Isuzu KB P190. Manual — part 933

Powertrain Interface Module – V6

Page 6E1–71

11 Service

Operations

11.1 Safety and Precautionary Measures

The following safety and precautionary
measures must be followed when servicing
and diagnosing the powertrain interface
module (PIM) System. Otherwise, personal
injury and / or improper braking system
operation may occur:

•

When using electric welding equipment, disconnect the wiring harness connector from the PIM.

•

Never disconnect or reconnect the PIM wiring harness connector when the ignition is switched ON.

•

Do not touch the PIM connector pins or soldered components on the PIM circuit board to prevent possible
Electrostatic Discharge damage.

•

To avoid wiring connector terminal damage, always use suitable wiring harness test leads (such as those in Tool
No, J35616) when performing tests on the PIM wiring connector.

•

The PIM is extremely sensitive to Electro Magnetic Interference (EMI). Ensure the PIM wiring harness is routed
correctly and securely fitted to mounting clips when performing service procedures.

•

Due to the sensitive nature of the PIM circuitry, specific wiring repair procedures have been developed. These
procedures and instructions are detailed in 8A Electrical - Body and Chassis and are the only recommended and
approved wiring repair methods.

•

Ensure that all wiring harness connectors are seated correctly.

•

Never disconnect the battery from the vehicle electrical system while the engine is running.

•

Always disconnect the battery from the vehicle electrical system before charging.

•

Do not use a fast charger for starting the vehicle.

•

Ensure the battery cable terminals are secure.

•

Before installing a new PIM, ensure the correct type is fitted. Always refer to the latest spare parts information.

11.2 Powertrain Interface Module

Do not touch the powertrain interface module
pins as Electrostatic Discharge (ESD) damage
may result. For further information on ESD,
refer to 1.2

Warning Caution and Notes.

When replacing the PIM, the PIM must be
reset prior to removal. Failure to perform this
procedure will result in the inability to:

• Test the PIM for warranty purposes.
• Install the PIM into other vehicles.

Powertrain Interface Module – V6

Page 6E1–72

Remove

1

If replacing the PIM, reset the PIM prior to PIM removal. Refer to PIM Reset in this Section.

2

Turn the ignition switch off.

3

Remove Fuse EB-4, refer to 8A Electrical-Body and Chassis.

4

Remove the right-hand front body hinge pillar trim assembly, refer to 10 Cab.

5

Disconnect the wiring harness connector (1) from the
powertrain interface module (PIM) (2).

6

Remove the bolt (3) attaching the PIM to the hinge
pillar inner panel.

Figure 6E1 – 16

Reinstall

Reinstallation of the PIM is the reverse of the removal procedure, noting the following:

1

Tighten the attaching bolt to the correct torque specification.

PIM attaching bolt
torque specification . . . . . . . . ...8.0 – 12.0 Nm

2

If the PIM has been replaced, perform the following procedures:

•

PIM service programming, refer to 12.4

Immobiliser Link to ECM / PIM.

•

PIM Configuration, refer to 12.3 PIM Configuration.

•

Diagnostic system check, refer to 7.2

Diagnostic System Check.

3

Road test the vehicle and check for correct vehicle operation.

Powertrain Interface Module – V6

Page 6E1–73

11.3 Vertical Acceleration Sensor

Remove

1

Turn the ignition switch off.

2

Using a hoist raise the vehicle to a suitable working height.

3

Remove the VAS connector.

4

Remove the nut (1) securing the VAS to the mounting
bracket.

5

Remove the VAS (2) from the mounting bracket.

Figure 6E1 – 17

Reinstall

Reinstallation of the VAS is the reverse of the removal procedure, noting the following:

1

Tighten the attaching nut to the correct torque specification.

VAS attaching nut
torque specification . . . . . . . . .12.0 – 16.0 Nm

2

Check the system for correct operation, refer to 7.2

Diagnostic System Check.

3

Road test the vehicle and check for correct vehicle operation.

Powertrain Interface Module – V6

Page 6E1–74

12

PIM Security and Programming

12.1 Security and Programming Information

Car Pass Card

When performing certain powertrain interface module (PIM) programming functions using Tech 2, you may be prompted
to enter a four digit Security Code (1). This information is found on the car pass card issued with the vehicle when new. If
the card is unavailable, contact the GM Holden Technical Assistance (TAS) centre to obtain the relevant Security Code.

Security Code

The security code is required when performing certain PIM, ICU and ECM programming functions. When Tech 2
requests the security code to be entered, and an incorrect code is entered, the PIM will go into a security wait time stage.
This wait time stage will prevent any further attempts to enter the security code until the wait time has elapsed.

Should a second incorrect security code be entered after the initial wait time has elapsed, the PIM will go into a second
wait time stage. The wait time will increase each time an incorrect code is entered. When the correct code is entered the
wait time will reset back to its original value of 10 seconds.

N O T E

The ignition switch must be in the ON position
with the battery connected during the wait time
period.

The wait time stages are as follows:

•

Stage 1 = 10 seconds.

•

Stage 2 = 10 seconds.

•

Stage 3 = 10 minutes.

•

Stage 4 = 20 minutes.

•

Stage 5 = 40 minutes.

•

Stage 5 = 80 minutes.

Tech 2 PIM Security Information Data List

The Tech 2 PIM Security Information Data List displays the PIM's current security status.

To view the data list:

1

Connect Tech 2 to the data link connector (DLC) and turn the ignition switch on.

2

On Tech 2 select: Body / Powertrain Interface Module / Security / Security Information.