NO.1 VEHICLE DOES NOT MOVE IN D RANGE, OR IN R POSITION [AW6A-EL, AW6AX-EL]SM2445394
NO.1 VEHICLE DOES NOT MOVE IN D RANGE, OR IN R POSITION [AW6A-EL, AW6AX-EL]

id050310800600

1
Vehicle does not move in D range, or in R position
DESCRIPTION
• Vehicle does not move when accelerator pedal is depressed.
POSSIBLE CAUSE
• If the vehicle does not move in D range or R position, basically, the malfunction is in the ATX. (Vehicle will move even with a malfunction in the TCM.) Since a malfunction is in the sensor circuit or output circuit is the cause of the malfunction in the ATX, inspect the sensors, output circuit, and the related wiring harnesses.
― Clutch slippage, worn (D range-C1 clutch, One-way clutch, R position-C3 clutch, B2 brake)
• Line pressure low
• Shift solenoid C malfunction
• Shift solenoid D malfunction
• Shift solenoid E malfunction
• Line pressure control solenoid malfunction
• Shift solenoid F malfunction
• Sensor GND malfunction
• Body GND malfunction
• Coupler component malfunction
• Control valve body malfunction
― Selector lever malfunction
― Parking mechanism not operating properly
― Torque converter malfunction
― Neutral position learning is not performed
Note
• Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted. (See BASIC INSPECTION [AW6A-EL, AW6AX-EL].)

Diagnostic procedure

STEP

INSPECTION

ACTION

1
• When the vehicle is stopped on a flat, level road and the engine off, does the vehicle move when pushed? (in D range or N, R positions with the brake pedal released)
Yes
Go to the next step.
No
Inspect for parking mechanism.
2
• Start the engine.
• Does vehicle move when selector lever in between N position and D range?
Yes
Inspect or adjust selector lever.
Perform neutral position learning.
No
Go to the next step.
3
• Stop the engine.
• Inspect following solenoids. (See SOLENOID VALVE INSPECTION [AW6A-EL, AW6AX-EL].)
― Shift solenoid C
― Shift solenoid D
― Shift solenoid E
― Shift solenoid F
― Line pressure control solenoid
• Are these normal?
Yes
Go to the next step.
No
Inspect the coupler component.
If normal, replace the control valve body.
4
• Perform the stall test. (See MECHANICAL SYSTEM TEST [AW6A-EL, AW6AX-EL].)
• Is the stall speed below specified value?
Yes
Overhaul the transaxle and repair or replace any malfunctioning parts. (clutch slippage, worn)
(See Automatic Transaxle and Transfer Workshop Manual AW6A-EL AW6AX-EL.)
No
Replace the torque converter.
5
• Verify test results.
― If normal, return to the diagnostic index to service any additional symptoms.
― If malfunction remains, inspect the related Service Information and perform repair or diagnosis.
• If the vehicle is repaired, troubleshooting completed.
• If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.