Isuzu N-Series. Service manual — part 944
7B-12 Automatic Transmission (Smoother)
Selector Lever
Components
Disassembly
1. Remove the selector lever knob.
2. Remove the selector lever cover.
• Remove the fours screws that secure the
selector lever cover in place, and remove the
selector lever cover.
3. Remove the switch cover from the selector lever
cover.
4. Remove the emergency shift switch, emergency
switch, and mode switch from the selector lever
cover.
Assembly
1. Install the mode switch, emergency switch, and
emergency shift switch on the selector lever cover.
2. Install the switch cover on the selector lever cover.
3. Install the selector lever cover.
• Install the selector lever cover and secure it
with the four selector lever cover screws.
4. Install the selector lever knob.
Legend
1. Selector Lever Knob
5. Selector Lever Cover
2. Emergency Shift Switch
6. Emergency Switch
3. Selector Lever Assembly
7. Mode Switch (Economy, 1st Gear Start)
4. Switch Cover
N7A1012E
Automatic Transmission (Smoother) 7B-13
Vehicle Speed Sensor
Removal
1. Remove the clip (1) and remove the protector (2).
2. Disconnect the wire connector.
3. Remove the fixing screw and then remove the
vehicle speed sensor (3).
Installation
1. Use the fixing screw to install the vehicle speed
sensor.
Fixing screw
Tighten:
20 N
⋅m (2.0 kg⋅m / 14.8 lb⋅ft)
Bushing — Vehicle speed sensor
Tighten:
25 N
⋅m (2.5 kg⋅m / 18.4 lb⋅ft)
2. Connect the wire connector.
3. Secure the protector with the clip.
Legend
1. Plug Sensor
2. Vehicle Speed Sensor
3. Plate
4. Bush
5. O-ring
6. Driven Gear
N7A1013E
N7A1014E
7B-14 Automatic Transmission (Smoother)
Gear Shift Position Sensor
Removal
1. Connector
2. Remove the gear shift position sensor.
Inspection
Connect the gear shift position sensor terminal 3
(SFT.VCC) to 5 V and terminal 1 (SFT.GND) to ground.
Record the voltage between terminals 2 (SFT.SIG) and
1 (SFT.GND) while rotating the sensor arm.
Replace if the voltage does not vary from approximately
0.1 to 4.8 V.
Installation
1. Apply Besco chassis grease to the sensor shaft tip
and the sliding portion of the gearshift control box
shaft tip groove, and install.
2. Install the gear shift position sensor.
a. Aligning the angle of the sensor arm tip with
connector part groove, carefully insert the gear
shift position sensor.
b. Install the gear shift position sensor using the
bolt.
Tighten:
9 N
⋅m (0.9 kg⋅m / 6.6 lb⋅ft)
N7A1015E
Legend
1. Gear Shift Position Sensor Terminal 1
(SFT.GND)
2. Gear Shift Position Sensor Terminal 2
(SFT.SIG)
3. Gear Shift Position Sensor Terminal 3
(SFT.VCC)
N7A1016E
Automatic Transmission (Smoother) 7B-15
N7A1015E
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