A/T Does Not Shift: D2->D3
10. A/T Does Not Shift: D2 -> D3SYMPTOM: A/T does not shift from D2 to D3 at the specified speed.
1. CHECK SYMPTOM
Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" Vehicle Does Not Creep Forward In D, 2 or 1 Position and "8. Vehicle Cannot Be Started From D1" Vehicle Cannot Be Started From D1 OK?
Yes or No?
Yes >> GO TO 2.
No >> Go to "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" Vehicle Does Not Creep Forward In D, 2 or 1 Position and "8. Vehicle Cannot Be Started From D1" Vehicle Cannot Be Started From D1.
2. CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does "TCM INPUT SIGNALS" in Data Monitor show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Yes or No?
Yes >> Check PNP switch circuit. Refer to "P0720; Diagnostic Procedure". P0720
No >> GO TO 3.
3. CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to "DTC P0121 TP SENSOR P0121.
OK or NG?
OK >> GO TO 4.
NG >>Repair or replace throttle position sensor.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG?
OK >> GO TO 5.
NG >> GO TO 7.
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
2. Check the following items:
- Shift valve B
- Shift solenoid valve B
- Pilot valve
- Pilot filter
OK or NG?
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. CHECK SYMPTOM
Check again.
OK or NG?
OK >> INSPECTION END.
NG >>
1. Perform TCM input/output signal inspection Pinout Values and Diagnostic Parameters.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
7. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
2. Check the following items:
- Shift valve B
- Shift solenoid valve B
- Pilot valve
- Pilot filter
3. Disassemble A/T.
4. Check the following items:
- Servo piston assembly
- High clutch assembly
- Oil pump assembly
OK or NG?
OK >> GO TO 6.
NG >> Repair or replace damaged parts.