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Home >> Mazda Truck >> 2000 >> B2500 SE Regular Cab 2WD L4-2.5L VIN C >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Reading Diagnostic Trouble Codes >> Key on Engine Running (KOER) Self-Test Procedure

Key on Engine Running (KOER) Self-Test Procedure

NOTE:
- Make sure the A/C switch is OFF during KOER Self-Test. If the A/C switch is ON during this test, DTC P1464 will be indicated on the NGS tester.-The brake pedal must be depressed and released after KOER Self-Test is initiated. If not performed, DTC P1703 will be indicated on the NGS tester.
- The steering wheel must be turned to the right and left after KOER Self-Test is initiated. If not performed, DTC P1650 will be indicated on the NGS tester.
- Start the engine and bring up to normal operating temperature before running the KOER Self- Test.

1. Perform the "New Generation Star (NGS) Tester Hook-Up Procedure".




2. Move the cursor to KOER ON-DEMAND SELF- TEST. Press the trigger to enter this selection.
3. Start engine and bring up to normal operating temperature. Press START.
4. Follow operating instructions from the menu, perform Brake On/Off (BOO) switch, O/D OFF switch and power steering pressure (PSP) switch cycling test, if equipped.
5. Note any KOER DTCs.
6. Press CANCEL several times to return to the main menu.

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