2007 ISUZU KB P190 torque

Engine Management – V6 – Service Operations Page 6C1-3–11

3 Using a suitable lever, gently lever the locking tangs
(1) of the lower housing insulator sleeve back to clear
the lower housing retaining bolt (2). Repeat this
process for each of the remaining two sleeves.
4 Remove the three bolts retaining the lower housing (3) to the fender inner panel and remove the housing.
5 If required, remove the insulator sleeve and air cleaner lower housing insulator (4).
Figure 6C1-3 – 4

Reinstall
1 Reinstall the air cleaner lower housing attaching bolt and tighten to the correct torque specification.
Air cleaner lower housing attaching
bolt torque specification ..........................18.0 – 22.0 Nm
2 Using a suitable hammer and pin punch, position the locking tang against the bolt head.
3 Road test the vehicle and check for correct operation.
2.3 Barometric Pressure Sensor
Remove
1 Turn the ignition switch off.
2 Disconnect the wiring harness connector (1) from the barometric pressure (BARO) sensor (2).

Figure 6C1-3 – 5

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–12

3 Remove the bolt (1) attaching the BARO sensor (2) to
the upper intake manifold (3).
4 Remove the BARO sensor from the manifold by first, twisting the sensor to release it, and then pulling it
upwards to remove it.
Figure 6C1-3 – 6
Reinstall
Reinstallation of the barometric pressure (BARO) sensor is the reverse of the removal procedure, noting the following:

Ensure the BARO sensor is fully seated
before tightening the attaching bolt to the
specified torque.
1 Reinstall the BARO sensor bolt and tighten to the correct torque specification. Barometric pressure sensor
attaching bolt
torque specification ...................................8.0 – 12.0 Nm
2 Road test the vehicle and check for correct operation.
2.4 Camshaft Position Sensor
Remove
1 Turn the ignition switch off.

2 Disconnect the wiring harness connector (1) from the CMP sensor (2).
Figure 6C1-3 – 7

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–13


Clean the area around the CMP sensor before
removal to avoid debris from entering the
engine.
3 Remove the CMP sensor attaching bolt (1).
4 Remove the CMP sensor (2) by first twisting the sensor to release it, and then pulling it away from the
front engine cover to remove it.

Figure 6C1-3 – 8
Reinstall
Reinstallation of the camshaft position (CMP) sensor is the reverse of the removal procedure, noting the following:
1 Lubricate the CMP sensor O-ring with clean engine oil.
2 Reinstall the CMP sensor by pushing in on the sensor to engage the sensor O-ring in the front engine cover.

Ensure the CMP sensor is fully seated before
tightening the attaching bolt to the specified
torque.
3 Reinstall the CMP sensor bolt and tighten to the correct torque specification. Camshaft position sensor attaching bolt
torque specification ...................................8.0 – 12.0 Nm
4 Road test the vehicle and check for correct operation, taking particular note there is no engine oil leak from the CMP sensor.
2.5 Crankshaft Position Sensor
Remove
1 Turn the ignition switch off.
2 Raise the front of the vehicle and support on safety stands, refer to 0A General Information for location of the jacking points.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–15

Test

To prevent component and damage use
connector test adaptor kit J 35616-A.
Resistance Check

1 Connect a digital ohmmeter using connector test adaptor kit J 35616-A to the crankshaft position (CKP)
sensor.
2 Measure the resistance across terminals 1 and 2.
3 Compare the reading against the specification.
CKP sensor resistance @ 20°C ................ 850 – 1040 Ω
4 If the resistance is not within specification, replace the
CKP sensor.
Figure 6C1-3 – 11
Reinstall
Reinstallation of the crankshaft position (CKP) sensor is the reverse of the removal procedure, noting the following:
1 Lubricate the CKP sensor O-ring with clean engine oil.
2 Reinstall the CKP sensor by pushing down on the sensor to engage the sensor O-ring in the engine block.

Ensure the CKP sensor is fully seated before
tightening the attaching bolt to the specified
torque.
3 Reinstall the CKP sensor bolt and tighten to the correct torque specification. Crankshaft position sensor attaching bolt
torque specification ...................................8.0 – 12.0 Nm
4 Road test the vehicle and check for correct operation, taking particular note there is no engine oil leak from the CKP sensor.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–18

5 If the resistance is not within specifications, replace
the ECT sensor.
Engine Coolant Temperature Vs Resistance
Temperature °C Resistance – Ohms (
Ω)
-40 40490 – 50136
-20 14096 – 16827
-10 8642 – 10152
0 5466 – 6326
20 2351 – 2649
25 1941 – 2173
40 1118 – 1231
60 573 – 618
80 313 – 332
100 182 – 191
120 109 – 116
140 68 – 74
Reinstall
Reinstallation of the engine coolant temperature (ECT) sensor is the reverse of the removal procedure, noting the
following:
1 Tighten the ECT sensor to the correct torque specification.
Engine coolant temperature sensor
torque specification ............................................22.0 Nm
2 Refill the cooling system, refer to 6B1 Engine Cooling – V6.
3 Road test the vehicle and check for correct operation, taking particular note there is no coolant leakage.
2.7 Engine Control Module
Service of the engine control module (ECM) should normally consist of either replacement or ECM programming. If the
diagnostic procedures call for the ECM to be replaced, it should be first checked to ensure it is the correct part. If it is,
replace the faulty ECM.

Do not touch the ECM connector pins as
electrostatic discharge (ESD) damage may
result.

When removing or reinstalling the ECM wiring
harness connector/s, ensure the ignition
switch is in the OFF position and the battery
has been disconnected. Failure to do so may
result in damage to the ECM and / or
associated componentry.
Disconnection of the battery affects certain
vehicle electronic systems. Refer to 6D1-3
Battery - V6 before disconnecting the battery.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–20

Reinstall
Reinstallation of the engine control module (ECM) is the reverse of the removal procedure, noting the following:
NOTE
During installation of the ECM, the
SICHTMUSTER ME 9.6 label (1) is positioned at
the top right-hand corner.
1 Reinstall ECM attaching bolts and tighten to the correct torque specification.
Engine control module attaching bolt
torque specification ...................................8.0 – 12.0 Nm
2 Reinstall the ground terminal screw and tighten to the correct torque specification.
Ground terminal attaching screw
torque specification ..............................................4.5 Nm
Figure 6C1-3 – 17
3 Reinstall the main vehicle wiring harness connector, and engine wiring harness connector, ensuring the connector locking lever is fully seated, refer to Figure 6C1-3 – 15.
4 If the ECM has been replaced, perform the following procedures:
• ECM service programming, 6E1 Powertrain Interface Module – V6.
• ECM / PIM / ICU security link, refer to 6E1 Powertrain Interface Module – V6.
• Main diagnostic table functional check, refer to 6C1-2 Engine Management – V6 – Diagnostics.
5 If the ECM has been removed, but not replaced, perform the main diagnostic table functional check, refer to 6C1-2 Engine Management – V6 – Diagnostics.
6 Start the vehicle and allow to idle.
ECM Reset

Do not perform the reset procedure within
sixty seconds of turning the ignition on.
Failure to comply may result in the ECM
failing to reset.
W hen an ECM is installed onto a vehicle, it is security linked to the Immobiliser Control Unit (ICU) and powertrain
interface module (PIM). Once this linking has been performed, the ECM cannot be installed in any other vehicle unless
the security linking between the ICU and the PIM has been reset using the following procedure.
NOTE
Prior to resetting the ECM, obtain the Security
Code. This information is found on the vehicle
security card issued with the vehicle when new.
For further information on the vehicle security
card, refer to 6E1 Powertrain Interface Module –
V6.
1 Connect Tech 2 to the data link connector (DLC) and turn the ignition on.
2 On Tech 2 select Engine / V6 Engine / Programming / Reset ECU .

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–21

NOTE
When Tech 2 requests programming approval,
obtain TIS approval.
3 W hen Tech 2 displays Enter Security Code, enter the security code, press the Enter key and then the Okay soft
key.

The engine will not start after the ECM has
been reset.
4 W hen Tech 2 displays Do you really want to Reset? , press the Reset soft key.
5 W hen Tech 2 displays Stop Engine - Turn Off Ignition , turn the ignition off and press the Confirm soft key.
6 W hen Tech 2 displays Turn Ignition On, turn the ignition on and press the Confirm soft key.
7 W hen Tech 2 displays Reset Completed Successfully , press the Confirm soft key to return to the Tech 2
Programming screen.
2.8 Engine Control Module Bracket Assembly
Remove
1 Remove the engine control module (ECM), refer to 2.7 Engine Control Module.
2 Remove the bolt (1) and the two bolts (2), attaching the ECM bracket assembly (3) to the front engine
cover and remove.
Figure 6C1-3 – 18
Reinstall
Reinstallation of the engine control module (ECM) bracket assembly is the reverse of the removal procedure, noting the
following:
1 Tighten the ECM bracket assembly bolts to the correct torque specification.
Engine control module bracket
assembly attaching bolt
torque specification (6mm)........................7.5 – 10.5 Nm
Engine control module bracket
assembly attaching bolt
bolt torque specification (8mm) ...............19.0 – 25.0 Nm
2 Perform the main diagnostic table functional check, refer to 6C1-2 Engine Management – V6 – Diagnostics.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–23

Test
Engine Oil Level Sensor Check
1 W ith the aid of an assistant, perform the following:
a W hilst holding the engine oil level and temperature sensor (1) in a level position, connect a digital ohmmeter using connector test adaptor kit J 35616-A to terminals A and C, refer to Figure 6C1-3 – 21.
b W ith the flat surface of the float (2) positioned at the bottom, ensure continuity does not exist.
c Push the float upwards so the magnetic pin (3), on the inside of the float (the side of the float with the flat side) contacts the engine oil level sensor. Check for continuity whilst holding the float in this position.

Figure 6C1-3 – 21
2 If any of the above tests fail, replace the engine oil level sensor.
Reinstall
Reinstallation of the engine oil level and temperature sensor is the reverse of the removal procedure, noting the
following:
1 Lubricate the O-ring and threaded portion of the sensor with clean engine oil.
2 Tighten the engine oil level and temperature sensor to the correct torque specification.
Engine oil level and temperature sensor
torque specification – wet........................11.0 – 15.0 Nm
3 Refill the engine with engine oil, refer to 6A1 Engine Mechanical – V6.
4 Road test the vehicle and check for correct operation, taking particular note there is no engine oil leakage from the oil level and temperature sensor.
2.10 Engine Oil Pressure Sensor

To avoid personal injury, take care when
removing the engine oil pressure sensor
when the engine is hot. Allow the engine to
cool before performing this procedure.
Remove
1 Turn the ignition switch off.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007