Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1774

DIAGNOSIS 7A2-147

5. R range test.

1)

Shift into the R range and while starting at full throttle,

check for slipping.

6.P range test.

1)

Stop the vehicle on a grade and after shifting into the P

range, release the parking brake. Then check to see that

the parking lock pawl holds the vehicle in place.

Select

Lever

Position

Gear

Position

Gear

Shift

P

R

Reverse

N

D

1st

2nd

3rd

4th

3

1st

2nd

3rd

4th(*1)

2

1st

2nd

3rd(*1)

4th(*1)

L

1st

2nd(*1)

3rd(*1)

4th(*1)

Evaluation

1.

If there is no 1 to 2 up-shift.

•

2-4 brake malfunction.

•

2-4 brake hydraulic circuit failed.

•

2-4 brake duty solenoid stick.

Refer to symptom diagnosis "No. D1: Faulty Gear

Shifting" or DTC section "Gear Ratio Error".

2.

If there is no 2 to 3 up-shift.

•

High clutch malfunction.

•

High clutch hydraulic circuit failed.

•

High clutch duty solenoid stick.

Refer to symptom diagnosis "No. D1: Faulty Gear

Shifting" or DTC section "Gear Ratio Error".

3.

If there is no 2 to 4 (O/D) up-shift.

•

2-4 brake malfunction.

•

2-4 brake hydraulic circuit failed.

•

2-4 brake duty solenoid stick.

Refer to symptom diagnosis "No. D1: Faulty Gear

Shifting" or DTC section "Gear Ratio Error".

4.

If there is no lock-up in 2, 3 and 4.

•

Lock-up piston malfunction.

•

Lock-up hydraulic circuit failed.

•

Lock-up duty solenoid stick.

Refer to symptom diagnosis "No. I1: No Lock-up" or

DTC section "Lock-up Duty Solenoid Failure".

*1: Transmission is shifted at high speed to
prevent engine over-run.

DIAGNOSIS 7A2-148

5. If there is no reverse.

•

Reverse clutch malfunction.

•

Reverse clutch hydraulic circuit failed.

•

Low & reverse brake hydraulic circuit failed.

•

Low & reverse brake duty solenoid stick.

Refer to symptom diagnosis "No. A2: Vehicle Dose Not

Run in R Range" or DTC section "Low & Reverse

Brake Duty Solenoid Failure".

6.

If there is no parking.

•

Parking pawl malfunction.

Refer to symptom diagnosis "No. G1: Vehicle Moves in

P Range or Parking Gear in Not Disengaged other

than P Range".

NOTE:

The check for the cause of abnormal noise and vibration
must be made with extreme care as it could also be due to
loss of balance in propeller shaft, differential, the torque
converter, etc. Or insufficient bending, rigidity, etc. in the
powertran.

DIAGNOSIS 7A2-149

SHIFT POINT CHART

D Range

Normal Mode

Power Mode

4L Mode

Gear Throttle

Position

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

1

→

2

50% 25 - 31 27 - 33

930 29 - 35 31 - 37

1054 28 - 34 30 - 36

1023

100% 36 - 42 37 - 43

1271 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

2

→

3

50% 46 - 52 49 - 55

1612 55 - 61 58 - 64

1891 52 - 58 55 - 61

1798

100% 75 - 81 79 - 85

2542 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

3

→

4

50% 80 - 86 84 - 90

2697 83 - 89 88 - 94

2821 80 - 86 84 - 90

2697

100% 118 - 124 125 - 131

3967 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

4

→

3

0% 27 - 33 29 - 35

992 27 - 33 29 - 35

992 27 - 33 29 - 35

992

50% 52 - 58 55 - 61

1798 70 - 76 74 - 80

2387 67 - 73 71 - 77

2294

100% 102 - 108 108 - 114

3440 102 - 108 108 - 114

3440 93 - 99 98 - 104

3130

3

→

2

0%

6 - 12

6 - 12

279

6 - 12

6 - 12

279

6 - 12

6 - 12

279

50% 28 - 34 30 - 36

1023 44 - 50 47 - 53

1550 43 - 49 46 - 52

1488

100% 61 - 67 64 - 70

2077 61 - 67 64 - 70

2077 56 - 62 59 - 65

1922

2

→

1

0%

6 - 12

6 - 12

279

6 - 12

6 - 12

279

6 - 12

6 - 12

279

50%

9 - 15 10 - 16

403 18 - 24 19 - 25

682 17 - 23 18 - 24

651

100% 27 - 33 29 - 35

992 27 - 33 29 - 35

992 25 - 31 27 - 36

930

Axle Gear Ratio

4.300

4.300

4.300

4.300

4.300

4.300

Tire Radius

0.349

0.368

0.349

0.368

0.349

0.368

3 Range

Normal Mode

Power Mode

4L Mode

Gear Throttle

Position

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

1

→

2

50% 25 - 31 27 - 33

930 29 - 35 31 - 37

1054 28 - 34 30 - 36

1023

100% 36 - 42 38 - 44

1271 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

2

→

3

50% 46 - 52 49 - 55

1612 55 - 61 58 - 64

1891 52 - 58 55 - 61

1798

100% 75 - 81 79 - 85

2542 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

4

→

3

0% 118 - 124 125 - 131

3967 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

50% 118 - 124 125 - 131

3967 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

100% 118 - 124 125 - 131

3967 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

3

→

2

0%

6 - 12

6 - 12

279

6 - 12

6 - 12

279

6 - 12

6 - 12

279

50% 28 - 34 30 - 36

1023 44 - 50 47 - 53

1550 43 - 49 45 - 51

1488

100% 61 - 67 64 - 70

2077 61 - 67 64 - 70

2077 57 - 63 59 - 65

1922

2

→

1

0%

6 - 12

6 - 12

279

6 - 12

6 - 12

279

6 - 12

6 - 12

279

50%

9 - 15 10 - 16

403 18 - 24 19 - 25

682 17 - 23 18 - 24

651

100% 27 - 33 29 - 35

992 27 - 33 29 - 35

992 25 - 31 27 - 33

930

Axle Gear Ratio

4.300

4.300

4.300

4.300

4.300

4.300

Tire Radius

0.349

0.368

0.349

0.368

0.349

0.368

DIAGNOSIS 7A2-150

2 Range

Normal Mode

4L Mode

Gear Throttle

Position

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

1

→

2

50% 25 - 31 27 - 33

930 28 - 34 30 - 36

1023

100% 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

4

→

3

0% 119 - 125 125 - 131

3967 107 - 113 113 - 119

3595

50% 119 - 125 125 - 131

3967 107 - 113 113 - 119

3595

100% 119 - 125 125 - 131

3967 107 - 113 113 - 119

3595

3

→

2

0% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

50% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

100% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

2

→

1

0%

6 - 12

6 - 12

279

6 - 12

6 - 12

279

50%

9 - 15 10 - 16

403 17 - 23 18 - 24

651

100% 27 - 33 29 - 35

992 25 - 31 27 - 33

930

Axle Gear Ratio

4.300

4.300

4.300

4.300

Tire Radius

0.349

0.368

0.349

0.368

L Range

Normal Mode

4L Mode

Gear Throttle

Position

Velocity (km/h)

Output Shaft

Speed (rpm)

Velocity (km/h)

Output Shaft

Speed (rpm)

4

→

3

0% 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

50% 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

100% 118 - 124 125 - 131

3967 107 - 113 113 - 119

3595

3

→

2

0% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

50% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

100% 75 - 81 79 - 85

2542 67 - 73 71 - 77

2294

2

→

1

0% 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

50% 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

100% 36 - 42 38 - 44

1271 32 - 38 34 - 40

1147

Axle Gear Ratio

4.300

4.300

4.300

4.300

Tire Radius

0.349

0.368

0.349

0.368