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Output Check Diagnosis (Output Diagnostic Test Mode): 2.8L

  1. Ensure battery voltage and fuse No. 22 are okay. Ensure engine ground connections at cylinder head cover and manifold are okay.
  2. Ensure ignition is off. Connect scan tool to DLC. See Figure and Figure . Scan tool should alternately display 1-RAPID DATA TRANSFER and 2-BLINK CODE OUTPUT.
  3. Turn ignition on, or start engine, depending on function being selected. See SELECTABLE FUNCTIONS  table under ENTERING SELF-DIAGNOSTICS. Press "1" button to select RAPID DATA TRANSFER function.
  4. Press "0" and "3" buttons to select OUTPUT DIAGNOSTIC TEST MODE (DTM) function. Press "Q" button to enter input. OUTPUT DIAGNOSTIC TEST MODE will be displayed on scan tool.
  5. Output DTM actuates following components in sequence:
    • Cylinder No. 1 fuel injector.
    • Cylinder No. 2 fuel injector.
    • Cylinder No. 3 fuel injector.
    • Cylinder No. 4 fuel injector.
    • Cylinder No. 5 fuel injector.
    • Cylinder No. 6 fuel injector.
    • EVAP canister purge regulator valve.
    • Secondary air injection solenoid valve.
    • Secondary air injection pump relay.
    • EVAP canister purge solenoid valve.
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