2006 TOYOTA RAV4 Ocv filter

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Page 81 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
285EG77
Main Oil Hole
Cylinder Head
(for Left Bank)
Oil
Filter
Exhaust
Camshaft
Timing OCV*
Intake
Camshaft
Timing OCV*
Oil
PumpExhaust
VVT-i
Controller
Intake
VVT-i
Controll

Page 1946 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–582AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may be different than your
readings depending on the type of instrument and

Page 1962 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–742AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
MONITOR DESCRIPTION
The ECM optimizes the intake valve timing using the VVT (Variable Valve Timing) system to control the
intake camshaft. The

ES–742AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
MONITOR DESCRIPTION
The ECM optimizes the intake valve timing using the VVT (Variable Valve Timing) system to control the
intake camshaft. The VVT system includes the ECM, the Oil Control Valve (OCV) and the VVT controller.
The ECM sends a target duty-cycle control signal to the OCV. This control signal regulates the oil
pressure supplied to the VVT controller. The VVT controller can advance or retard the intake camshaft.
If the difference between the target and actual intake valve timings is large, and changes in the actual
intake valve timing are small, the ECM interprets this as the VVT controller stuck malfunction and sets a
DTC.
Example:
A DTC is set when the following conditions 1, 2 and 3 are met:
1. The difference between the target and actual intake valve timing is more than 5
CA (Crankshaft
Angle) and the condition continues for more than 4.5 seconds.
2. It takes 5 seconds or more to change the valve timing by 5
CA.
3. After above conditions 1 and 2 are met, the OCV is forcibly activated 63 times or more.
DTC P0011 (Advanced Cam Timing) is subject to 1 trip detection logic.
DTC P0012 (Retarded Cam Timing) is subject to 2 trip detection logic.
These DTCs indicate that the VVT controller cannot operate properly due to OCV malfunctions or the
presence of foreign objects in the OCV.
The monitor will run if all of the following conditions are met:
– The engine is warm (the engine coolant temperature is 75
C [167F] or more).
– The vehicle has been driven at more than 64 km/h (40 mph) for 3 minutes.
– The engine has idled for 3 minutes.
MONITOR STRATEGY
DTC No. DTC Detection Conditions Trouble Areas
P0011Advanced camshaft timing:
With warm engine and engine speed of between 550 rpm and
4,000 rpm, all conditions (1), (2) and (3) met (1 trip detection
logic):
1. Difference between target and actual intake valve timings
more than 5
CA (Crankshaft Angle) for 4.5 seconds
2. Current intake valve timing fixed (timing changes less than
5
CA in 5 seconds)
3. Variations in VVT controller timing more than 19
CA of
maximum delayed timing (malfunction in advance timing)• Valve timing
•OCV
• OCV filter
• Camshaft timing gear assembly
•ECM
P0012Retarded camshaft timing:
With warm engine and engine speed of between 550 rpm and
4,000 rpm, all conditions (1), (2) and (3) met (2 trip detection
logic):
1. Difference between target and actual intake valve timings
more than 5
CA (Crankshaft Angle) for 4.5 seconds
2. Current intake valve timing fixed (timing changes less than
5
CA in 5 seconds)
3. Variations in VVT controller timing 19CA or less of
maximum delayed timing (malfunction in retarded timing)• Valve timing
•OCV
• OCV filter
• Camshaft timing gear assembly
•ECM
Related DTCsP0011: Advanced camshaft timing
P0012: Retarded camshaft timing
Required Sensors/Components (Main) VVT OCV and VVT Actuator
Required Sensors/Components (Related)Crankshaft position sensor, camshaft position sensor and Engine
coolant temperature sensor
Frequency of Operation Once per driving cycle
Duration Within 10 seconds
MIL OperationAdvanced camshaft timing: Immediate
Retarded camshaft timing: 2 driving cycles
Sequence of Operation None

Page 1965 of 2000

TOYOTA RAV4 2006 Service Repair Manual 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–77
ES
(a) Remove the cylinder head cover.
(b) Turn the crankshaft pulley, and align its groove with the
timing mark "0" on the timing chain c

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