Toyota Venza: Camshaft Position "B" Actuator Circuit / Open (Bank 1) (P0013)

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / Camshaft Position "B" Actuator Circuit / Open (Bank 1) (P0013)

DESCRIPTION

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

The camshaft timing oil control valve 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
P0013	Open or short in camshaft timing oil control valve (for exhaust camshaft) circuit (1 trip detection logic)	Open or short in camshaft timing oil control valve assembly (for exhaust camshaft) circuit Camshaft timing oil control valve assembly (for exhaust camshaft) ECM

DTC No.

DTC Detection Condition

Trouble Area

P0013

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

(1 trip detection logic)

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

MONITOR DESCRIPTION

This DTC is designed to detect open or short in the camshaft timing oil control valve (for exhaust camshaft) circuit. If the camshaft timing oil control valve assembly'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	P0013: Exhaust Camshaft Timing Oil Control Valve Range Check
Required Sensors/Components (Main)	Exhaust camshaft timing oil control valve
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 following conditions met	-
Starter	OFF
Ignition switch	ON
Time after ignition switch off to ON	0.5 seconds or more

Case 1

Either of the following conditions is met	A or B
A. Both of the following conditions are met	-
Battery voltage	11 V or more, and less than 13 V
Target duty cycle	Less than 70%
B. Both of the following conditions are met	-
Battery voltage	13 V or more
Target duty cycle	Less than 80%

Case 2

Current cut status

Not cut

TYPICAL MALFUNCTION THRESHOLDS

Case 1

Output duty cycle

100% or more

Case 2

Output duty cycle

3% or less

COMPONENT OPERATING RANGE

Output duty cycle

More than 3%, and less than 100%

CONFIRMATION DRIVING PATTERN

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

Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch to ON and turn the Techstream on.
Wait 5 seconds.
Enter the following menus: Powertrain / Engine / Trouble Codes.
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.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P0013.

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.

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 P0013 is output, check the VVT system (for exhaust 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 be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.

PROCEDURE

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

(a) Connect the Techstream to the DLC3.

(b) Start the engine.

(d) Turn the A/C switch on.

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

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

CHECK FOR INTERMITTENT PROBLEMS

2.	INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT)

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

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

3.	CHECK HARNESS AND CONNECTOR (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT) - ECM)

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

(b) Disconnect the ECM connector.

Standard Resistance (Check for Open):

Tester Connection	Condition	Specified Condition
B54-1 - B58-35 (OE1+)	Always	Below 1 Ω
B54-2 - B58-58 (OE1-)	Always	Below 1 Ω

Standard Resistance (Check for Short):

Tester Connection	Condition	Specified Condition
B54-1 or B58-35 (OE1+) - Body ground	Always	10 kΩ or higher
B54-2 or B58-58 (OE1-) - Body ground	Always	10 kΩ or higher

REPLACE ECM

REPAIR OR REPLACE HARNESS OR CONNECTOR

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