specified torque.
Tightening torque
Input shaft speed sensor bolt (a): 5.5 N·m (0.55
kgf-m, 4.0 lb-ft)
3) Connect input shaft speed sensor connector (2) to input shaft speed sensor (1).
4) Connect negative cable to battery.
Input Shaft Speed Sensor InspectionS7RS0B5106019
1) Disconnect negative cable at battery.
2) Disconnect input shaft speed sensor connector (2).
3) Check resistance between input shaft speed sensor (1) terminals.
Input shaft speed sensor resistance
Standard: 560 – 680 Ω at 20 °C (68 °F)
Transmission Fluid Temperature Sensor
Removal and Installation
S7RS0B5106020
Removal
1) Disconnect negative cable at battery.
2) Lift up vehicle.
3) With engine is cool, remove drain plug and drain A/T fluid.
4) Install drain plug. Refer to “A/T Fluid Change”.
5) Remove A/T oil pan.
6) Remove oil stra iner assembly. 7) Remove valve body assembly referring to
“Automatic Transaxl e Unit Disassembly”.
CAUTION!
When pulling solenoid wire harness out of
transaxle case, take care not to damage
transmission fluid temperature sensor at
narrow exit of case.
Careless sensor treatment might cause
sensor malfunction.
8) Remove solenoid wire harness (1).
Installation
Reverse removal procedure to install solenoid wire
harness and valve body assembly noting the following
points.
• For details of valve body assembly and their connectors installation, refer to “Automatic Transaxle
Unit Assembly”.
• For details of A/T oil pa n installation, refer to
“Automatic Transaxle Unit Assembly”. Use new oil
pan gasket.
• Tighten valve body harness connector bolt to specified torque.
Tightening torque
Valve body harness connector bolt (a): 7.0 N·m (
0.7 kgf-m, 5.0 lb-ft)
• Pour A/T fluid and check fluid level according to procedure described in “A/T Fluid Change”.
• Check for fluid leakage after warming up A/T.
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Downloaded from www.Manualslib.com manuals search engine 5A-98 Automatic Transmission/Transaxle:
Transmission Fluid Temperature Sensor
Inspection
S7RS0B5106021
Warm up transmission fluid temperature sensor (2).
Check resistance between terminals of valve body
harness connector (1). Thus make sure its resistance
decrease as its temperature increase.
Transmission fluid temperature sensor resistance
10 °C (50 °F): 5.8 – 7.1 k Ω
110 °C (230 °F): 231 – 263 Ω
145 °C (293 °F): 105 – 117 Ω
Solenoid Valves (Shift Solenoid Valves and
Timing Solenoid Valve) Removal and
Installation
S7RS0B5106022
Removal
1) Disconnect negative cable at battery.
2) Lift up vehicle.
3) Remove drain plug and drain A/T fluid.
4) Install drain plug.
Tightening torque
A/T fluid drain plug: 17 N· m (1.7 kgf-m, 12.5 lb-ft)
5) Remove A/T oil pan (1) and oil pan gasket (2).
6) Remove oil strain er assembly (3). 7) Remove transmission fluid temperature sensor (1)
from sensor clamp.
8) Disconnect solenoid connectors (2).
9) Remove shift solenoid va lve-A (No.1) (1), shift
solenoid valve-B (No.2) (2) and timing solenoid valve
(3) by removing bolts.
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Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-99
Installation1) Install shift solenoid valve- A (No.1) (1), shift solenoid
valve-B (No.2) (2) and timing solenoid valve (3).
Tightening torque
Shift solenoid bolt (a): 11 N·m (1.1 kgf-m, 8.0 lb-
ft)
2) Connect solenoid connectors identifying their installing positions by wire color.
3) Install transmission fluid sensor (6) and sensor wire to clamp. 4) Install oil strain
er assembly (1).
Tightening torque
Oil strainer bolt (a): 10 N·m (1.0 kgf-m, 7.5 lb-ft)
5) Install new oil pan gasket (1) and oil pan (2).
6) Tighten oil pan bolts to specified torque diagonally and little by little.
Tightening torque
Oil pan bolt (b): 7.0 N·m (0.7 kgf-m, 5.0 lb-ft)
Solenoid Valves (Shift Solenoid Valves, and
Timing Solenoid Valve) Inspection
S7RS0B5106023
Resistance Check
Check shift solenoid valves and timing solenoid valve.
Shift solenoid valves and timing solenoid valve
resistance
Standard: 11 – 15 Ω at 20 °C (68 ° F)
Solenoid coupler Wire color
Shift solenoid valv e-A (No.1) (2) White
Shift solenoid valv e-B (No.2) (3) Black
Timing solenoid valve (1) Yellow
TCC pressure control solenoid
valve (4) Light green / Brown
Pressure control solenoid valve (5) Green / Gray
1 2
3
(a)
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Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-101
Pressure Control Solenoid Valves (Pressure
Control Solenoid and TCC Pressure Control
Solenoid) Removal and Installation
S7RS0B5106024
Removal1) Disconnect negative cable at battery.
2) Lift up vehicle.
3) Remove drain plug and drain A/T fluid.
4) Install drain plug.
Tightening torque
A/T fluid drain plug: 17 N·m (1.7 kgf-m, 12.5 lb-ft)
5) Remove A/T oil pan (1) and oil pan gasket (2).
6) Remove oil strain er assembly (3).
7) Remove transmission fluid temperature sensor (1) from sensor clamp.
8) Disconnect solenoid connectors (2). 9) Remove valve body assembly referring to
“Automatic Transaxl e Unit Disassembly”.
10) Remove pressure control solenoid valve and TCC pressure control solenoid valve referring to “Valve
Body Assembly Disassembly and Reassembly”.
Installation
Reverse removal procedure to install pressure control
solenoid valve and valve body assembly noting the
following points.
• For detail of pressure control solenoid valve and TCC pressure control solenoid va lve installation, refer to
“Valve Body Assembly Disassembly and
Reassembly”.
• For detail of valve body asse mbly installation, refer to
“Automatic Transaxle Unit Assembly”.
• For detail of installing wire harness for solenoid valves and sensor, refer to “Automatic Transaxle Unit
Assembly”. Use new O-rings.
• For detail of A/T oil pan and oil strainer assembly
installation, refer to “A utomatic Transaxle Unit
Assembly”. Use new oil pan gasket.
• Pour A/T fluid and check fluid level according to procedure described in “A/T Fluid Change”.
• Check for fluid leakage after warming up A/T.
Pressure Control Solenoid Valve InspectionS7RS0B5106025
CAUTION!
• Be very careful as dust etc. does enter when pressure control solenoid valves are
inspected.
Resistance Check
Measure resistance between pressure control solenoid
valves (Pressure control solenoid and TCC pressure
control solenoid) (1) terminals.
Pressure control solenoid valve and TCC pressure
control solenoid valve resistance
Standard: 5.0 – 5.6 Ω at 20 °C (68 °F)
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Downloaded from www.Manualslib.com manuals search engine A u to m a tic Tra n s m is s io n /Tra n s a x le : 5 A -1 0 9
1. Torque converter37. Transmission range sensor 73. Rear planetary sun gear subassembly
2. Torque converter housing : Apply sealant 99000-31230 to mating
surface to transaxle case. 38. Cooler check valve
74. Rear sun gear thrust bearing race
3. Oil strainer assembly : Replace oil strainer when overhauling. 39. Spring
75. Rear sun gear thrust bearing
4. Parking lock pawl shaft 40. Transaxle case plug 76. Forward clutch hub
5. Parking lock pawl 41. Fluid filler tube 77. Intermediate shaft thrust bearing race
6. Parking lock pawl return spring 42. Fluid level gauge 78. Intermediate shaft thrust bearing
7. Parking lock pawl rod 43. Fluid cooler inlet pipe 79. 2nd brake piston snap ring
8. Parking lock pawl bracket 44. Fluid cooler outlet pipe 80. O/D and 2nd coast brake retaining
plate snap ring
9. Manual detent spring 45. 2nd brake gasket 81. O/D and 2nd coast brake retaining
plate
10. Manual valve lever 46. Brake drum gasket 82. O/D and 2nd coast brake disc
11. Manual valve lever pin 47. Pipe union 83. O/D and 2nd coast brake separator
plate
12. Manual shift shaft 48. Reduction drive gear nut
: After tightening nut so as rotational
torque of reduction drive gear to be in
specified value, caulk nut securely. 84. O/D and 2nd coast brake rear plate
13. Manual shift shaft oil seal : Apply grease 99000-25030 to oil seal
lip. 49. Reduction drive gear
85. Rear cover seal ring
14. Differential side oil seal : Apply grease 99000-25030 to oil seal
lip. 50. Planetary ring gear subassembly
86. Reverse clutch drum thrust bearing
15. Torque converter housing plug 51. Breather hose 87. Rear cover plug
16. Lubrication LH tube 52. Breather union 88. Transaxle rear cover
: Apply sealant 99000-31230 to mating
surface.
17. Lubrication RH tube 53. Input shaft speed sensor 89. Harness bracket
18. Fluid reservoir RH plate 54. Valve body harness 90. Select cable clamp
19. Input shaft front thrust bearing 55. 1st and reverse brake piston 91. Governor apply No.1 gasket
20. Input shaft rear thrust bearing 56. O-ring 92. Output shaft speed sensor
21. Input shaft rear thrust bearing race 57. 1st and reverse brake return spring
subassembly 93. One-way clutch outer race retainer
22. Direct clutch hub 58. 1st and reverse brake disc : Do not reuse.
23. Lubrication tube clamp 59. 1st and reverse brake separator plate : Apply automatic transaxle fluid.
24. Fluid reservoir LH plate 60. 1st and reverse brake retaining plate : 10 N⋅m (1.0 kgf-m, 7.5 lb-ft)
25. Governor apply No.2 gasket 61. 1st and reverse brake snap ring : 23 N⋅m (2.3 kgf-m, 17 lb-ft)
26. Automatic transaxle case 62. Planetary gear assembly : 25 N⋅m (2.5 kgf-m, 18 lb-ft)
27. Accumulator piston O-ring 63. Planetary carrier thrust washer
: Apply grease 99000-25030 to slide
contact face. : 7.5 N
⋅m (0.75 kgf-m, 5.5 lb-ft)
28. Accumulator spring 64. One-way clutch No.2 assembly : 11 N⋅m (1.1 kgf-m, 8.0 lb-ft)
29. C2 accumulator piston 65. 2nd brake retaining plate : 5.5 N⋅m (0.55 kgf-m, 4.0 lb-ft)
30. C1 accumulator piston 66. 2nd brake disc : 13 N⋅m (1.3 kgf-m, 9.5 lb-ft)
31. B1 accumulator piston 67. 2nd brake separator plate : 22 N⋅m (2.2 kgf-m, 16 lb-ft)
32. Oil pan gasket 68. 2nd brake return spring subassembly : 7 N⋅m (0.7 kgf-m, 5.0 lb-ft)
33. Oil pan 69. Front sun gear thrust bearing race : 17 N⋅m (1.7 kgf-m,12.5 lb-ft)
34. A/T fluid drain plug 70. Front planetary sun gear : 29 N⋅m (2.9 kgf-m, 21 lb-ft)
35. Manual select lever 71. Planetary gear thrust bearing
36. Lock washer 72. One-way clutch No.1 assembly
Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-111
8) Remove fluid cooler pipes (1) and pipe union (2).
9) Remove fluid level gauge (3) and fluid filler tube (4).
10) Remove oil pan (1) and oil pan gasket (2).
NOTE
• For removal of oil pan, do not turn transaxle over as this will contaminate
valve body with foreign materials in
bottom of oil pan.
• When removing oil pan, tap around it lightly with plastic ha mmer. Do not force it
off by using screwdriver or the like.
11) Remove oil strain er assembly (1). 12) Disconnect connectors (2) from solenoid valves and
transmission fluid temperature sensor (1).
13) Remove valve body assembly bolts.
CAUTION!
Be careful not to let manual valve fall off
when removing valve body assembly.
NOTE
There are five kinds of bolts (bolts A (1), B (2),
C (3), D (4) and E (5)) fixing valve body
assembly.
14) Remove manual valve rod (1) from manual valve lever (2), then remove valve body assembly (3).
1 2
4
3
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Downloaded from www.Manualslib.com manuals search engine 5A-120 Automatic Transmission/Transaxle:
67) Screwing 3 bolts (1), remove reduction drive gear (2).
CAUTION!
Screw 3 bolts into reduction drive gear
uniformly, or reduction drive gear, bearing
and transaxle case may be damaged.
Bolt length
35 mm (1.38 in.)
68) Blowing compressed air from oil hole (1) of oil pump,
remove 1st and reverse brake piston (2). 69) Remove parking lock pawl bracket (1).
70) With slotted screwdriver, cut and unfold manual
valve lever spacer (1) and proceed to remove
manual valve lever spacer.
71) Using spring pin remover with 3.5 mm (0.14 in.) in diameter and hammer, drive out manual valve lever
pin (1).
72) Remove manual shift shaft (2).
73) Remove parking lock pawl rod (2) from manual valve lever (1).
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