NPR L4-5.2L DSL Turbo (2005)
Cruise Control: Service and Repair
Cruise Control Option Programming
The Cruise Control Option Programming must be done when any of the following procedures are performed:
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When the ECM is replaced.
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When change of the minimum cruise control speed is needed.
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When change of the maximum cruise control speed is needed.
The operational speed range of the cruise control system can change by request of a user within the following allowable range.
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Minimum: 25MPH (40km/h)
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Maximum: 75MPH (120km/h)
Cruise Control Option Programming Procedure
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.
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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".
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 programmed cruise control option value 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 > F2: Cruise Control Options.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview
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.
9. Perform test drive and verify the cruise control system.