Vehicle Cannot Be Started From D1

8. Vehicle Cannot Be Started From D1
SYMPTOM:
Vehicle cannot be started from D1 on Cruise test-Part 1.

1. CHECK SYMPTOM
Is "6. Vehicle Does Not Creep Backward In R Position" OK?
Yes or No
Yes >>GO TO 2.
No >> Go to "6. Vehicle Does Not Creep Backward In R Position".

2. CHECK SELF-DIAGNOSTIC RESULTS





Does self-diagnosis show damage to vehicle speed sensor A/T (revolution sensor), shift solenoid valve A, B or vehicle speed sensor MTR after cruise test?
Yes or No
Yes>> Check damaged circuit. Refer to "DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)", "DTC P0750 SHIFT SOLENOID VALVE A", "DTC P0755 SHIFT SOLENOID VALVE B" or "DTC VEHICLE SPEED SENSOR MTR".
No>> GO TO 3.

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]





Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to "DTC P0122, P0123 TP SENSOR" and "DTC P2122, P2123 APP SENSOR" with QR25DE), "DTC P0122, P0123 TP SENSOR" and "DTC P2122, P2123 APP SENSOR" with VQ35DE). P0122
OK or NG
OK >> GO TO 4.
NG >> Repair or replace throttle position sensor [accelerator pedal position (APP) sensor].

4. CHECK LINE PRESSURE





Check line pressure at stall point with selector lever in D position. Line Pressure Test
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
- Forward one-way clutch
- Low 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.
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.
OK or NG
OK >> INSPECTION END
NG >> GO TO 9.

9. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
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.