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Home >> Toyota >> 2001 >> 4Runner Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics >> Diagnostic Tests >> DTC P1130: Air/Fuel Sensor Circuit Range/Performance >> Test Drive Confirmation
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Test Drive Confirmation

  1. Test drive confirmation may be performed to operate vehicle under conditions which may cause DTC to be set. If using Toyota hand-held tester, go to next step. If Toyota hand-held tester is not available, go to step  4.
  2. Connect hand-held tester to Data Link Connector (DLC) No. 3. See Figure. Switch hand-held tester from NORMAL mode to CHECK mode.
  3. Start engine and warm engine to normal operating temperature. Ensure all accessories are off. Drive vehicle at 38-75 MPH with engine speed of 1600-3200 RPM for 3-5 minutes. Check operation of Malfunction Indicator Light (MIL). If MIL illuminates, malfunction exists and DTC is set. If MIL does not illuminate, malfunction does not exist.
  4. Start engine and warm engine to normal operating temperature. Ensure all accessories are off. Drive vehicle at 38-75 MPH with engine speed of 1600-3200 RPM for 3-5 minutes.
  5. Turn ignition off. Repeat step  4 again and then check operation of Malfunction Indicator Light (MIL). If MIL illuminates, malfunction exists and DTC is set. If MIL does not illuminate, malfunction does not exist.
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