Vehicle Does Not Decelerate By Engine Brake

TROUBLE DIAGNOSIS FOR SYMPTOMS

Vehicle Does Not Decelerate by Engine Brake


SYMPTOM:

Engine brake does not operate when releasing the accelerator pedal while the cruise test.

DIAGNOSTIC PROCEDURE


1. CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis check. CVT Trouble Diagnosis.
Is any malfunction detected by self-diagnosis?
YES- Check the malfunctioning system. CVT Trouble Diagnosis.
NO- GO TO 2.

2. CHECK CVT POSITION

Check CVT position. Testing and Inspection.
OK or NG
OK- GO TO 3.
NG- Adjust CVT position. Shift Control System.

3. CHECK CVT FLUID LEVEL

Check CVT fluid level. Procedures.
OK or NG
OK- GO TO 4.
NG- Refill CVT fluid.

4. CHECK LINE PRESSURE

Check line pressure at idle. CVT Trouble Diagnosis.
OK or NG
OK - GO TO 5.
NG- Check the malfunctioning item. CVT Trouble Diagnosis.

5. CHECK SYMPTOM

Check again. CVT Trouble Diagnosis.
OK or NG
OK-INSPECTION END
NG- GO TO 6.

6. CHECK TCM

1.Check TCM input/output signals. CVT Trouble Diagnosis.
2.If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK - Replace the transaxle assembly. Removal And Installation
(MR-20DE), Removal And Installation (QR-25DE).
NG- Repair or replace damaged parts.