Automatic Transmission/Transaxle: 5A-55
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 tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using scan tool.
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 in “D” range and lock-up ON for 20 seconds or longer referring to “Automatic Gear Shift
Tab l e : ” .
6) Drive vehicle with 2nd or 3rd gear in “D” range, 15 – 20% throttle opening and at vehicle speed of 40 km/h (25
mile/h).
7) Stop vehicle and turn ignition switch OFF.
8) Repeat Step 3) to 6) one time.
9) Stop vehicle.
10) Check DTC, pending DTC and freeze-frame data.
DTC Troubleshooting
DTC P0751 / P0752 Shift Solenoid-A Performance or Stuck OFF / Shift Solenoid-A Stuck ON
S5JB0A5104034
DTC Detecting Condition and Trouble Area
Table for detecting condition
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check: ”.
2 Check TCC pressure control solenoid valve for operation
referring to “Solenoid Valves (Shift Solenoid-A, Shift
Solenoid-B, TCC Pressure Control Solenoid and Pressure
Control Solenoid Inspection: ”.
Are they in good condition?
Clean fluid passage or
replace valve body
assembly.
Replace TCC pressure
control solenoid valve.
DTC Detecting Condition Trouble Area
DTC P0751:
When one of the following condition was detected while vehicle
running at 5 km/h (3.1 mile/h) or more in “D” range after engine
being warmed up.
• 4th gear ratio is detected although TCM command is for 1st
gear (See table below *1)
Or
• 3rd gear ratio is detected although TCM command is for 2nd
gear (See table below *2).
(2 driving cycle detection logic)
• Mechanical malfunction of shift solenoid valve–
A.
• Malfunction of valve body assembly.
• Fluid passage clogged or leaking.
• Mechanical malfunction of automatic
transmission (clutch, brake or gear etc).
DTC P0752:
2nd gear ratio is detected although TCM command is for 3rd gear
while vehicle running at 5 km/h (3.1 mile/h) or more in “D” range
after engine being warmed up.
(2 driving cycle detection logic)
TCM output gear position 1st 2nd 3rd 4th
Actual gear position Stuck OFF (DTC P0751) 4th *1 3rd *2 3rd 4th
Stuck ON (DTC P0752) 1st 2nd 2nd 4th
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