A/T Does Not Shift D Does Not Kickdown

TROUBLE DIAGNOSIS FOR SYMPTOMS

A/T Does Not Shift: D Door Does Not Kickdown: D D


SYMPTOM:

-A/T does not shift from D1 to D2 at the specified speed on "Cruise Test - Part 1".
-A/T does not shift from D4 to D2 when depressing accelerator pedal fully at the specified speed on
"Cruise Test - Part 2".

DIAGNOSTIC PROCEDURE


1. CHECK SYMPTOM

Check symptom . Automatic Transmission and Automatic Transmission .
Are "Vehicle Dose Not Creep Forward in "D", "2" or "1" Position" and "Vehicle Cannot Be Started from D1" OK?
YES- GO TO 2.
NO- Go to D", "2" or "1" Position" and {LINK_TO:0000000007329447}, "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. Refer to {LINK_TO_MANY:0000000007329322}{LINK_TO_MANY:0000000007329323}{LINK_TO_MANY:0000000007329324}{LINK_TO_MANY:0000000007329325}{LINK_TO_MANY:0000000007329326} and {LINK_TO_MANY:0000000007329403}{LINK_TO_MANY:0000000007329404}{LINK_TO_MANY:0000000007329405}{LINK_TO_MANY:0000000007329406}{LINK_TO_MANY:0000000007329407} .
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. P2122.
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. Automatic Transmission .
OK or NG
OK- GO TO 7.
NG- GO TO 6.

6. DETECT MALFUNCTIONING ITEM

1.Remove control valve. Service and Repair .
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. Disassembly .
4.Check the following items:
-Servo piston assembly
-Brake band
OK or NG
OK- GO TO 8.
NG- Repair or replace damaged parts.

7. DETECT MALFUNCTIONING ITEM

1.Remove control valve. Service and Repair .
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 damaged parts.

8. CHECK SYMPTOM

Check again. Automatic Transmission and Automatic Transmission .
OK or NG
OK-INSPECTION END
NG- GO TO 9.

9. CHECK TCM

1.Check TCM input/output signals. 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.