ECU ISUZU KB P190 2007 Workshop Repair Manual

Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–14
Selector lever knob attaching screw torque specification ..............................................2.0 Nm
16 Secure the upper housing (10) to the base plate with the four latched fasteners.
17 Install the front and rear console, refer to 10 Cab.
3.3 Selector Cable Assembly

Figure 7C4 – 10
Legend
1 Selector Cable
2 Selector Lever Linkage
3 Retaining Pawl – Selector Cable
4 Shift Selector Base Plate
5 Screw – Heat Shield 6 Screw – Heat Shield
7 Heat Shield
8 External Manual Shaft Linkage
9 Bracket
10 Bolt – Bracket

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–16
8 Slide the cover (3) in the direction shown by the
arrow (1).
9 Using a small flat blade screwdriver, move the lock piece (4) from the position indicated by the arrow (2).
Continue to move the lock piece until the adjuster (5)
position begins to change.

Figure 7C4 – 12
10 Connect the selector cable to the transmission external manual shaft linkage.
11 Insert the lock piece in the adjuster to engage with the serrated cable end (cable length adjustment).
12 Slide the cover (1) on the adjuster and secure the lock piece.

Figure 7C4 – 13
13 Install the heat shield (7) and tighten the attaching screws (1 and 6) to the correct torque specification, refer to Figure 7C4 – 10.
Heat shield front attaching screw
torque specification ............................................ 25.0 Nm
Heat shield rear attaching screw torque specification ..............................................9.0 Nm
14 Move the selector lever to the P position and press the selector lever knob button five times.
15 Ensure the selector lever moves smoothly to each of its positions.
16 Check if the shift position indicated by the selector lever and the actual shift position are the same, rectify if required.
17 Lower the vehicle to the ground. Ensure the engine can only be started with the transmission selector lever in Park or Neutral position and the back-up lamps work correctly. If required, adjust the neutral start and back-up lamp
switch, refer to 3.4 Neutral Start and Back-up Lamp Switch.
18 Ensure the gear selection operates correctly.
19 Install the front and rear console, refer to 10 Cab.
3.4 Neutral Start and Back-up Lamp Switch
Remove
1 Position the transmission selector lever to the P position.
2 Raise the vehicle and support in a safe manner, refer to 0A General Information for the location of support points.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–17
3 Remove the three attaching screws (1 and 2) and the
heat shield (3).
4 Hold the transmission manual shaft linkage (4) with an adjustable wrench and remove the linkage attaching
nut (5).
5 Carefully remove the manual shaft linkage and selector cable from the transmission manual shaft (6).
6 Prise the connector position assurance (CPA) securing pin (7) from the neutral start and back-up
lamp switch (8) taking care not to break the pin in the
process. Disconnect the connector (9) from the switch
assembly by pulling down the release bar (10).
NOTE
The connector will automatically disconnect at
the same time the release bar is withdrawn.
7 Remove the attaching screw (11) and slide the switch assembly over the transmission manual shaft to
remove it.
Figure 7C4 – 14
Reinstall
1 Slide the neutral start and back-up lamp switch (8) over the transmission manual shaft (6) and reinstall the two
attaching screws (1 and 11), tighten them finger tight until the adjustment process has been completed, refer to
Figure 7C4 – 14.
2 Install the manual shaft linkage (4) and the attaching nut (5). Hold the linkage with an adjustable wrench and tighten the nut to the correct torque specification.
Manual shaft linkage attaching nut
torque specification ............................................ 25.0 Nm
3 Install the connector (9) but do not reinsert the CPA securing pin (7) at this stage.
4 Check the shift selector linkage operation and adjust as required, refer to 3.2 Shift Selector Assembly.
5 Check and adjust as required the neutral start and back-up lamp switch as described in this Section, refer to Adjust.
Adjust
1 Raise the vehicle and support in a safe manner, refer to 0A General Information for the location of support points.
2 If required, loosen the neutral start and back-up lamp switch (8) as follows, refer to Figure 7C4 – 14: a Remove the three attaching screws (1 and 2) and the heat shield (3).
b Prise the connector position assurance (CPA) securing pin (7) from the neutral start and back-up lamp switch taking care not to break the pin in the process.
c Disconnect connector (9) from the switch assembly by pulling down the release bar (10).
NOTE
The connector will automatically disconnect at the
same time the release bar is withdrawn.
d Loosen the screw (11) attaching the switch and refit the front screw (1) keep them finger tight.
e Reinstall the connector (9) but do not reinsert the CPA securing pin at this stage.
3 Rotate the neutral start and back-up lamp switch back and forth until a central position is attained and then lightly tighten the front screw (1) to prevent the switch from rotating.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–18

Ensure the four wheels are off the ground
before performing the starting test.
4 W ith the ignition switched to the ON position, check if the engine can only be started in the Park and Neutral shift selector positions and ensure the back-up lamps illuminate when Reverse is selected. A further minor adjustment
may be required to achieve this state.
NOTE
To gain access to the rear attaching screw (11) it
will be necessary to remove the connector.
5 After the switch has been adjusted, tighten the rear attaching screw (11) to the correct torque specification. Neutral start and back-up lamp switch
attaching screw torque specification .................. 25.0 Nm
6 Reinstall the connector and the CPA securing pin.
7 Remove the switch front attaching screw (1).
8 Install the heat shield (3) and tighten the attaching screws (1 and 2) to the correct torque specification.
Heat shield front attaching screw
torque specification ............................................ 25.0 Nm
Heat shield rear attaching screw torque specification ..............................................9.0 Nm
9 Lower the vehicle to the ground and re-check the operation of the neutral start and back-up lamp switch. The vehicle must start only with the shift selector in the Park or Neutral positions and the back-up lamps should only
illuminate when Reverse is selected.
3.5 Vehicle Speed Sensor
NOTE
For the speed sensor fitted to four wheel drive
vehicles (4WD), refer to 7D Transfer Case and
Adaptor Housing.
Remove
1 Raise the vehicle and support in a safe manner, refer
to 0A General Information for the location of support
points.
2 Disconnect connector (1) from the vehicle speed sensor (2).
3 Remove the bolt (3) attaching the speed sensor to the transmission extension housing.
4 With a pulling and turning motion, remove the speed sensor and O-ring seal (4) from the transmission
extension housing, discard the O-ring.
Figure 7C4 – 15

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–28
10 Lower the transmission to provide clearance between
the floor pan and the pass-thru connector located at
the right-hand rear of the transmission case.
11 Install the connector release, Tool No. 700-4208 (1) over the pass-thru connector and use hand force to
push the tool down compressing the four retaining
tangs on the connector.
12 Pull the pass-thru connector free from the transmission case and remove the control valve body
harness and TCC solenoid assembly from the
transmission.
13 Remove the O-ring from the pass-thru connector and discard.
Figure 7C4 – 32
Reinstall
1 Lubricate a new O-ring with petroleum jelly and fit it to the pass-thru connector.
2 Reinstall the pass-thru connector up through the hole in the transmission case pushing it in until all four retaining tangs have emerged on the outside of the transmission case. Gently pull on the connector to check if engagement
is secured.
3 Reinstall the control valve body, refer to 3.14 Control Valve Body.
4 Lubricate a new O-ring with petroleum jelly and fit it to the TCC solenoid (2).
5 Reinstall the TCC solenoid assembly in the control valve body , tighten the two attaching bolts (1) to the
correct torque specification.
TCC solenoid attaching bolt
torque specification ............................................ 12.0 Nm

Figure 7C4 – 33

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–29
6 Lubricate a new O-ring with petroleum jelly and fit it to
the TCC PW M solenoid (2).
7 Reinstall the TCC PWM solenoid in the control valve body and secure it with the retaining clip (1).
Figure 7C4 – 34
8 Reconnect the control valve body harness connectors. Connectors identification:
• Transmission Fluid Pressure (TFP) Manual
Valve Position Switch (1)
• 1 – 2 Shift Valve Solenoid A (2)
• 2 – 3 Shift Valve Solenoid B (3)
• Pressure Control Solenoid (PCS) (4)
• Torque Converter Clutch Pulse W idth Modulated
(TCC PWM) Solenoid (5)
• 3 – 2 Control Solenoid (6).
Figure 7C4 – 35
9 Secure the harness frame to the control valve body, place the tab between the valve body and pressure
switch in location (1) and press the harness frame in
position on bolt bosses (2 and 3).
Figure 7C4 – 36
10 Reinstall the oil pan and filter and fill the transmission with the recommended automatic transmission fluid, refer to 3.1 Fluid Change and Filter Replacement.
11 Lower vehicle to the ground.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–32
2 If required, reinstall the seven checkballs (1) in the
control valve body securing them with petroleum jelly.

Figure 7C4 – 41
3 Reinstall the manual valve link (1) to the inner detent lever (2), refer to Figure 7C4 – 42.
4 W hile supporting the control valve body (3), rotate it slightly and connect the manual valve link with the manual valve (4).

Take care not to damage the two filter screens
attached to the spacer plate during this
operation.
5 Position the manual valve forward to retain the link connection and carefully raise the valve body into position.
6 Check if the manual valve link is correctly reinstalled in the detent lever and manual valve.

Figure 7C4 – 42

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–40
5 Remove the filler tube from the engine compartment.
6 Remove the filler tube seal from the transmission case and discard.
7 If the breather hose needs to be replaced proceed as follows: a unclip the breather hose (4) from the harness channel (5).
b Remove the transmission support and lower the rear of the transmission sufficiently to get access to the breather hose, refer to 3.7 Transmission Support and Mount.
c Disconnect the breather hose from the T-joint (6) and the top of the transmission case and remove.
d If required, remove the two bolts (7) attaching the brackets of the vent pipe (8) to the chassis, disconnect from the T-joint and remove the vent pipe.

Figure 7C4 – 57
Reinstall
Reinstallation of the transmission filler tube and/or the breather hose is the reverse of the removal procedure, noting the
following:
1 Smear a new filler tube seal with clean transmission fluid and fit it to the transmission case.
2 Ensure the transmission breather hose and the harness are secured to the filler tube lower bracket.
3 Tighten the bolt attaching the filler tube bracket to the correct torque specification.
Filler tube bracket attaching bolt
torque specification ................................. 20.0 – 35.0 Nm
4 If required, tighten the two bolts attaching the vent pipe bracket to the chassis to the correct torque specification.
Vent pipe attaching bolt
torque specification ..............................................6.0 Nm

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–42
5 Carefully lower the rear of the transmission sufficiently to get access to the cooler lines.
6 Place a suitable sized drip tray underneath the transmission.
7 W ith the rear of the transmission lowered, disconnect the cooler lines from the transmission, as follows:
a Pull back the verifier disc (1) to release it and slide it back along the cooler line (2).
b Open the release tool, Tool No J-41623-B (3), slip it over the cooler line to be disconnected
from the transmission, ahead of the verifier disc.
c Slide the release tool along the cooler line and engage it with the quick-connect fitting (4).
d W hile pushing inwards, rotate clockwise the release tool about one sixth of a turn to release
the spring clip holding the cooler line.
e With the release tool held in this position, pull back on the cooler line to release it.
f Plug all openings to prevent fluid loss and/or contamination.
g Repeat this process with the remaining cooler line.
NOTE
If the spring clip and/or O-ring seal in the quick-
connect fitting is damaged during the removal
process, the complete fitting must be replaced.
Figure 7C4 – 60
8 Carefully remove the two cooler lines from the vehicle.
9 As required, separate the two cooler lines by removing the bracket and the two clips.
Reinstall
1 On the transmission end, ensure the spring clip and/or O-ring seal in each quick-connect fitting is not damaged, replace the complete fitting if required.
2 If required, fit the bracket and the two clips to attach the transmission two cooler lines together.
3 Position the cooler lines in place, attach the cooler line bracket (2) with the screw (1) hand tight to the right-hand side of the engine, refer to Figure 7C4 – 59.
4 Remove the plugs from the cooler lines and transmission fittings and wipe all exposed parts clean.
5 At the transmission end, smear the fluid lines rear fittings with clean automatic transmission fluid and push the quick-connect fittings together.

If the verifier disc does not clip into place, the
quick-connect fitting is not engaged, rectify
as required.
6 As a security check, push and clip each verification disc into place over the quick-connect fittings. If difficulty is experienced, repeat the installation process until the verification disc can be clipped into place over the
transmission quick-connect fitting.
7 Reinstall the transmission support, refer to 3.7 Transmission Support and Mount.
8 Remove the plugs from the cooler lines and radiator fittings and wipe all exposed parts clean.
9 At the radiator end, smear the fluid lines fittings with clean automatic transmission fluid and push the quick-connect fittings together, refer to Figure 7C4 – 58.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–43

If the verifier disc does not clip into place, the
quick-connect fitting is not engaged, rectify
as required.
10 As a security check, push and clip each verification disc into place over the quick-connect fittings. If difficulty is experienced, repeat the installation process until the verification disc can be clipped into place over the radiator
quick-connect fitting.
11 Snap the outlet cooler line (4) in the clip (5) of the radiator fan shroud.
12 Ensure the routeing of the cooler lines is correct and there is no fouling of the lines.
13 Tighten the screw attaching the cooler lines bracket to the correct torque specifications.
Transmission cooler lines bracket
attaching screw torque specification .................. 23.0 Nm
14 If required, top up the transmission fluid level (cold).
15 Start the engine and check for any fluid leak at the fittings. If a leak is found, stop the engine and rectify the leak.
16 Check and top up the transmission fluid to the correct level as required, refer to 2.1 Transmission Fluid.
3.18 Transmission Assembly
Remove

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 6D1-3
Battery, before disconnecting the battery.
1 Disconnect the battery ground lead.
2 Raise the vehicle and support in a safe manner, refer to 0A General Information for the location of support points.
3 Remove the heat shield from the neutral start and back-up lamp switch, gently prise the selector cable from the transmission external manual shaft linkage and remove the selector cable from the bracket, refer to
3.3 Selector Cable Assembly.
4 Disconnect the harness connectors from the following:
a Vehicle speed sensor, refer to 3.5 Vehicle Speed Sensor.
b Neutral start and back-up switch, refer to 3.4 Neutral Start and Back-up Lamp Switch.
c For the following on four wheel drive vehicles (4W D), refer to 7D Transfer Case and Adaptor Housing:
• neutral switch,
• 2WD – 4WD shift actuator switch,
• speed sensor.
NOTE
If the battery is connected, avoid turning the
ignition switch to the ON position, as the transfer
case control module (TTCM) must first be
removed (memory to be cleared as Check 4W D
Indicator will light).
5 Remove the following components: a Front and centre exhaust assemblies, refer to 6F Exhaust System.

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