Suzuki SWIFT RS415 2017, Руководство по обслуживанию

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Automatic Transmission: 5A-53
DTC P0741 / P0742: TCC Circuit Performance or Stuck OFF / TCC Circuit Stuck ON
S4RS0A5104027
DTC Detecting Condition and Trouble Area
DTC P0741
DTC P0742
DTC Confirmation Procedure
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.
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine and warm it up to normal operating temperature.
4) Shift select lever to “N” and “D” range for each 10 seconds.
5) Drive vehicle with 4th gear in “D” range and lock-up ON for 20 seconds or longer referring to “Automatic Gear Shift
Table: ”.
6) Shift select lever to “3” range.
7) Drive vehicle with 2nd or 3rd gear in “3” range, 15 – 20% throttle opening and at vehicle speed of 25 – 40 km/h (16
– 25 mile/h).
8) Stop vehicle and turn ignition switch OFF.
9) Repeat Step 3) to 7) one time.
10) Stop vehicle and check DTC.
DTC Troubleshooting
DTC detecting condition Trouble area
When driving vehicle with 3rd or 4th gear in “D” range,
difference in revolution between engine and A/T input (input
shaft speed) is larger than specification although TCM
commanded TCC solenoid to turn ON. • Mechanical malfunction of TCC solenoid valve
• Malfunction of valve body assembly
• Fluid passage clogged or leaking
• Torque converter clutch malfunction
DTC detecting condition Trouble area
When driving vehicle with 2nd, 3rd or 4th gear in “D” range,
difference in revolution between engine and A/T input (input
shaft speed) is smaller than specification although TCM
commanded TCC solenoid to turn OFF. • Mechanical malfunction of TCC solenoid valve
• Malfunction of valve body assembly
• Fluid passage clogged or leaking
• Torque converter clutch malfunction
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check: ”.
2 1) Check TCC solenoid valve for operation referring to
“Solenoid Valves (Shift Solenoid Valves, and Timing
Solenoid Valve) Inspection: ”.
Are they in good condition?
Clean fluid passage or
replace valve body
assembly. Replace TCC solenoid
valve.