Isuzu Trooper (1998-2002 year). Manual — part 719
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–73
Check circuit
Terminal
Measuring condition
Voltage (V)
+
-
Winter lamp
C79-12
C78-15
or -19
Winter lamp ON
Less than 1
Winter lamp OFF
8
∼
16
Solenoid S1
C78-4
C78-15
or -19
OFF (3rd or O/D)
Less than 1
ON (1st or 2nd)
8
∼
16
Solenoid S2
C78-3
C78-15
or -19
OFF (1st or O/D)
Less than 1
ON (2nd or 3rd)
8
∼
16
Lock up solenoid SL
C78-12
C78-15
or -19
OFF (Lock up OFF)
Less than 1
ON (Lock up ON)
8
∼
16
Pressure control solenoid
C78-11
C78-8
At throttle pressure changing
Less than
1
⇔
8-16
Oil temperature sensor
C79-18
C79-27
ATF temperature 20
°
C
4.70
ATF temperature 80
°
C
3.65
Tech 2 diagnosis terminal
(J1850)
C78-6
C78-15
or -19
On diagnosis communication
0-1.5
⇔
6.25-8.0
Throttle position sensor
(ground)
C79-19
C78-15
or -19
Key switch ON
-0.1
∼
0.1
7A–74
AUTOMATIC TRANSMISSION (AW30-40LE)
MEMO
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–75
ON-VEHICLE SERVICE
242RX00001
TRANSIMISSION FLUID LEVEL AND
CONDITION
Park vehicle on level ground and set parking brake.
With the engine idling, move the shift lever through all
positions from "P" to "L", then return to position "P".
Check to see If the level of fluid comes to "HOT" range
of about 80
°
C (176
°
F) on the dipstick gauge.
If the level of fluid is too low, replenish to bring it to
maximum level in "HOT" range.
Inspection of fluid condition
If the ATF is black or smells burnt, replace it.
ATF REPLACEMENT
NOTE:
Do not overfill.
1) Remove the drain plug from oil pan and drain the
fluid.
2) Reinstall the drain plug securely.
3) With the engine OFF, add new fluid through the filler
tube.
4) Start the engine and shift the selector into all
position from "P" through "L", and then shift into "P".
5) With the engine idling, check the fluid level. Add fluid
up to the "COLD" level on the dipstick.
6) The ATF level must be checked again for correct
level with the "HOT" level.
NOTE:
To prevent fluid leaks, the drain plug gasket must be
replaced each time this plug is removed.
Transmission
Drain and refill
5.2 L
Dry fill
8.7 L
Fluid
BESCO ATF III
7A–76
AUTOMATIC TRANSMISSION (AW30-40LE)
249RY00010
249RY00008
NEUTRAL START SWITCH INSPECTION
Inspection
With a circuit tester, make a continuity test on the neutral start
switch with the moving piece set in each position.
❍
❍
Continuity
Removal
Preparation:
Disconnect negative (–) battery cable.
1. Remove rear sound cover.
2. Remove the rear side ATF cooler pipe from the
transmission elbow.
3. Disconnect neutral start switch connector.
4. Unstake the lock washer, and then remove the shaft nut.
5. Remove the neutral start switch.
Installation
To install, follow the removal steps in the reverse order, noting
the following points;
Adjustment
1) Loosen the neutral start switch bolt and set the shift
selector to the "N" range.
2) Align the groove and neutral basic line.
3) Hold in position and tighten the bolt.
Terminal
Position
1
4
3
5
2
6
8
7
9
P
❍
❍
❍
❍
R
❍
❍
N
❍
❍
❍
❍
D
❍
❍
2
❍
❍
L
❍
❍
Torque
N·m (kg·cm/lb·in)
Nut
7 (70/61)
Bolt
13 (130/113)
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