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Home >> Toyota >> 2006 >> Corolla CE, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (SFI) (2ZZ-GE) - Diagnostics) >> DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) >> Inspection Procedure >> OBD II scan tool (excluding the hand-held tester):

OBD II scan tool (excluding the hand-held tester):

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSY (OPERATE OCV) 
    1. Disconnect the C2 Oil Control Valve (OCV) connector.
    2. Apply positive battery voltage between the terminals of the OCV.
    3. Check the engine speed.

      OK: Rough idling, or the engine stalls. 

    4. Reconnect the OCV connector.
      Fig 1: Identifying Terminals Of OCV Connector
      G02599176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSY 
    2. OK: GO TO NEXT STEP 
  2. INSPECT ECM (OCV SIGNAL) 
    1. Inspect the ECM using an oscilloscope.
    2. While idling, check the waveform between the terminals of the E3 ECM connector.

      Standard: 

      ECM (OCV SIGNAL) TESTER CONNECTION AND SPECIFIED CONDITIONS

      Tester Connections Specified Conditions
      OC1 + (E3-14) - OC1 - (E3-13) Correct waveform is as shown
      Fig 2: Inspecting ECM (OCV Signal)
      G02599177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE ECM (See  ECM (1ZZ-FE/2ZZ-GE) REPLACEMENT  ) 
    2. OK: GO TO NEXT STEP 
  3. CHECK HARNESS AND CONNECTOR (CAMSHAFT TIMING OIL CONTROL VALVE (OCV) - ECM) 
    1. Disconnect the C2 OCV connector.
    2. Disconnect the E3 ECM connector.
    3. Check the resistance.

      Standard (Check for open): 

      CAMSHAFT TIMING OIL CONTROL VALVE (OCV) - ECM RESISTANCE (CHECK FOR OPEN)

      Tester Connection Specified Condition
      Oil control valve (C2-1) - OC1 + (E3-14) Below 1 Ω
      Oil control valve (C2-2) - OC1 - (E3-13) Below 1 Ω
      Fig 3: Identifying Terminals Of OCV Connector
      G02599178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard (Check for short): 

      CAMSHAFT TIMING OIL CONTROL VALVE (OCV) - ECM RESISTANCE (CHECK FOR SHORT)

      Tester Connection Specified Condition
      Oil control valve (C2-1) or OC1 + (E3-14) - Body ground 10 kΩ or higher
      Oil control valve (C2-2) or OC1 - (E3-13) - Body ground 10 kΩ or higher
    4. Reconnect the OCV connector.
    5. Reconnect the ECM connector.
      Fig 4: Disconnecting E3 ECM Connector
      G02599179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: GO TO NEXT STEP 

      CHECK FOR INTERMITTENT PROBLEMS  

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