Isuzu KB P190. Manual - part 328

 

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Isuzu KB P190. Manual - part 328

 

 

6E-278  Engine Control System (4JH1) 

• Destination 

Code 

j. Select 

Next. 

k.  Verify your selection on the Summary screen. 

Important:  

Refer to Service Bulletins before service programming is

performed if the bulletins are listed along with the

calibration files.  

Important:  

Select Cancel if you receive a message stating that the

calibration selected is already the current calibration in

the ECM and reprogramming with the same download is

not allowed.  

l. Select 

Reprog. 

m. The Transfer Data screen will appear until the

progress bar reaches 100%. 

6. Close the application and return to the TIS

application selection screen after the download is

complete. 

7.  Turn OFF the scan tool. 

8.  Disconnect the scan tool from the terminal. 

9.  Transfer the data from the scan tool to the ECM

using the following procedure: 

a.  Connect the scan tool to the vehicle DLC, with

the engine and the scan tool OFF. 

b.  Turn ON the scan tool. 

c.  Press Enter at the Title screen. 

d.  Turn ON the ignition, with the engine OFF. 

e.  Select Service Programming System. 

f.  Select the Program ECU on the scan tool. 

g. Follow the on-screen instructions and select

Continue. 

h. Programming in Process will appear until the

progress bar reaches 100%. 

Important:  

The vehicle fitted with automatic transmission, Check 

Trans lamp may blink while programming the ECM since

communication between the ECM and TCM is 

interrupted. Clear DTC in any module

after 

programming.  

i.  Select Continue and exit the program after the

scan tool displays Programming Was

Successful.  

10. Turn OFF the ignition. 

11. Turn OFF the scan tool. 

12. Disconnect the scan tool from the vehicle. 

 

Service Programming System (SPS) (Pass-
Thru Procedure) 

 

 

Pass-Thru programming allows the scan tool to remain

connected to the terminal and to the vehicle throughout

the programming process. The vehicle must be in close

proximity to the terminal while using Pass-Thru.  

Important:  
The TIS supports service programming with the scan

tool scan tool only.  

1.  Launch the TIS application at the terminal. 

2. Select the Service Programming System at the

main screen. 

3. Highlight the following information on the Select

Diagnostic Tool and Programming Process screen:
•  Select Diagnostic Tool-Select Pass-Thru 
•  Select Programming Process-Identify whether

as existing engine control module (ECM) is

being reprogrammed or an ECM is being

replaced with a new one. 

•  Select ECU Location-Select Vehicle. 

4.  Select Next.  

5. Complete all vehicle data on the Preparing for

Communication/Determine Vehicle screen until

Next is highlighted. 

6. Select Next. 

7. Follow the instruction on the Preparing for

Communication screen. 

Important:  

In order to reduce the potential for signal loss, the RS-

232 cable should not be more than 25 feet long.

 

8. Select Next. 

9.  Verify the VIN on the Validate Vehicle Identification

Number (VIN) screen and select Next. 

Important:  

If the ECM is replaced to new one, VIN does not

displayed. Input correct VIN reading from stamped VIN

or affixed VIN plate on the vehicle. If the ECM from

another vehicle is installed, input correct VIN by same

way.  

10. Highlight Engine on the System Type screen and

select Next, if requested. 

11. Complete the following information based on the

service ID plate on the Validate Vehicle Data

screen until Next is highlighted:  
• Model 
• Model 

Year 

• Engine 

 

•  Type of Transmission 
• Destination 

Code 

12. Select  Next. 

13. Verify your selection on the Summary screen.  

 

Engine Control System (4JH1)  6E-279 

Important:  

Refer to Service Bulletins before service programming is

performed if the bulletins are listed along with the

calibration files. 

Important:  

Select Cancel if you receive a message stating that the

calibration selected is already the current calibration in

the scan tool and reprogramming with the same

download is not allowed.  

14. Select  Reprog. 

15. 

The Transfer Data screen will appear until the

progress bar reaches 100%. 

Important:  

The vehicle fitted with automatic transmission, Check 

Trans lamp may blink while programming the ECM since

communication between the ECM and TCM is 

interrupted. Clear DTC in any module

after 

programming. 

16. 

Select Close on the Programming Complete

screen.  

17. Turn OFF the scan tool. 

18. Disconnect the scan tool from the vehicle. 

 

Accelerator Pedal Position (APP) Sensor 
Replacement 

Removal Procedure 

1.  Disconnect the negative battery cable. 

2.  Disconnect the APP sensor connector. 

3.  Loosen two screws and remove APP sensor from 

the throttle body. 

 

 

 
 
 

 
 

 

Installation Procedure 

1.  Temporary tighten the APP sensor by two screws.

 

2. Connect a APP sensor connectors to the APP

sensor. 

3.  Connect the Tech2 to the vehicle. 

4.  Connect the negative battery cable. 

5.  Select "Data Display" with the Tech2. 

6.  Check the APP sensor data and adjust the APP

sensor. 

7.  Tighten two screws. 

 

Crankshaft Position (CKP) Sensor
Replacement 

Removal Procedure 

1.  Disconnect the negative battery cable. 

2.  Disconnect connector from the CKP sensor. 

3.  Loosen a bolt and remove the CKP sensor from

the clutch housing. 

 

 

 
 
 

 

 
Installation Procedure 

1.  Install the CKP sensor to the clutch housing. 

2. Tighten CKP sensor by a bolt with specified

tightening torque.  

Tightening Torque 

•  Bolts: 8.0 - 12.0 N.m (0.8 - 1.2 kgf.m)  
3. Connect a CKP sensor connector to the CKP

sensor. 

4.  Connect the negative battery cable. 

 

6E-280  Engine Control System (4JH1) 

EGR Solenid Valve Replacement 

Removal Procedure 

1.  Disconenct the negative battery cable. 

2. 

Disconnect a EGR solenoid valve harness

connector. 

3. Disconnect two hoses from the EGR solenoid

valve. 

4. Loosen two bolts and remove the EGR solenoid

valve from the bracket. 

 
 

 
 

 

 

 

Installation Procedure 

1.  Tighten the purge solenoid by tow bolts. 

2.  Connect a connector to the EGR solenoid valve. 

3.  Connect two hoses to the EGR solenoid valve. 

4.  Connect the negative battery cable. 

 

Engine Coolant Temperature (ECT) Sensor 
Replacement 

1. Removal Procedure 

2.  Disconnect the negative battery cable. 

3. Drain enough engine coolant so that the coolant

level will be below the ECT sensor.  

4.  Disconnect connector from the ECT sensor. 

5. Loosen and remove the ECT sensor from the

thermostat housing. 

 

Notice: Cool down the engine before above procedures

are carried out. 

 

 

 

 

 
 

 

 
 

 

Installation Procedure 

1.  Apply sealer to threads of screw at the ECT

sensor. 

2.  Tighten the ECT sensor with specified tightening

torque.  

Tightening Torque 

•  Bolt: 13 N.m (1.3 kgf.m)  
3. Connect a ECT sensor connector to the ECT

sensor. 

4.  Fill the engine coolant. 

5.  Connect the negative battery cable. 

 

Notice: Verify no engine coolant leaking from the

sensor threads after replacement. 

 

Mass Air Flow (MAF) / Intake Air 
Temperature (IAT) Sensor Replacement 

Removal Procedure 

1.  Disconnect the negative battery cable. 

2.  Disconnect a MAF & IAT sensor connector from

the MAF & IAT sensor assembly. 

3. Loosen the clips and remove the MAF & IAT

sensor assembly from the intake duct housing. 

 

 

Engine Control System (4JH1)  6E-281 

 

 
 
 

 
 

 

Installation Procedure 

1.  Install the MAF & IAT sensor assembly into intake

air duct. 

2.  Tighten the clips. 

3.  Connect a MAF & IAT sensor connector to the MAF

& IAT sensor assembly.  

4.  Connect the negative battery cable. 

 

Turbocharger Solenoid Valve Replacement
[High Altitude Spec] 

Removal Procedure 

1.  Disconnect the negative battery cable. 

2. 

Disconnect a harness connector from the

turbocharger solenoid valve. 

3. Disconnect two hoses from the turbocharger

solenoid valve. 

4.  Loosen a nut and remove the turbocharger solenoid

valve from the bracket. 

 

 

 

 

RTW66ESH004001

 

Legend 
  1.  Vaccum Pressure Sensor  

 2. To 

Turbocharger 

  3.  EGR Solenoid Valve 

  4.  To Vacuum Regulating Valve 

  5.  Turbocharger Solenoid Valve 

 

 
Installation Procedure 

1.  Set the turbocharger solenoid valve on the bracket

and tighten a nut. 

2.  Connect a harness connector to the turbocharger

solenoid valve. 

3. Connect two hoses to the turbocharger solenoid

valve. 

4.  Connect the negative battery cable. 

 
Vacuum Pressure Sensor Replacement 
[High Altitude Spec] 

Removal Procedure 

1.  Disconnect the negative battery cable. 

2.  Disconnect a harness connector from the vacuum

pressure sensor. 

3.  Loosen a bolt and remove the vacuum pressure

sensor from the bracket. 

 
 

 

 

 

RTW66ESH004001

Legend 
  1.  Vaccum Pressure Sensor  

 2. To 

Turbocharger 

  3.  EGR Solenoid Valve 

  4.  To Vacuum Regulating Valve 

  5.  Turbocharger Solenoid Valve 

 

 

 

 

 

 

 

 

 

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