Engine Control System (1AR-FE) (Service Information): Removal & Installation Toyota Venza I

INSTALLATION

1. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side) Apply a light coat of engine oil to a new O-ring, and install it to the oil control valve. TEXT IN ILLUSTRATION *1 New O-ring Install the oil control valve with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: Do not allow foreign matter to contact the oil seal face of the oil control valve (connecting surface with cylinder head cover). Be careful that the O-ring is not cracked or moved out of place when installing the oil control valve. Connect the oil control valve connector.
2. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side) Apply a light coat of engine oil to a new O-ring, and install it to the oil control valve. TEXT IN ILLUSTRATION *1 New O-ring Install the oil control valve with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: Do not allow foreign matter to contact the oil seal face of the oil control valve (connecting surface with cylinder head cover). Be careful that the O-ring is not cracked or moved out of place when installing the oil control valve. Connect the oil control valve connector.
3. INSPECT FOR OIL LEAK
4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)

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1. INSTALL THROTTLE BODY ASSEMBLY Install a new gasket to the intake manifold. Install the fuel tube bracket with the bolt. Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) Install the throttle body assembly with the 4 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Connect the 2 water by-pass hoses to the throttle body. Connect the throttle body assembly connector. Connect the fuel tube to the clamp.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY Connect the air-cleaner cap sub-assembly to the throttle body assembly and lock the hose band. Install the air cleaner cap sub-assembly with the 2 bolts. Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) Connect the ventilation hose to the cylinder head cover. Connect the mass air flow meter connector and install the wire harness clamp to the air cleaner cap. Install the hose to the hose clamp.
3. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY . Refer to «INSTALLATION - Step 1»(ref-394773-S31790621482011040800000)
4. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 4»(ref-394767-S31646656722011040800000)
5. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-394798-S13713067592011040800000)
6. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)
7. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 109»(ref-394763-S28182356332011040800000)
8. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 12»(ref-394797-S21120403412011040800000)
9. INSTALL WINDSHIELD WIPER MOTOR AND LINK Install the windshield wiper motor and link. Refer to «INSTALLATION»(ref-394796-S20384653202011040800000) .
10. INSTALL NO. 2 ENGINE UNDER COVER
11. INSTALL NO. 1 ENGINE UNDER COVER
12. PERFORM INITIALIZATION NOTE: Perform the following procedure after replacing the ECM, throttle body assembly or any throttle body components. The following procedure should also be performed if the throttle body is cleaned. Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable. NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-394610-S11154682782011040800000) . Turn the ignition switch to ON without operating the accelerator pedal. NOTE: If the accelerator pedal is operated, perform the above steps again. Connect the Techstream to the DLC3 and clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-394618-S22943830982011040800000) . Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range when the A/C is switched off. Standard Condition Engine Idle Speed A/C switched off 600 to 700 rpm NOTE: Be sure to perform this step with all accessories off. Make sure that the shift lever is in N. Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Sensor Position. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or more. Perform a road test and confirm that there are no abnormalities.

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1. REMOVE WINDSHIELD WIPER MOTOR AND LINK Remove the windshield wiper motor and link. Refer to «REMOVAL»(ref-394796-S31882693302011040800000) .
2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 10»(ref-394797-S13738826852011040800000)
3. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 6»(ref-394763-S40915038152011040800000)
4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 27»(ref-394763-S40915038152011040800000)
5. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-394610-S11154682782011040800000) .
6. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY . Refer to «REMOVAL - Step 1»(ref-394773-S02616430312011040800000)
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY See step 9
8. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY . Refer to «REMOVAL - Step 31»(ref-394763-S40915038152011040800000)
9. REMOVE AIR CLEANER CASE SUB-ASSEMBLY . Refer to «REMOVAL - Step 32»(ref-394763-S40915038152011040800000)
10. REMOVE AIR CLEANER BRACKET Remove the 2 bolts and air cleaner bracket.
11. REMOVE ECM Separate the 3 wire harness clamps. Raise the 2 levers while pushing the locks on the levers, and disconnect the 2 ECM connectors. NOTE: After disconnecting each connector, make sure that dirt, water or other foreign matter does not contact the connecting part of the connector. Remove the 3 bolts and the ECM with bracket. Remove the 5 screws and the ECM bracket.

Scheme 30

1. INSTALL ECM Install the bracket to the ECM with the 5 screws. Install the ECM with the 3 bolts. Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) Connect the 2 ECM connectors and lower the 2 levers. NOTE: When connecting the connector, make sure that dirt, water or other foreign matter does not become stuck between the connector and other part. Make sure that the 2 levers are securely lowered. Install the 3 wire harness clamps.
2. INSTALL AIR CLEANER BRACKET Install the air cleaner bracket with the 2 bolts. Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)
3. INSTALL AIR CLEANER CASE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 70»(ref-394763-S28182356332011040800000)
4. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY . Refer to «INSTALLATION - Step 71»(ref-394763-S28182356332011040800000)
5. INSTALL AIR CLEANER CAP SUB-ASSEMBLY See step 2
6. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY . Refer to «INSTALLATION - Step 1»(ref-394773-S31790621482011040800000)
7. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)
8. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 12»(ref-394797-S21120403412011040800000)
9. INSTALL WINDSHIELD WIPER MOTOR AND LINK Install the windshield wiper motor and link. Refer to «INSTALLATION»(ref-394796-S20384653202011040800000) .
10. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 109»(ref-394763-S28182356332011040800000)
11. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL WARNING: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-394610-S11154682782011040800000) .
12. PERFORM REGISTRATION The Vehicle Identification Number (VIN) must be input into a replacement ECM. Refer to «REGISTRATION»(ref-394618-S05293319372011040800000) .

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1. INSTALL ACCELERATOR PEDAL SENSOR ASSEMBLY Install the accelerator pedal sensor assembly with the 2 bolts. Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) NOTE: Avoid physical shocks to the accelerator pedal sensor assembly. Connect the accelerator pedal sensor assembly connector.

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1. INSTALL MASS AIR FLOW METER SUB-ASSEMBLY Install the mass air flow meter with the 2 screws. NOTE: Make sure that the O-ring is not cracked or jammed when installing the mass air flow meter. Connect the mass air flow meter connector.

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1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 27»(ref-394763-S40915038152011040800000)
2. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side) Disconnect the sensor connector. Remove the bolt and sensor.
3. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) Disconnect the sensor connector. Remove the bolt and sensor.

Scheme 36

1. INSTALL CAMSHAFT POSITION SENSOR (for Exhaust Side) Apply a light coat of engine oil to the O-ring of the sensor. NOTE: Make sure that the O-ring is not cracked or does not jump out of position during installation. Apply adhesive to 2 or 3 threads of the bolt. TEXT IN ILLUSTRATION *1 Adhesive Adhesive Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent. Install the sensor with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
2. INSTALL CAMSHAFT POSITION SENSOR (for Intake Side) Apply a light coat of engine oil to the O-ring of the sensor. NOTE: Make sure that the O-ring is not cracked or does not jump out of position during installation. Apply adhesive to 2 or 3 threads of the bolt. TEXT IN ILLUSTRATION *1 Adhesive Adhesive Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent. Install the sensor with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
3. INSPECT FOR OIL LEAK
4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)

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1. REMOVE FRONT FENDER APRON SEAL RH . Refer to «REMOVAL - Step 13»(ref-394763-S40915038152011040800000)
2. REMOVE CRANKSHAFT POSITION SENSOR Disconnect the sensor connector. Remove the bolt and sensor.

Scheme 39

1. INSPECT CRANKSHAFT POSITION SENSOR TEXT IN ILLUSTRATION *1 Component without harness connected (Crank Position Sensor) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 Cold 1630 to 2740 ohms Hot 2065 to 3225 ohms HINT: In the table above, the terms "Cold" and "Hot" refer to the temperature of the coils. "Cold" means approximately -10 to 50°C (14 to 122°F). "Hot" means approximately 50 to 100°C (122 to 212°F). If the result is not as specified, replace the crankshaft position sensor.

1. INSTALL CRANKSHAFT POSITION SENSOR Apply a light coat of engine oil to the O-ring of the sensor. NOTE: Make sure that the O-ring is not cracked or does not jump out of position during installation. Apply adhesive to 2 or 3 threads of the bolt. TEXT IN ILLUSTRATION *1 Adhesive Adhesive Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent. Install the sensor with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
2. INSPECT FOR OIL LEAK
3. INSTALL FRONT FENDER APRON SEAL RH . Refer to «INSTALLATION - Step 102»(ref-394763-S28182356332011040800000)

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1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 27»(ref-394763-S40915038152011040800000)
2. REMOVE IGNITION COIL ASSEMBLY Disconnect the 4 ignition coil assembly connectors. Remove the 4 bolts and 4 ignition coil assemblies.
3. REMOVE SPARK PLUG Using a spark plug wrench, remove the 4 spark plugs.

1. INSTALL SPARK PLUG Using a spark plug wrench, install the 4 spark plugs. Torque: 25 N*m (254 kgf*cm, 18 ft.*lbf)
2. INSTALL IGNITION COIL ASSEMBLY Install the 4 ignition coil assemblies with the 4 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Connect the 4 ignition coil assembly connectors.
3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)

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1. REMOVE NO. 1 ENGINE UNDER COVER
2. REMOVE NO. 2 ENGINE UNDER COVER
3. REMOVE WINDSHIELD WIPER MOTOR AND LINK Remove the windshield wiper motor and link. Refer to «REMOVAL»(ref-394796-S31882693302011040800000) .
4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 10»(ref-394797-S13738826852011040800000)
5. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 3»(ref-394767-S31646656722011040800000)
6. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 27»(ref-394763-S40915038152011040800000)
7. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY . Refer to «REMOVAL - Step 1»(ref-394773-S02616430312011040800000)
8. REMOVE AIR CLEANER CAP SUB-ASSEMBLY See step 9
9. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY . Refer to «REMOVAL - Step 31»(ref-394763-S40915038152011040800000)
10. REMOVE AIR CLEANER CASE . Refer to «REMOVAL - Step 32»(ref-394763-S40915038152011040800000)
11. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Disconnect the engine coolant temperature sensor connector. TEXT IN ILLUSTRATION *1 Gasket Remove the engine coolant temperature sensor and gasket.

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1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR TEXT IN ILLUSTRATION *1 Component without harness connected (Engine Coolant Temperature Sensor) *2 Temperature °C (°F) *3 Resistance ohms *4 Acceptable Partially immerse the sensor in water and warm up the water. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 2.32 to 2.59 kohms 1 - 2 80°C (176°F) 0.310 to 0.326 kohms NOTE: When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry. If the result is not as specified, replace the engine coolant temperature sensor.

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR Install a new gasket to the sensor. TEXT IN ILLUSTRATION *1 New Gasket Install the engine coolant temperature sensor. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) Connect the engine coolant temperature sensor connector.
2. INSTALL AIR CLEANER CASE . Refer to «INSTALLATION - Step 70»(ref-394763-S28182356332011040800000)
3. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY . Refer to «INSTALLATION - Step 71»(ref-394763-S28182356332011040800000)
4. INSTALL AIR CLEANER CAP SUB-ASSEMBLY See step 2
5. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY . Refer to «INSTALLATION - Step 1»(ref-394773-S31790621482011040800000)
6. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 4»(ref-394767-S31646656722011040800000)
7. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-394798-S13713067592011040800000)
8. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)
9. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 12»(ref-394797-S21120403412011040800000)
10. INSTALL WINDSHIELD WIPER MOTOR AND LINK Install the windshield wiper motor and link. Refer to «INSTALLATION»(ref-394796-S20384653202011040800000) .
11. INSTALL NO. 2 ENGINE UNDER COVER
12. INSTALL NO. 1 ENGINE UNDER COVER

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1. REMOVE INTAKE MANIFOLD Remove the intake manifold. Refer to «REMOVAL»(ref-394789-S08621706042011040800000) .
2. REMOVE KNOCK SENSOR Disconnect the sensor connector. Remove the bolt and sensor.

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1. INSPECT KNOCK SENSOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 120 to 280 kohms If the result is not as specified, replace the knock sensor.

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1. INSTALL KNOCK SENSOR Install the sensor with the bolt so that the sensor is angled as shown in the illustration. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) NOTE: The acceptable installation angle of the sensor is between 7° upward and 10° downward from the horizontal position. Connect the sensor connector.
2. INSTALL INTAKE MANIFOLD Install the intake manifold. Refer to «INSTALLATION»(ref-394789-S20922444402011040800000) .

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1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 27»(ref-394763-S40915038152011040800000)
2. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 6»(ref-394763-S40915038152011040800000)
3. REMOVE INLET AIR CLEANER ASSEMBLY . Refer to «REMOVAL - Step 29»(ref-394763-S40915038152011040800000)
4. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR . Refer to «REMOVAL - Step 7»(ref-394789-S38540547382011040800000)
5. REMOVE AIR FUEL RATIO SENSOR Disconnect the air fuel ratio sensor connector. Remove the wire harness clamp. Using SST, remove the air fuel ratio sensor from the exhaust manifold. SST: 09224-00010

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1. INSPECT AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 (HT) - 2 (+B) 20°C (68°F) 1.8 to 3.4 ohms 1 (HT) - 4 (AF-) - 10 kohms or higher If the result is not as specified, replace the air fuel ratio sensor. TEXT IN ILLUSTRATION *1 Component without harness connected (Air Fuel Ratio Sensor)

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1. INSTALL AIR FUEL RATIO SENSOR Using SST, install the air fuel ratio sensor to the exhaust manifold. SST: 09224-00010 without SST Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) with SST Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) NOTE: The "with SST" torque value is effective when using SST with a fulcrum length of 30 mm (1.18 in.). The "with SST" torque value is effective when using a torque wrench with a fulcrum length of 300 mm (11.81 in.). Refer to «PRECAUTION»(ref-394610-S15308785942011040800000) . This torque value is effective when SST is parallel to the torque wrench. TEXT IN ILLUSTRATION *1 Fulcrum Length 30 mm *2 Fulcrum Length 300 mm Connect the air fuel ratio sensor connector. Install the wire harness clamp.
2. INSPECT FOR EXHAUST GAS LEAK
3. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR . Refer to «INSTALLATION - Step 4»(ref-394789-S15214826282011040800000)
4. INSTALL INLET AIR CLEANER ASSEMBLY . Refer to «INSTALLATION - Step 73»(ref-394763-S28182356332011040800000)
5. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 109»(ref-394763-S28182356332011040800000)
6. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 108»(ref-394763-S28182356332011040800000)

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1. REMOVE NO. 1 ENGINE UNDER COVER
2. REMOVE NO. 2 ENGINE UNDER COVER
3. REMOVE HEATED OXYGEN SENSOR Disconnect the heated oxygen sensor connector. Disconnect the wire harness from the wire harness clamp. Using SST, remove the heated oxygen sensor from the front exhaust pipe. SST: 09224-00010

Scheme 60

1. INSPECT HEATED OXYGEN SENSOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 (HT) - 2 (+B) 20°C (68°F) 11 to 16 ohms 1 (HT) - 4 (E) - 10 kohms or higher If the result is not as specified, replace the heated oxygen sensor. TEXT IN ILLUSTRATION *1 Component without harness connected (Oxygen Sensor)

Scheme 61

1. INSTALL HEATED OXYGEN SENSOR Using SST, install the heated oxygen sensor to the front exhaust pipe. TEXT IN ILLUSTRATION *1 Fulcrum Length 30 mm *2 Fulcrum Length 300 mm SST: 09224-00010 without SST Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) with SST Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) NOTE: The "with SST" torque value is effective when using SST with a fulcrum length of 30 mm (1.18 in.). The "with SST" torque value is effective when using a torque wrench with a fulcrum length of 300 mm (11.81 in.). Refer to «PRECAUTION»(ref-394610-S15308785942011040800000) . This torque value is effective when SST is parallel to the torque wrench. Connect the heated oxygen sensor connector. Install the wire harness to wire harness clamp.
2. INSPECT FOR EXHAUST GAS LEAK
3. INSTALL NO. 2 ENGINE UNDER COVER
4. INSTALL NO. 1 ENGINE UNDER COVER

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1. INSPECT IG2 RELAY Remove the IG2 relay from the relay block. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 5 No battery voltage is applied across terminals 1 and 2 10 kohms or higher 3 - 5 Battery voltage is applied across terminals 1 and 2 Below 1 ohms If the result is not as specified, replace the relay.