Suzuki SWIFT RS415 2017, Руководство по обслуживанию

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Automatic Transmission: 5A-41
No Gear Shift to 4th gear
S4RS0A5104019
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
q
C (122
q
F).
• A/T fluid temperature is less than 20
q
C (68
q
F).
• A/T fluid temperature is more than 130
q
C (266
q
F) while TCM is detecting P2763 and P2764.
• TCM detects the following DTCs.
P0712 / P0713 / P0717 / P0722 / P0787 / P0788 / 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.
Poor 2
o
1 shift,
excessive shock or
slippage
Faulty 2nd brake Inspect. If NG, replace.
Faulty one-way No.2 clutch Inspect. If NG, replace.
Non operate TCC (lock-
up) system Faulty torque converter Replace.
Excessive “N”
o
“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 Overhaul or replace valve body assembly.
Excessive “N”
o
“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 Overhaul or 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 Yes No
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, P0785, P0962,
P0963, P0973, P0974, P0976, P0977, P1702, P1703,
P1774 and/or P1777 detected?
Perform DTC flow to
repair and retry. Go to Step 3.