A/T Does Not Shift: D1 -> D2

A/T Does Not Shift: D1 -> D2

SYMPTOM: The vehicle does not shift-up from the D1 to D2 gear at the specified speed.

DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creeps forward in D position and vehicle can be started from D1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT-199, Vehicle Does Not Creep Forward in D Position. Vehicle Does Not Creep Forward In D Position
Refer to AT-201, "Vehicle Cannot Be Started From D1". Vehicle Cannot Be Started From D1
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-92, SELF-DIAGNOSTIC RESULT MODE. Self-Diagnostic Result Mode
Refer to AT-102, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)". TCM Self-Diagnostic Procedure (No Tools)
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system.
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL





Check A/T fluid level.
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE





Check line pressure at the engine stall point.
OK or NG
OK >> GO TO 7.
NG-1 >> Line pressure high: GO TO 5.
NG-2 >> Line pressure low: GO TO 6.
5. 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 7.
NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM.
2. Disassemble A/T.
3. Check the following.
- Oil pump assembly.
- Power train system.
- Transmission case.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK A/T FLUID CONDITION
1. Remove oil pan.





2. Check A/T fluid condition.
OK or NG
OK >> GO TO 8.
NG >> GO TO 11.
8. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >> GO TO 10.
10. CHECK TCM
1. Check TCM input/output signals.
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.
11. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.