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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1143 Or DTC P1163 >> DTC Confirmation Test (Using Generic Scan Tool)

DTC Confirmation Test (Using Generic Scan Tool)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm up to normal operating temperature.
  2. Set voltmeter probes between engine ground and ECM harness connector F101 terminal No. 91 (Bank 1 HO2S1 signal) or No. 92 (Bank 2 HO2S1 signal).
  3. Check one of the following with engine speed held at 2000 RPM constant under no load:
    • Maximum voltage is more than 0.6 volt at least one time.
    • Minimum voltage is more than 0.1 volt at least one time.
  4. If voltage reading is not as specified, go to DIAGNOSTIC PROCEDURE  .
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