Isuzu N-Series. Manual — part 945
7B-16 Automatic Transmission (Smoother)
Gear Select Position Sensor
Removal
1. Connector
2. Remove the gear select position sensor.
Inspection
Connect the gear select position sensor terminal 3
(SEL.VCC) to 5 V and terminal 1 (SEL.GND) to ground.
Record the voltage between terminals 2 (SEL.SIG) and
1 (SEL.GND) while rotating the sensor arm.
Replace if the voltage does not vary from approximate
0.1 to 4.8 V.
Installation
1. Confirm there is an O-ring on the case side, apply
Besco chassis grease to the sliding portion of the
sensor shaft tip and install.
2. Install the gear select position sensor.
a. Aligning the angle of the sensor arm tip with the
connector part groove, carefully insert the gear
select position sensor.
b. Install the gear select position sensor using the
bolt.
Tighten:
9 N
⋅m (0.9 kg⋅m / 6.6 lb⋅ft)
N7A1018E
Legend
1. Gear Select Position Sensor Terminal 1
(SEL.GND)
2. Gear Select Position Sensor Terminal 2
(SEL.SIG)
3. Gear Select Position Sensor Terminal 3
(SEL.VCC)
N7A1016E
Automatic Transmission (Smoother) 7B-17
N7A1018E
7B-18 Automatic Transmission (Smoother)
Neutral Switch
Removal
1. Connector
2. Neutral switch
Inspection
• Replace if the harness, the connector or the seal is
damaged.
• Normal operation is indicated if there is continuity
between switch terminals when measured as-is,
and if there is no continuity between the terminals
when the ball is pressed.
• The switch operation stroke is 0.93 mm.
Installation
1. Neutral switch
• Apply Loctite 242 (or equivalent) to the threads
of the switch and install.
Tighten:
34 N
⋅m (3.5 kg⋅m / 25.1 lb⋅ft)
2. Connector
N7A1021E
N7A1022E
Automatic Transmission (Smoother) 7B-19
Reverse Switch
Removal
1. Connector
2. Reverse switch
Inspection
• Replace if the harness, the connector or the seal is
damaged.
• Normal operation is indicated if there is continuity
between switch terminals when measured as-is,
and if there is no continuity between the terminals
when the ball is pressed.
• The switch operation stroke is 0.93mm.
Installation
1. Reverse switch
• Apply Loctite 242 (or equivalent) to the threads
of the switch and install.
Tighten:
39 N
⋅m (4.0 kg⋅m / 28.8 lb⋅ft)
2. Connector
N7A1023E
N7A1022E
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