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Home >> Acura >> 1987 >> Integra LS, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Engine Control System >> Testing >> Code 8 - TDC Sensor

Code 8 - TDC Sensor

  1. Turn ignition off. Disconnect hazard fuse at battery positive terminal for 10 seconds to reset ECU. Start engine and check for PGM-FI warning light on or off. If light is off, test drive and check again.
  2. If light is on, turn engine off. Disconnect sensor connector nearest sensor. Measure resistance between Brown and Blue terminal. If ohm reading is not 650-850 ohms, replace sensor. If ohm reading is within specifications, proceed to next step.
  3. Check continuity between ground and Brown terminal. Check continuity between ground and Blue terminal. If continuity exists, replace sensor. If no continuity exists, proceed to next step.
  4. Reconnect sensor connector. Attach system checker harness to right side wire harness only, not to ECU. Using an ohmmeter, check resistance between connector terminal No. C3 and C4. Resistance should be 500-1000 ohms.
  5. If resistance not within specifications, repair open in Brown and/or Blue wire. If resistance is within specifications, connect a known good ECU and recheck. Replace ECU if original is defective.
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