Suzuki 2006 SX4, Service Manual

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5A-48 Automatic Transmission/Transaxle:
DTC Troubleshooting
DTC P0756 / P0757: Shift Solenoid “B” Performance or Stuck OFF / Shift Solenoid “B” Stuck ON
S6RW0C5104027
DTC Detecting Condition and Trouble Area
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 turned OFF.
2) Clear DTC.
3) Start engine and it up to normal operating temperature.
4) Shift select lever to “D” range and hold it for 20 seconds or longer.
5) Drive vehicle and increase vehicle speed to 40 km/h (25 mile/h) or more for longer than 15 seconds.
6) Stop vehicle and turn ignition switch to OFF position.
7) Repeat Step 3) to 6).
8) Check DTC, pending DTC and freeze frame data.
DTC Troubleshooting
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check shift solenoid valve – A (No. 1)
1) Check shift solenoid valve – A (No. 1) for operation
referring to “Solenoid Valves (Shift Solenoid Valves and
TCC Solenoid Valve) Inspection”.
Is it in good condition?
Clean fluid passage or
replace valve body
assembly. Replace shift solenoid
valve – A (No. 1).
DTC detecting condition Trouble area
DTC P0756:
Actual gear position is different from commanded gear position of
TCM (Shift solenoid valve – B does not turn ON).
(2 driving cycle detection logic)
DTC P0757:
Actual gear position is different from commanded gear position of
TCM (Shift solenoid valve – B does not turn OFF).
(2 driving cycle detection logic)
• Mechanical malfunction of shift solenoid valve
– B (No. 2).
• Malfunction of valve body assembly.
• Fluid passage clogged or leaking.
• Mechanical malfunction of transaxle.
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check shift solenoid valve – B (No. 2)
1) Check shift solenoid valve – B (No. 2) for operation
referring to “Solenoid Valves (Shift Solenoid Valves and
TCC Solenoid Valve) Inspection”.
Is it in good condition?
Clean fluid passage or
replace valve body
assembly. Replace shift solenoid
valve – B (No. 2).