Vehicle Cannot Be Started From D1

Vehicle Cannot Be Started From D1

SYMPTOM: Vehicle cannot be started from D1 on cruise test - Part 1.

DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creeps in R position.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT-189, Vehicle Does Not Creep Backward In R Position. Vehicle Does Not Creep Backward In R Position

2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-90, SELF-DIAGNOSTIC RESULT MODE. Self-Diagnostic Result Mode
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system.
NO >> GO TO 3.

3. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position (APP) sensor.

4. CHECK A/T FLUID LEVEL
Check A/T fluid level.
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.

5. CHECK LINE PRESSURE
Check line pressure at the engine stall point.
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high. GO TO 6.
NG - 2 >> Line pressure low. GO TO 7.

6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM.
2. Disassemble A/T.
3. Check the following.
- Oil pump assembly.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

7. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM.
2. Disassemble A/T.
3. Check the following.
- Oil pump assembly.
- Powertrain system.
- Transmission case.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

8. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 9.
NG >> GO TO 12.

9. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.

10. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >> GO TO 11.

11. PERFORM TCM INSPECTION
1. Perform TCM input/output signals inspection. Refer to AT-86, TCM Input/Output Signal Reference Values. Pinout Values and Diagnostic Parameters
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.

12. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.