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Home >> Infiniti >> 2020 >> QX50 Essential, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Symptom Diagnosis >> CVT Control System >> Symptom Table >> Symptom Table 2

Symptom Table 2

Symptom

Torque converter

Transmission range switch

Oil pump

Forward clutch

Reverse brake

Planetary gear

Bearings

Parking mechanism

Electric shift selector

Exploded View 

Exploded View 

Removal and Installation 

Shift Shock

Large shock (N-> D position)

2

1

3

Large shock (N-> R position)

2

1

3

Shock is too large for lock-up.

1

Slips/Will Not Engage

Vehicle cannot be started from D position.

3

1

2

Vehicle cannot be started from R position.

4

1

2

3

Does not lock-up.

1

3

2

Does not hold lock-up condition.

1

3

2

Lock-up is not released.

1

2

When shifted to D position, acceleration is extremely poor.

1

3

2

When shifted to R position, acceleration is extremely poor.

1

4

2

3

Slips at lock-up.

1

2

Other

No creep at all.

1

6

2

4

5

3

Vehicle cannot run in all positions.

1

2

4

5

3

6

When shifted to D position, driving is not possible.

1

2

4

3

5

When shifted to R position, driving is not possible.

1

2

4

3

5

Judder occurs during lock-up.

1

Strange noise in D position.

1

2

4

3

5

Strange noise in R position.

1

2

4

3

Strange noise in N position.

1

2

3

Maximum speed low.

1

5

2

4

3

When shifted to P position, vehicle does not enter parking condition or, with shifted to another position, parking condition is not cancelled.

1

Vehicle runs with CVT in P position.

2

1

Vehicle runs with CVT in N position.

2

3

1

Engine stall.

1

Engine stalls when shifted to N -> D or R.

1

Does not shift

1