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Home >> Geo >> 1996 >> Prizm Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P0335 - Crankshaft Position (CKP) Sensor Circuit >> Diagnosis & Repair
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Diagnosis & Repair

  1. Connect scan tool to DLC. Turn ignition on. Select CLEAR INFORMATION function. Using scan tool, place vehicle into CHECK MODE. Operate vehicle within FREEZE FRAME conditions. If DTC P0335 resets, go to next step. If DTC P0335 does not reset, check for an intermittent problem. See TESTS W/O CODES article.
  2. Turn ignition off. Disconnect CKP sensor harness connector. Using an ohmmeter, measure resistance of CKP sensor. If resistance is 1630-2740 ohms at 122°F (50°C) or 2065-3225 ohms at 212°F (100°C), go to next step. If resistance is not as specified, replace CKP sensor. Retest system.
  3. Disconnect PCM harness connector. Check for an open or short in CKP sensor circuit. Repair as necessary. If circuit is okay, go to next step.
  4. Check CKP sensor and PCM connections. Repair as necessary. If connections are okay, replace PCM. Retest system.
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