A/T Does Not Shift: D2 -> D3
A/T Does Not Shift: D2 -> D3SYMPTOM:
The vehicle does not shift up from D2 to D3 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CHECK SYMPTOM
Check if vehicle creeps forward in D position and vehicle can be started from D1.
OK or NG
OK >> GO TO 2.
NG >> Refer to Vehicle Does Not Creep Forward In D Position, Vehicle Cannot Be Started From D1.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to SELF-DIAGNOSTIC RESULT MODE, With Manufacturer's Scan Tool and Without Scan Tool
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to SELF-DIAGNOSTIC RESULT MODE, Judgement Self-Diagnosis Code.
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to Checking A/T Fluid.
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to LINE PRESSURE TEST.
OK or NG
OK >> GO TO 7.
NG 1 >> Line pressure high. GO TO 5.
NG 2 >> Line pressure low. GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to Control Valve with TCM and A/T Fluid Temperature Sensor 2.
2. Disassemble A/T. Refer to DISASSEMBLY.
3. Check the following.
^ Oil pump assembly. Refer to Oil Pump.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to Control Valve with TCM and A/T Fluid Temperature Sensor 2.
2. Disassemble A/T. Refer to DISASSEMBLY.
3. Check the following.
^ Oil pump assembly. Refer to Oil Pump.
^ Power train system. Refer to DISASSEMBLY.
^ Transmission case. Refer to DISASSEMBLY.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to Control Valve with TCM and A/T Fluid Temperature Sensor 2.
2. Check A/T fluid condition. Refer to Fluid Condition Check.
OK or NG
OK >> GO TO 8.
NG >> GO TO 11.
8. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to Symptom Chart (Symptom No.11).
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9. CHECK SYMPTOM
Check again. Refer to Cruise Test Part 1, Cruise Test Part 2.
OK or NG
OK >> INSPECTION END
NG >> GO TO 10.
10. CHECK TCM
1. Check TCM input/output signals. Refer to TCM Input/Output Signal Reference Values.
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.
11. DETECT MALFUNCTIONING ITEM
^ Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to Symptom Chart (Symptom No.11).
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.