Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 636
7A1–44 AUTOMATIC TRANSMISSION (4L30-E)
Line Pressure and Force Motor Current
KPa (kg/cm
2
/ PSI)
4. Start the engine and allow it to idle until the engine
coolant temperature reaches 70 - 80
°
C (158- 176
°
F).
5. Hold the brake pedal down as far as it will go.
6.
Place the selector in the “D” range.
7. Note the pressure gauge reading with the engine
idling.
8. Gradually push the accelerator pedal to the floor. The
throttle valve will be fully open.
Note the pressure gauge reading with the accelerator
pedal fully depressed.
NOTE:
Do not continuously run this test longer than 5
seconds.
9. Release the accelerator pedal.
10. Place the selector in the “N” range.
11. Run the engine at 1,200 rpm for one minute.
This will cool the transmission fluid.
12. Repeat Steps 7 - 11 for the “3”, “2”, “L”, and “R”
ranges.
13. Install a pressure detection plug to the transmission
case, applying recommended thread locking agent
(LOCTITE 242) or its equivalent to thread of plug.
Make sure that thread is cleaned before applying
locking agents.
14. Tighten the pressure detection plug to the specified
torque.
Pressure Detection Plug Torque
N·m (kg·m / lb·ft)
9 – 14 (0.9 – 1.4 / 7 – 10)
LEVER
ENGINE
FORCE
MODE
LINE PRESSURE
MOTOR
POSITION
SPEED
CURRENT
NORMAL/POWER
D, 3, 2, L
IDLE
312 – 363 (3.2 – 3.7 / 45.2 – 52.6)
VARIABLE
NORMAL/POWER
REVERSE
IDLE
419 – 486 (4.3 – 5.0 / 60.7 – 70.5)
0.9 – 1.0A
NORMAL/POWER
D, 3, 2, L
STALL SPEED
1236 – 1320 (12.6 – 13.5 / 179.3 – 191.4)
0.1 – 0.2A
NORMAL/POWER
REVERSE
STALL SPEED
1634 – 1743 (16.7 – 17.8 / 236.9 – 252.8)
0.1 – 0.2A
AUTOMATIC TRANSMISSION (4L30-E) 7A1–45
SHIFT SPEED CHART
Transfer gear ratio: High: 1.000
(
Rear axle ratio: 4.555
)
“Normal mode”
Downshift
Km/h (mph)
Upshift
Km/h (mph)
Range
Throttle opening
1
→
2
2
→
3
3
→
4
(First Gear) (Second Gear) (Second Gear) (Third Gear) (Third Gear) (Fourth Gear)
D
Fully opened
41 ~ 47 (25 ~ 29)
84 ~ 90 (52 ~ 56)
127 ~ 133 (79 ~ 83)
(Drive)
Half throttle
33 ~ 39 (20 ~ 24)
60 ~ 66 (37 ~ 41)
117 ~ 123 (73 ~ 76)
3
Fully opened
49 ~ 55 (30 ~ 34)
99 ~ 105 (62 ~ 66)
–
(Third)
Half throttle
32 ~ 38 (20 ~ 24)
58 ~ 64 (36 ~ 40)
–
2
Fully opened
49 ~ 55 (30 ~ 34)
–
–
(Second)
Half throttle
32 ~ 38 (20 ~ 24)
–
–
Range
Throttle opening
1
←
2
2
←
3
3
←
4
(First Gear) (Second Gear) (Second Gear) (Third Gear) (Third Gear) (Fourth Gear)
D
Fully opened
16 ~ 22 (10 ~ 14)
62 ~ 68 (39 ~ 42)
104 ~ 110 (65 ~ 68)
(Drive)
Half throttle
15 ~ 21 (9 ~ 13)
34 ~ 40 (21 ~ 25)
67 ~ 73 (42 ~ 46)
Fully closed
14 ~ 20 (9 ~ 12)
21 ~ 27 (13 ~ 17)
29 ~ 35 (18 ~ 22)
3
Fully opened
39 ~ 45 (24 ~ 28)
87 ~ 93 (54 ~ 58)
–
(Third)
Half throttle
15 ~ 21 (9 ~ 13)
34 ~ 40 (21 ~ 25)
–
Fully closed
13 ~ 19 (8 ~ 12)
15 ~ 21 (9 ~ 13)
–
2
Fully opened
40 ~ 46 (25 ~ 29)
94 ~ 100 (59 ~ 63)
–
(Second)
Half throttle
15 ~ 21 (9 ~ 13)
94 ~ 100 (59 ~ 63)
–
Fully closed
13 ~ 19 (8 ~ 12)
82 ~ 88 (51 ~ 55)
–
L
–
50 ~ 56 (31 ~ 35)
–
–
(First)
7A1–46 AUTOMATIC TRANSMISSION (4L30-E)
“Power mode”
Upshift
Km/h (mph)
Downshift
Km/h (mph)
Range
Throttle opening
1
→
2
2
→
3
3
→
4
(First Gear) (Second Gear) (Second Gear) (Third Gear) (Third Gear) (Fourth Gear)
D
Fully opened
49 ~ 55 (30 ~ 34)
99 ~ 105 (62 ~ 66)
169 ~ 175 (105 ~ 109)
(Drive)
Half throttle
37 ~ 43 (23 ~ 27)
74 ~ 80 (46 ~ 50)
124 ~ 130 (77 ~ 81)
3
Fully opened
49 ~ 55 (30 ~ 34)
99 ~ 105 (62 ~ 66)
–
(Thire)
Half throttle
37 ~ 43 (23 ~ 27)
74 ~ 80 (46 ~ 50)
–
2
Fully opened
49 ~ 55 (30 ~ 34)
–
–
(Second)
Half throttle
37 ~ 43 (23 ~ 27)
–
–
Range
Throttle opening
1
←
2
2
←
3
3
←
4
(First Gear) (Second Gear) (Second Gear) (Third Gear) (Third Gear) (Fourth Gear)
D
Fully opened
40 ~ 46 (25 ~ 29)
90 ~ 96 (56 ~ 60)
160 ~ 166 (100 ~ 104)
(Drive)
Half throttle
21 ~ 27 (13 ~ 17)
53 ~ 59 (33 ~ 37)
98 ~ 104 (61 ~ 65)
Fully closed
13 ~ 19 (8 ~ 12)
24 ~ 30 (15 ~ 19)
46 ~ 52 (29 ~ 32)
3
Fully opened
40 ~ 46 (25 ~ 29)
90 ~ 96 (56 ~ 60)
–
(Third)
Half throttle
21 ~ 27 (13 ~ 17)
53 ~ 59 (33 ~ 37)
–
Fully closed
13 ~ 19 (8 ~ 12)
24 ~ 30 (15 ~ 19)
–
2
Fully opened
40 ~ 46 (25 ~ 29)
94 ~ 100 (59 ~ 63)
–
(Second)
Half throttle
21 ~ 27 (13 ~ 17)
94 ~ 100 (59 ~ 63)
–
Fully closed
13 ~ 19 (8 ~ 12)
82 ~ 88 (51 ~ 55)
–
L
–
50 ~ 56 (31 ~ 35)
–
–
(First)
LOCK-UP SPEED CHART
Transfer gear ratio: High: 1.000
(
Rear axle ratio: 4.555
)
Km/h (mph)
Mode
Lock-Up ON
Lock-Up OFF
2nd
3rd
4th
2nd
3rd
4th
Normal
75 ~ 81
55 ~ 61
67 ~ 73
70 ~ 76
47 ~ 53
62 ~ 68
(47 ~ 50 )
(34 ~ 38)
(42 ~ 45)
(43 ~ 47)
(29 ~ 33)
(39 ~ 42)
Power
72 ~ 78
77 ~ 83
77 ~ 83
67 ~ 73
68 ~ 74
72 ~ 78
(45 ~ 48 )
(48 ~ 52)
(48 ~ 52)
(42 ~ 45)
(42 ~ 46)
(45 ~ 48)
D range
Throttle
opening
9%
AUTOMATIC TRANSMISSION (4L30-E) 7A1–47
ELECTRONIC DIAGNOSIS
HOW TO DIAGNOSE THE PROBLEM
1.
To avoid incorrect diagnostics: this book needs to be
followed accurately. Unless stated: do not jump
directly to a section that could contain the solution:
some important information may be missed.
2.
The sections in CAPITALS and bold are the main
sections that can be found in the contents.
3.
The GOTO “SECTION” means to continue to check
going to the “section”.
4.
The GOTHROUGH “SECTION” means to go through
the “section” and then to go back to the place the
GOTHROUGH was written.
5.
BASIC ELECTRIC CIRCUITS:
You should understand the basic theory of electricity.
This will include the meaning of voltage, amps,
ohms, and what happens in a circuit with an open or
shorted wire. You should also be able to read and
understand wiring diagrams.
6.
IGNITION CYCLE:
When the car is driven a malfunction can occur due to
a car wiring harness problem, in this case the driver
can reset the system (as on a personal computer). To
reset the computer he must:
(1) Stop the car and the engine.
(2) Turn the key ignition OFF.
(3) Turn the key ignition ON.
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