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. CHECK SYMPTOM
Check symptom. Refer to AT-53, "Check at Idle". Road Test
Is "Vehicle Dose Not Creep Backward in "R" Position" OK?
OK >> GO TO 2.
NG >> Go to AT-181, "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-73, "CONSULT-III Function (A/T)" or AT-78, "Diagnosis Procedure without CONSULT-III".
Consult-III Function (A/T)
Diagnosis Procedure Without Consult-III
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT-73, "CONSULT-III Function (A/T)" or AT-78, "Diagnosis Procedure without CONSULT-III".
Consult-III Function (A/T)
Diagnosis Procedure Without Consult-III
NO >> GO TO 3.

3. CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. Refer to EC-493. Testing and Inspection
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position sensor.

4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in "D" position. Refer to AT-48, "Inspections Before Trouble Diagnosis". Inspections Before Trouble Diagnosis
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.

5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
2. Check the following items:
- Shift valve A
- Shift valve B
- Shift solenoid valve A
- Shift solenoid valve B
- Pilot valve
- Pilot filter
3. Disassemble A/T.
4. Check the following items:
- Forward clutch assembly.
- Low one-way clutch.
- Forward one-way clutch.
- High clutch assembly.
- Torque converter.
- Oil pump assembly.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

6. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition. Refer to AT-48, "Inspections Before Trouble Diagnosis". Inspections Before Trouble Diagnosis
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.

7. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
2. Check the following items:
- Shift valve A
- Shift valve B
- Shift solenoid valve A
- Shift solenoid valve B
- Pilot valve
- Pilot filter
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damage parts.

8. CHECK SYMPTOM
Check again. Refer to AT-55, "Cruise Test - Part 1". Road Test
OK or NG
OK >> INSPECTION END
NG >> GO TO 9.

9. CHECK TCM
1. Check TCM input/output signals. Refer to AT-71, "TCM Terminal and Reference Value". RE4F03B 4 Speed Automatic Transmission
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.