- 2005 Isuzu Npr Service Manual Pdf
- 2005 Isuzu Npr Service Manual 2016
- 2005 Isuzu Npr Service Manual Power Steering Pump Replacement
- 2011 Isuzu Npr Service Manual
- Isuzu Npr Parts Manual
Important: DO NOT program the fuel injector flow rate unless you are directed by a service procedure or you are directed by a service bulletin.
Programming the fuel injector at any other time will not permanently correct a customers concern.
Programming the fuel injector at any other time will not permanently correct a customers concern.
Ensure the following conditions are met before programming the ECM.
2005 Isuzu Npr Service Manual Pdf
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Vehicle system voltage
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There is no charging system concern. All charging system concerns must be repaired before programming the ECM.
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Battery voltage is greater than 12 volts but less than 16 volts. The battery must be charged before programming the ECM if the battery voltage
is low.
is low.
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A battery charger is NOT connected to the vehicle's battery. Incorrect system voltage or voltage fluctuations from a battery charger may cause
programming failure or ECM damage.
programming failure or ECM damage.
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Turn OFF or disable and system that may put a load on the vehicle's battery.
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Headlights
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Room lights
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Accessory equipment
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The ignition switch is in the proper position. DO NOT change the position of the ignition switch during the programming procedure, unless
instructed to do so.
instructed to do so.
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All tool connections are secure.
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RS-232
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The connection at the data link connector (DLC) is secure.
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Voltage supply circuit
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DO NOT disturb the tool harness while programming. If an interruption occurs during the programming procedure, programming failure or ECM
damage may occur.
damage may occur.
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Surrounding environment
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Surrounding temperature is more than 32째 (0째C) but less than 122 째F (50째 C) during the programming procedure. Excessively low or high
temperature may cause the programming failure or ECM damage.
temperature may cause the programming failure or ECM damage.
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Electromagnetic interference (EMI) on the tool harness and ECM may cause the programming failure or ECM damage.
Fuel Injector Flow Rate Programming Procedure
Yosemite os x. 1. Connect the scan tool to the data link connector.
2. Connect the RS-232 to the scan tool and PC.
3. Start TIS 2000 and select the Service Programming System (SPS).
4. In the 'Select Diagnostic Tool and Programming Process' screen, select the following menu.
2. Connect the RS-232 to the scan tool and PC.
3. Start TIS 2000 and select the Service Programming System (SPS).
4. In the 'Select Diagnostic Tool and Programming Process' screen, select the following menu.
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Diagnostic tool 'Pass-Thru'.
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Select Programming Process 'Reprogram ECU'.
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ECU Location on the 'Vehicle'. Then, follow the SPS screen instructions.
5. Ensure that ALL programming contents are entered correctly and were programmed successfully by turning OFF the ignition for 30 seconds.
6. Using the scan tool to check each programmed fuel injector flow rate following this navigation: Diagnostics > (5) 2005 > Isuzu > NPR/NQR/NRR
6. Using the scan tool to check each programmed fuel injector flow rate following this navigation: Diagnostics > (5) 2005 > Isuzu > NPR/NQR/NRR
> F0: Powertrain > (6) 5.2L L4 Diesel > Automatic or Manual > F2: Special Functions > F5: Option Programming > F0: Injector Flow Rates.
7. Start the engine and let idle.
8. Inspect for a proper engine running condition and for no DTCs. Refer to the Diagnostic System Check - Engine Control if needed. See: Computers
8. Inspect for a proper engine running condition and for no DTCs. Refer to the Diagnostic System Check - Engine Control if needed. See: Computers
and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview
< PREV PAGENEXT PAGE >4. Apply white paint to the top of the fuel supply pump gear tooth directly above the stamped 'O' mark. Refer to the illustration.
5. Turn the crankshaft in the normal direction of engine rotation until the No. 1 or No. 4 cylinder is at TDC on the compression stroke. Refer to the
illustration.
NOTE:
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There are 2 timing marks on the crankshaft pulley.
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Mark (1) is near the front cover and is used to bring the 4HK1-TC engine to TDC.
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2005 Isuzu Npr Service Manual 2016
Mark (2) is not applicable to this engine.
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2005 Isuzu Npr Service Manual Power Steering Pump Replacement
Be sure to use mark (1) when bringing the engine to TDC.
2011 Isuzu Npr Service Manual
6. Remove the oil drain adapter.
7. Install the O-ring to the fuel supply pump.
8. Align the slits as shown in the illustration.
9. Insert the stud bolts into the guides and temporarily tighten them.
7. Install the O-ring to the fuel supply pump.
8. Align the slits as shown in the illustration.
9. Insert the stud bolts into the guides and temporarily tighten them.
CAUTION:
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Isuzu Npr Parts Manual
If the stud bolts (cylinder block side) have been loosened or replaced, apply Loctite 262 to the recessed portion of the bolts.