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Home >> Suzuki >> 2006 >> Aerio SX, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0335: Crankshaft Position Sensor Circuit >> DTC Troubleshooting
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DTC Troubleshooting

DIAGNOSIS PROCEDURE

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  Check CKP sensor and starter motor (1) for resistance 
  1. Disconnect CKP sensor connector with ignition switch turned OFF.
  2. Then check for proper connection to CKP sensor connector at "BLK/RED" and "BRN" wire terminals.
  3. If OK, measure sensor resistance between terminals.

CKP sensor resistance 
484 - 656 kohm at 20°C, 68°F 
G04589467

  1. 4) Measure resistance between each terminal and ground.

Between CKP sensor terminal and ground resistance 1 Mohm or more  .
Were measured resistance valves in step 3 and 4 as specified? 		 Go to Step 3. Replace CKP sensor.
3  Check ECM voltage 
  1. Turn ON ignition switch, check voltage between "BLK/RED" wire terminal of CKP sensor connector and engine ground and between "BRN" wire terminal of CKP sensor connector and engine ground.

Is voltage about 0 V at each terminal? 		 Go to Step 4. "BLK/RED" and/or "BRN" wire shorted to power supply circuit.
If wires are OK, substitute a known-good ECM and recheck.
4  Check ECM circuit 
  1. Turn OFF ignition switch, check that there is continuity between "BLK/RED" wire terminal of CKP sensor connector and engine ground and between "BRN" wire terminal of CKP sensor connector and engine ground.

Is there continuity? 		 Go to Step 5. Open wire in "BLK/RED" and/or "BRN" circuit. If wires are OK, substitute a known-good ECM and recheck.
5  Check wire circuit 
  1. Disconnect connectors from ECM with ignition switch turned OFF.
  2. Measure resistance between "C45-27" terminal of CKP sensor connector and body ground and between "C45-34" terminal of CKP sensor connector and body ground.

Is resistance infinity? 		 Go to Step 6. "BLK/RED" and/or "BRN" wire shorted to ground circuit.
6  Check wire circuit 
  1. Connect connector to CKP sensor with ignition switch turned OFF.
  2. Measure resistance between "C45-27" and "C45-34" terminals of ECM connector.

Is resistance below 670 ohm at 20°C, 68°F? 		 Go to Step 7. High resistance wire in "BLK/RED" and/or "BRN" circuit.
7  Check visually CKP sensor and sensor plate (5) 
  • Damage
  • No foreign material attached
  • Correct installation
G04589468

Are they in good condition? 		 Intermittent trouble. Check for intermittent referring to INTERMITTENT AND POOR CONNECTION INSPECTION . Substitute a known-good ECM and recheck. Clean, repair or replace.
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