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Key ON, Engine Running 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.
    Fig 1: Identifying NGS Tester - KOER On-Demand Self-Test
    G03988101Courtesy of MAZDA MOTORS CORP.
  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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