Toyota Venza manuals

Toyota Venza: Camshaft Position "A" Actuator Circuit (Bank 1) (P0010)

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / Camshaft Position "A" Actuator Circuit (Bank 1) (P0010)

DESCRIPTION

The Variable Valve Timing (VVT) system adjusts the intake valve timing to improve driveability. The engine oil pressure turns the VVT controller to adjust the valve timing.

The camshaft timing oil control valve assembly is a solenoid valve and switches the engine oil line. The valve moves when the ECM applies 12 V to the solenoid. The ECM changes the energizing time to the solenoid (duty-cycle) in accordance with the camshaft position, crankshaft position, throttle position, etc.


DTC No.

DTC Detection Condition

Trouble Area

P0010

Open or short in camshaft timing oil control valve (for intake camshaft) circuit

(1 trip detection logic)

  • Open or short in camshaft timing oil control valve assembly (for intake camshaft) circuit
  • Camshaft timing oil control valve assembly (for intake camshaft)
  • ECM

MONITOR DESCRIPTION

This DTC is designed to detect open or short in the camshaft timing oil control valve assembly (for intake camshaft) circuit. If the camshaft timing oil control valve's duty-cycle is excessively high or low while the ignition switch is ON or the engine is running, the ECM will illuminate the MIL and set the DTC.

MONITOR STRATEGY

Related DTCs

P0010: Camshaft Timing Oil Control Valve Range Check

Required Sensors/Components (Main)

Camshaft timing oil control valve assembly

Required Sensors/Components (Related)

-

Frequency of Operation

Continuous

Duration

1 second

MIL Operation

Immediate

Sequence of Operation

None

TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not stored

None

All of the following conditions are met

-

Starter

OFF

Ignition switch

ON

Time after ignition switch off to ON

0.5 seconds or more

Either of the following conditions is met

A or B

A. All of the following conditions are met

-

(a). Battery voltage

11 V or more, and less than 13 V

(b). Target duty cycle

Less than 70%

(c). Current cut status

Not cut

B. All of the following conditions are met

-

(a). Battery voltage

13 V or more

(b). Target duty cycle

Less than 80%

(c). Current cut status

Not cut

TYPICAL MALFUNCTION THRESHOLDS

Camshaft position actuator status from actuator driver MIC

Fail

COMPONENT OPERATING RANGE

Camshaft position actuator status from actuator driver MIC

Pass

CONFIRMATION DRIVING PATTERN

  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure) (See page ).

  4. Turn the ignition switch off and wait for at least 30 seconds.
  5. Turn the ignition switch to ON and turn the Techstream on.
  6. Wait 5 seconds.
  7. Enter the following menus: Powertrain / Engine / Trouble Codes.
  8. Read Pending DTCs.

    HINT:

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  9. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  10. Input the DTC: P0010.
  11. Check the DTC judgment result.

    Techstream Display

    Description

    NORMAL

    • DTC judgment completed
    • System normal

    ABNORMAL

    • DTC judgment completed
    • System abnormal

    INCOMPLETE

    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions

    N/A

    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  12. If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs (See page ).

    HINT:

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

HINT:

  • If DTC P0010 is displayed, check the VVT system (for intake camshaft) circuit.
  • Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY)

(a) Connect the Techstream to the DLC3.

(b) Start the engine.

(c) Turn the Techstream on.

(d) Turn the A/C switch on.

(e) Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Linear (Bank 1).

(f) Check the engine speed while operating the camshaft timing oil control valve assembly (for intake camshaft) using the Techstream.

OK:

Techstream Operation

Specified Condition

0%

Normal engine speed

100%

Engine idles roughly or stalls

HINT:

If the result is not acceptable, cool the engine (engine coolant temperature is 50°C (122°F) or less) and perform the Active Test again.


OK

CHECK FOR INTERMITTENT PROBLEMS


NG

2.

INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR INTAKE CAMSHAFT)

(a) Inspect the camshaft timing oil control valve assembly (for intake camshaft) (See page ).



NG

REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR INTAKE CAMSHAFT)


OK

3.

CHECK HARNESS AND CONNECTOR (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR INTAKE CAMSHAFT) - ECM)

(a) Disconnect the camshaft timing oil control valve assembly (for intake camshaft) connector.

(b) Disconnect the ECM connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):

Tester Connection

Condition

Specified Condition

B53-1 - B58-36 (OC1+)

Always

Below 1 Ω

B53-2 - B58-59 (OC1-)

Always

Below 1 Ω

Standard Resistance (Check for Short):

Tester Connection

Condition

Specified Condition

B53-1 or B58-36 (OC1+) - Body ground

Always

10 kΩ or higher

B53-2 or B58-59 (OC1-) - Body ground

Always

10 kΩ or higher


OK

REPLACE ECM


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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