Isuzu KB P190. Service manual — part 990

Automatic Transmission – 4L60E – On-vehicle Servicing

Page 7C4–47

14

Reconnect the fuel and EVAP pipes three brackets and clips, refer to 6C Fuel System – V6.

15

Reinstall the following components:

a

Starter motor, refer to 6D1-2 Starting System.

b

Transmission support, refer to 3.7 Transmission Support and Mount.

c

Front and centre exhaust assemblies, refer to 6F Exhaust System.

d

Rear propeller shaft and for 4WD front propeller shaft, refer to 4A Propeller Shaft.

16

Reconnect the harness connectors to 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 4WD vehicles, refer to 7D Transfer Case and Adaptor Housing:

• neutral

switch,

• 2WD – 4WD shift actuator switch,

• speed

sensor.

17

Reinstall the selector cable to the transmission external manual shaft linkage, secure the selector cable to the
bracket and attach the heat shield to the neutral start and back-up lamp switch, refer to 3.3

Selector Cable

Assembly.

18

Perform a reverse flush of the cooler lines and a flow rate test, refer to 2.2 Reverse Flush and Flow Rate, if either
of the following applies:

•

the transmission fluid is contaminated,

•

the transmission has been replaced,

•

the torque converter has been replaced, or

•

the transmission oil pump has been replaced.

19

Lower the vehicle to the ground.

20

If required, top up the transmission fluid level (cold).

21

Reconnect the battery ground lead.

22

Start the engine and check for any fluid leaking at the fittings. If a leak is found, stop the engine and rectify the leak.

23

Road test until the transmission has reached operating temperature. Re-check the fluid level and for any fluid leaks,
refer to 2.1 Transmission Fluid.

3.19 Transmission Control Module

Remove

1

Ensure the ignition switch is in the OFF position.

2

Disconnect the connector (1) from the transmission control module (TCM) (2) as follows, refer to Figure 7C4 – 63:

a

remove the securing pin (3),

b

press the locking tab and swing the lever (4) to free the connector,

c remove

the

connector.

3

Remove the four bolts (5) and nuts (6), then the TCM from the mounting bracket (7).

4

If required, remove the two nuts (8) and the mounting bracket from the firewall.

Automatic Transmission – 4L60E – On-vehicle Servicing

Page 7C4–48

Figure 7C4 – 63

Reinstall

Reinstallation of the transmission control module (TCM) is the reverse of the removal procedure, noting the following:

1

If a new TCM is installed it must be programmed, refer to TCM Programming Procedure in this Section.

2

If required, install the mounting bracket to the firewall and tighten the nuts to the correct torque specification.

TCM bracket attaching
nut torque specification . . . . . . . . . . 7.0 Nm

3

Install the TCM onto the bracket and tighten the bolts and nuts to the correct torque specification.

TCM attaching bolt and nut
torque specification . . . . . . . . . . . ..7.0 Nm

4

Lock the connector securely to the TCM by with the locking lever and the securing pin.

5

Using Tech 2, clear any TCM diagnostic trouble code (DTC) that may have set during the removal procedure, refer
to 0C Tech 2.

TCM Programming Procedure

1

The transmission control module (TCM) must be programmed with the correct software/calibration. Ensure the
following conditions exist before starting the TCM programming procedure:

a

The battery is fully charged.

b

The Tech 2 cable connection at the data link connector (DLC) is secure.

c

The ignition switch is in the ON position.

2

Program the TCM using the latest software for the vehicle, refer to the following:

a

Current release of TIS for the latest software and

b

0C Tech 2 for TCM service programming.

Automatic Transmission – 4L60E – On-vehicle Servicing

Page 7C4–49

3

If the TCM fails to program, proceed as follows:

a

Ensure the TCM connection is secured.

b

Ensure Tech 2 is programmed with the latest software version.

c

Attempt to re-program the TCM. Replace the TCM if it still cannot be programmed properly.

Automatic Transmission – 4L60E – On-vehicle Servicing

Page 7C4–50

4 Specifications

For all 4L60E hydra-matic automatic transmission specifications, refer to 7C1 Automatic transmission – 4L60E – General
Information.