A/T Does Not Shift D2 To D3

TROUBLE DIAGNOSIS FOR SYMPTOMS


A/T Does Not Shift: D2 to D3


SYMPTOM:
A/T does not shift from D2 to D3 at the specified speed on "Cruise Test -- Part 1" and "Cruise Test -Part 2".

DIAGNOSTIC PROCEDURE
1.CHECK SYMPTOM
Check symptom. Check At Idle and Cruise Test - Part 1 .
Are "Vehicle Does Not Creep Forward in "D", "2" or "1" Position" and "Vehicle Cannot Be Started from D1" OK?
YES - GO TO 2.
NO - Go to Vehicle Does Not Creep Forward In "D", "2" Or "1" Position and Vehicle Cannot Be Started From D1.
2. CHECK A/T POSITION
Check A/T position. Testing and Inspection .
OK or NG
OK - GO TO 3.
NG - Adjust A/T position. Adjustments .
3.CHECK OUTPUT SPEED SENSOR AND VEHICLE SPEED SIGNAL CIRCUIT
Check output speed sensor and vehicle speed signal circuit. AT AT AT AT AT and Description CONSULT-III Reference Value In Data Monitor Mode On Board Diagnosis Logic Possible Cause DTC Confirmation Procedure .
OK or NG
OK - GO TO 4.
NG - Repair or replace output speed sensor and vehicle speed signal circuits.
4.CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. P2138 (HR16DE), P2138 (MR18DE).
OK or NG
OK - GO TO 5.
NG - Repair or replace accelerator pedal position sensor.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Component .
2. Check A/T fluid condition. Inspections Before Trouble Diagnosis .
OK or NG
OK - GO TO 7.
NG - GO TO 6.
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Service and Repair .
2. Check the following items:
- Shift valve B
- Shift solenoid valve B
- Pilot valve
- Pilot filter
3. Disassemble A/T. Disassembly .
4. Check the following items:
- Servo piston assembly
- High clutch assembly. High Clutch .
- Oil pump assembly. Oil Pump .
OK or NG
OK - GO TO 8.
NG - Repair or replace damaged parts.
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Service and Repair .
2. Check the following items:
- Shift valve B
- Shift solenoid valve B
- Pilot valve
- Pilot filter
OK or NG
OK - GO TO 8.
NG - Repair or replace damaged parts.
8.CHECK SYMPTOM
Check again. Cruise Test - Part 1 and Cruise Test - Part 2 .
OK or NG
OK - INSPECTION END
NG - GO TO 9.
9.CHECK TCM
1. Check TCM input/output signal. TCM Terminal And Reference Value .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK - INSPECTION END
NG - Repair or replace damaged parts.