A/T Does Not Shift: 3rd Gear -> 2nd Gear

A/T Does Not Shift: 3rd gear -> 2nd gear

SYMPTOM: When shifted from 3 to 2 position, does not downshift from 3rd to 2nd gears.

DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer to AT-90, SELF-DIAGNOSTIC RESULT MODE. Self-Diagnostic Result Mode
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system.
NO >> GO TO 2.

2. CHECK A/T FLUID LEVEL
Check the A/T fluid level.
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.

3. CHECK CONTROL CABLE
Check the control cable.
OK or NG
OK >> GO TO 4.
NG >> Adjust control cable.

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 8.

5. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts.
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 >> GO TO 7.

7. PERFORM TCM INSPECTION
1. Perform TCM input/output signals inspection. Refer to AT-86, TCM Input/Output Signal Reference Values. Pinout Values and Diagnostic Parameters
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.

8. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.