Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1888
7A3-6 ON-VEHICLE SERVICE (JR405E)
INHIBITOR SWITCH
The inhibitor switch is attached to the right side of the
transmission.
Inspect
1. Block the wheels.
2. Disconnect the negative battery cable.
3. Disconnect the harness connectors.
4. Use a ohmmeter to check the inhibitor switch
continuity between the following terminals as shown
in figure.
5. Place the select lever in the “N” range.
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6. Move the select lever to either side.
Check the inhibitor switch continuity between the
terminals shown in Step (4).
The continuity readings should remain fairly steady
as the select lever is moved.
If there is no continuity or the continuity is
intermittent, the inhibitor switch must be adjusted.
Adjust
1. Disconnect the shift calbe from the lever.
2. Loosen the inhibitor switch bolts.
3. Use the inhibitor switch set plate to align the neutral
holes (manual shaft and inhibitor switch).
Turn the inhibitor switch to adjust it.
Inibitor switch set plate: 5-8840-2763-0
Note:
Inhibitor switch adjustment is very important.
If the inibitor switch is not correctly adjusted, the
automatic transmission will not function normally.
4. Tighten the 2 inhibitor switch bolts to the specified
touque.
Torque:
5.5
N·m (48 lb·in)
47INH-SW01
5. Connect the shift cable to the lever.
6. Connect the harness connector.
Remove or Disconnect
1. Remove the cable bracket (1) from the transmission.
2. Disconnect the shift cable (2) from the lever (3).
3. Disconnect the harness connectors.
4. Remove the inhibitor switch bolts.
5.
Remove the inhibitor switch (4) from the
transmission.
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ON-VEHICLE SERVICE (JR405E) 7A3-7
Install or Connect
1. Install the inhibitor switch (4) to the transmission.
Temporarily tighten the inhibitor switch bolts.
2. Move the manual shaft select lever to the “N” range.
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3. Use the inhibitor switch set plate to align the neutral
holes (manual shaft and inhibitor switch).
Turn the inhibitor switch to adjust it.
Inhibitor switch set plate: 5-8840-2763-0
Note:
Inhibitor switch adjustment is very important.
If the inhibitor switch is not correctly adjusted, the
automatic transmission will not function normally.
4. Tighten the 2 inhibitor switch bolts to the specified
torque.
Torque:
5.5
N·m (48 lb·in)
47INH-SW01
5. Install the cable bracket (1) to the transmission.
6. Connect the shift cable (2) to the lever (3).
7. Connect the harness connector.
8. Connect the negative battery cable.
9. Remove the wheel blocks.
7A3-8 ON-VEHICLE SERVICE (JR405E)
SPEED SENSOR
The speed sensor is attached to the right side of the
transmission.
240L300001
Legend
1. Inhibitor switch
2. Speed sensor
3. Turbine sensor
Inspect
1. During the driving at speed of 20km/h (12mph) with
“L” range in low gear, measure the voltage between
the TCM connector terminals (B13) and (B5) with a
digital voltmeter.
Standard voltage : approx. 7V (AC range)
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2. If the voltage is out of the standard value, check the
speed sensor pole piece for presence of foreign
meterials and the speeed sensor cable for short or
open circuit.
Result of the inspection is normal, replace the speed
sensor.
Torque: 6 N·m (52 lb·in)
TURBINE SENSOR
The turbine sensor is attached to the right side of the
transmission.
Inspect
1. During the driving at speed of 20km/h (12mph) with
“L” range in low gear, measure the voltage between
the TCM connector terminals (B3) and (B5) with a
digital voltmeter.
Standard voltage : approx. 7V (AC range)
2. If the voltage is out of the standard value, check the
turbine sensor pole piece for presence of foreign
materials and the turbine sensor cable for short or
open circuit.
Result of the inspection is normal, replace the
turbine sensor.
Torque: 6 N·m (52 lb·in)
ON-VEHICLE SERVICE (JR405E) 7A3-9
POWER AND 3RD START SWITCH
Inspect
1. Block the wheels.
2. Disconnect the negative battery cable.
3. Pry out the switch from the floor console.
4. Disconnect the harness connector.
5. Check continuity between terminal (5) and (6) at third
(3rd) position.
6. Check continuity between terminals (3) and (6) at
power (PWR) position.
7. Replace the power and 3rd start switch when the
result of inspection is found abnormal.
8. Connect the harness connector.
9. Connect the negative battery cable.
10. Remove the wheel blocks.
238R300003
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