Engine Control System (Service Information) (2ZR-FE): Other Toyota Corolla XI

PROCEDURE

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Turn the A/C switch on. Inspect the camshaft timing oil control valve assembly (for intake side). Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1). Powertrain > Engine and ECT > Active Test Tester Display Control the VVT Linear (Bank1) Check the engine speed while operating the camshaft timing oil control valve assembly using the Techstream. Standard Condition Techstream Operation Specified Condition 0% Normal engine speed 100% Engine idles roughly or stalls HINT: If the result is not as specified, allow the engine to cool (engine coolant temperature of 50°C (122°F) or less) and perform the Active Test again. DTCs related to the VVT system may be stored due to Active Test operation, but this does not indicate a malfunction. If the operation is not as specified, check the camshaft timing oil control valve assembly, wire harness and ECM. Inspect the camshaft timing oil control valve assembly (for exhaust side). Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Exhaust Linear (Bank 1). Powertrain > Engine and ECT > Active Test Tester Display Control the VVT Exhaust Linear (Bank1) Check the engine speed while operating the camshaft timing oil control valve assembly using the Techstream. Standard Condition Techstream Operation Specified Condition 0% Normal engine speed 100% Engine idles roughly or stalls HINT: If the result is not as specified, allow the engine to cool (engine coolant temperature of 50°C (122°F) or less) and perform the Active Test again. DTCs related to the VVT system may be stored due to Active Test operation, but this does not indicate a malfunction. If the operation is not as specified, check the camshaft timing oil control valve assembly, wire harness and ECM.

Scheme 413

1. REMOVE NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 13»(ref-635582-S27583653032014070300000)
2. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side) Disconnect the camshaft timing oil control valve assembly connector. Remove the bolt, wire harness bracket and camshaft timing oil control valve assembly from the cylinder head cover sub-assembly. NOTE: Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve assembly (connecting surface with the cylinder head cover sub-assembly). If the camshaft timing oil control valve assembly has been struck or dropped, replace it. Remove the O-ring from the camshaft timing oil control valve assembly. *1 O-ring
3. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side) Disconnect the camshaft timing oil control valve assembly connector. Remove the bolt and camshaft timing oil control valve assembly from the cylinder head cover sub-assembly. NOTE: Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve assembly (connecting surface with the cylinder head cover sub-assembly). If the camshaft timing oil control valve assembly has been struck or dropped, replace it. Remove the O-ring from the camshaft timing oil control valve assembly. *1 O-ring

Scheme 414

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 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) 6.9 to 7.9 ohms If the result is not as specified, replace the camshaft timing oil control valve assembly. Check the operation. Connect a battery positive (+) lead to terminal 1 and negative (-) lead to terminal 2, and check the movement of the spool valve. *a Component without harness connected (Camshaft Timing Oil Control Valve Assembly) *b When Applied *c When Cut Off *d Spool Valve OK Condition Specified Condition Battery voltage is applied Valve moves in left arrow direction shown in illustration Battery voltage is cut off Valve moves in right arrow direction shown in illustration NOTE: Accumulation of foreign matter can cause minor pressure leaks. Minor pressure leaks in the intake side oil control valve will cause the intake camshaft to advance. Minor pressure leaks in the exhaust side oil control valve will cause the exhaust camshaft to retard. The inappropriate camshaft timing that results from these leaks will cause a DTC to be stored. If the result is not as specified, replace the camshaft timing oil control valve assembly.

1. 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 camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly to the cylinder head cover sub-assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the camshaft timing oil control valve assembly has been struck or dropped, replace it. Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve assembly (connecting surface with the cylinder head cover sub-assembly). Make sure that the O-ring is not cracked or moved out of place when installing the camshaft timing oil control valve assembly. Connect the camshaft timing oil control valve assembly connector.
2. 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 camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly and wire harness bracket to the cylinder head cover sub-assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the camshaft timing oil control valve assembly has been struck or dropped, replace it. Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve assembly (connecting surface with the cylinder head cover sub-assembly). Make sure that the O-ring is not cracked or moved out of place when installing the camshaft timing oil control valve assembly. Connect the camshaft timing oil control valve assembly connector.
3. INSPECT FOR ENGINE OIL LEAK Refer to «PROCEDURE - Step 5»(ref-635584-S30993268552014070300000)
4. INSTALL NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 90»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 90»(ref-635582-S34345733592014070300000)

Scheme 415

*A w/ Stud Bolt *B w/o Stud Bolt *1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 NO. 2 CYLINDER HEAD COVER *3 THROTTLE BODY ASSEMBLY *4 THROTTLE BODY GASKET *5 NO. 1 WATER BY-PASS HOSE *6 NO. 2 WATER BY-PASS HOSE *7 NO. 2 VENTILATION HOSE - - N*m (kgf*cm, ft.*lbf): Specified torque • Non-reusable part

1. INSPECT THROTTLE BODY ASSEMBLY Check the throttle control motor operating sound. Turn the ignition switch to ON. When depressing the accelerator pedal, check the operating sound of the throttle control motor. Make sure that no friction noise is emitted from the throttle control motor. If any friction noise exists, replace the throttle body assembly. Check the throttle position sensor. Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Sensor Position. Powertrain > Engine and ECT > Data List Tester Display Throttle Sensor Position Depress the accelerator pedal. When the throttle valve is fully open, check that the Throttle Sensor Position value is within specification. Standard Throttle Valve Opening Percentage Tester Display Specified Condition Throttle Sensor Position 60% or higher NOTE: When checking the throttle valve opening percentage, the shift lever should be in N. Fully depress the accelerator pedal. If the percentage is less than 60%, check the throttle body assembly, wire harness and ECM.

1. DRAIN ENGINE COOLANT Refer to «PROCEDURE - Step 1»(ref-635586-S35774719622014070300000)
2. REMOVE NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 13»(ref-635582-S27583653032014070300000)
3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE Disconnect the mass air flow meter sub-assembly connector and disengage the 2 wire harness clamps. Disengage the 2 clamps. Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly. Loosen the hose clamp and remove the air cleaner cap with air cleaner hose.
4. REMOVE THROTTLE BODY ASSEMBLY Disconnect the throttle body assembly connector. *1 No. 1 Water By-pass Hose *2 No. 2 Water By-pass Hose Slide the 2 clips and disconnect the No. 1 water by-pass hose and No. 2 water by-pass hose from the throttle body assembly. w/ Stud Bolt: Remove the 2 bolts, 2 nuts and throttle body assembly from the intake manifold. NOTE: If the throttle body assembly has been struck or dropped, replace it. w/o Stud Bolt: Remove the 4 bolts and throttle body assembly from the intake manifold. NOTE: If the throttle body assembly has been struck or dropped, replace it.
5. REMOVE THROTTLE BODY GASKET Remove the throttle body gasket from the intake manifold.

1. INSPECT THROTTLE BODY ASSEMBLY Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Throttle Body Assembly) Standard Resistance Tester Connection Condition Specified Condition 1 (M-) - 2 (M+) 20°C (68°F) 0.3 to 100 ohms If the result is not as specified, replace the throttle body assembly.

1. INSTALL THROTTLE BODY GASKET Install a new throttle body gasket onto the intake manifold with the protrusion of the throttle body gasket oriented as shown in the illustration. *a Protrusion
2. INSTALL THROTTLE BODY ASSEMBLY w/ Stud Bolt: Install the throttle body assembly to the intake manifold with the 2 bolts and 2 nuts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the throttle body assembly has been struck or dropped, replace it. w/o Stud Bolt: Install the throttle body assembly to the intake manifold with the 4 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the throttle body assembly has been struck or dropped, replace it. Connect the No. 1 water by-pass hose and No. 2 water by-pass hose to the throttle body assembly and slide the 2 clips to secure them. Connect the throttle body assembly connector.
3. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE Connect the air cleaner cap with air cleaner hose to the throttle body assembly. Engage the 2 clamps to install the air cleaner cap with air cleaner hose. Tighten the hose clamp. Torque: 4.0 N*m (41 kgf*cm, 35 in.*lbf) Connect the No. 2 ventilation hose to the cylinder head cover sub-assembly and slide the clip to secure it. Connect the mass air flow meter sub-assembly connector and engage the 2 wire harness clamps.
4. INSTALL NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 90»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 90»(ref-635582-S34345733592014070300000)
5. ADD ENGINE COOLANT Refer to «PROCEDURE - Step 2»(ref-635586-S35774719622014070300000)
6. INSPECT FOR ENGINE COOLANT LEAK Refer to «PROCEDURE - Step 1»(ref-635628-S42296152022014070300000)
7. PERFORM INITIALIZATION NOTE: Be sure to perform this procedure after removing and reinstalling the throttle body assembly or any throttle body assembly components. Perform the following procedure after replacing the throttle body assembly or any throttle body assembly components. The following procedure should also be performed if the throttle body assembly is cleaned. Connect the Techstream to the DLC3 and clear the DTCs. Refer to «DTC CHECK / CLEAR [08/2013 - ]»(ref-635447-S23850175802014070300000) Turn the ignition switch to ON without operating the accelerator pedal. Perform the "Inspection After Repair". Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) 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 with the A/C switch off. Standard Idle Speed 600 to 700 RPM NOTE: Be sure to perform this step with all accessories off. Make sure that the shift lever is in P or N (for Automatic Transaxle and CVT). Make sure that the shift lever is in neutral (for Manual Transaxle). Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Sensor Position. Powertrain > Engine and ECT > Data List Tester Display Throttle Sensor Position Fully depress the accelerator pedal and check that the value is 60% or higher. Perform a road test and confirm that there are no abnormalities.

Scheme 416

*1 ECM *2 ECM BRACKET *3 NO. 2 ECM BRACKET - - N*m (kgf*cm, ft.*lbf): Specified torque

Scheme 417

Scheme 418

Scheme 419

1. PRECAUTION NOTE: Perform the Vehicle Identification Number (VIN) registration when replacing the ECM. Refer to «REGISTRATION [08/2013 - ]»(ref-635447-S25969627262014070300000) After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work. Refer to «PRECAUTION [08/2013 - ]»(ref-635429-S26537304232014070300000)
2. 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 [08/2013 - ]»(ref-635429-S20696467122014070300000)
3. SEPARATE INLET NO. 1 AIR CLEANER Remove the bolt and separate the inlet No. 1 air cleaner from the air cleaner case sub-assembly.
4. REMOVE ECM Raise the 2 levers while pushing the locks on the levers, and disconnect the 2 ECM connectors. NOTE: After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors. Disengage the wire harness clamp. Remove the 3 bolts. Disengage the clamp and remove the ECM. NOTE: If the ECM has been struck or dropped, replace it.
5. REMOVE ECM BRACKET Remove the 2 screws and ECM bracket from the ECM.
6. REMOVE NO. 2 ECM BRACKET Remove the 2 screws and No. 2 ECM bracket from the ECM.

Scheme 420

1. INSTALL NO. 2 ECM BRACKET Install the No. 2 ECM bracket to the ECM with the 2 screws. Torque: 3.0 N*m (31 kgf*cm, 27 in.*lbf)
2. INSTALL ECM BRACKET Install the ECM bracket to the ECM with the 2 screws. Torque: 3.0 N*m (31 kgf*cm, 27 in.*lbf)
3. INSTALL ECM Engage the clamp and install the ECM with the 3 bolts. Torque: 12.5 N*m (127 kgf*cm, 9 ft.*lbf) NOTE: If the ECM has been struck or dropped, replace it. Connect the 2 ECM connectors and lower the 2 levers. NOTE: When connecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors. Be sure to securely connect the ECM connectors. Engage the wire harness clamp.
4. INSTALL INLET NO. 1 AIR CLEANER Install the inlet No. 1 air cleaner to the air cleaner case sub-assembly with the bolt. Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION [08/2013 - ]»(ref-635429-S20696467122014070300000)
6. PERFORM INITIALIZATION Refer to «INITIALIZATION [08/2013 - ]»(ref-635429-S20696467122014070300000)

Scheme 421

*A w/ Instrument Panel Under Cover - - *1 ACCELERATOR PEDAL SENSOR ASSEMBLY *2 FRONT NO. 1 CONSOLE BOX INSERT *3 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque

1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Accel Sensor Out No. 1 and Accel Sensor Out No. 2. Powertrain > Engine and ECT > Data List Tester Display Accel Sensor Out No. 1 Accel Sensor Out No. 2 Read the values displayed on the Techstream. Standard Voltage Tester Display Condition Specified Condition Accel Sensor Out No. 1 Accelerator pedal is fully released 0.5 to 1.1 V Accelerator pedal is fully depressed 2.6 to 4.5 V Accel Sensor Out No. 2 Accelerator pedal is fully released 1.2 to 2.0 V Accelerator pedal is fully depressed 3.4 to 4.75 V If the result is not as specified, check the accelerator pedal sensor assembly, wire harness and ECM.

Scheme 422

1. REMOVE FRONT NO. 1 CONSOLE BOX INSERT Refer to «PROCEDURE - Step 1»(ref-635616-S37412679762014070300000)
2. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (w/ Instrument Panel Under Cover) Refer to «PROCEDURE - Step 9»(ref-635616-S21331348922014070300000)
3. REMOVE ACCELERATOR PEDAL SENSOR ASSEMBLY NOTE: Avoid physical shock to the accelerator pedal sensor assembly. Do not disassemble the accelerator pedal sensor assembly. The accelerator pedal sensor assembly does not require lubrication. Do not apply oil or other lubricants to the accelerator pedal sensor assembly. If applied, the accelerator pedal sensor assembly must be replaced. Disconnect the accelerator pedal sensor assembly connector. Remove the 2 bolts and accelerator pedal sensor assembly. NOTE: If the accelerator pedal sensor assembly has been struck or dropped, replace it.

1. INSTALL ACCELERATOR PEDAL SENSOR ASSEMBLY NOTE: Avoid physical shock to the accelerator pedal sensor assembly. Do not disassemble the accelerator pedal sensor assembly. The accelerator pedal sensor assembly does not require lubrication. Do not apply oil or other lubricants to the accelerator pedal sensor assembly. If applied, the accelerator pedal sensor assembly must be replaced. Install the accelerator pedal sensor assembly with the 2 bolts. Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) NOTE: If the accelerator pedal sensor assembly has been struck or dropped, replace it. Connect the accelerator pedal sensor assembly connector.
2. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (w/ Instrument Panel Under Cover) Refer to «PROCEDURE - Step 16»(ref-635616-S27786647472014070300000)
3. INSTALL FRONT NO. 1 CONSOLE BOX INSERT Refer to «PROCEDURE - Step 9»(ref-635616-S39884561052014070300000)

Scheme 423

CAUTION / NOTICE / HINT

Note. Perform the mass air flow meter sub-assembly inspection according to the following procedure. Only replace the mass air flow meter sub-assembly when the mass air flow meter sub-assembly value in the Data List (with the engine stopped) is not within the normal operating range or there is foreign matter on the mass air flow meter sub-assembly platinum hot wire (heater).

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Read the value using the Techstream (MAF). NOTE: Perform the inspection with the vehicle indoors and on a level surface. Perform the inspection of the mass air flow meter sub-assembly while it is installed to the air cleaner cap sub-assembly (installed to the vehicle). During the test, do not use an exhaust air duct on the exhaust pipe. Connect the Techstream to the DLC3. Turn the ignition switch to ON (do not start the engine). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF. Powertrain > Engine and ECT > Data List Tester Display MAF Wait for 30 seconds, and read the value on the Techstream. Standard Condition Tester Display Condition Standard Condition MAF Engine not running 30 seconds after ignition switch turned to ON 0.31 gm/sec or less If the result is not as specified, replace the mass air flow meter sub-assembly. If the result is within the specified range, inspect the mass air flow meter sub-assembly. Refer to «INSPECTION [08/2013 - ]»(ref-635621-S38411915482014070300000)
2. PERFORM INITIALIZATION Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000)

1. REMOVE MASS AIR FLOW METER SUB-ASSEMBLY Disconnect the mass air flow meter sub-assembly connector. Remove the 2 screws and mass air flow meter sub-assembly from the air cleaner cap sub-assembly. NOTE: If the mass air flow meter sub-assembly has been struck or dropped, replace it.

Scheme 424

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY Perform a visual check for any foreign matter on the platinum hot wire (heater) and temperature sensor (thermistor) of the mass air flow meter sub-assembly shown in the illustration. *a Platinum Hot Wire (Heater) *b Temperature Sensor (Thermistor) OK There is no foreign matter. If the result is not as specified, replace the mass air flow meter sub-assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Mass Air Flow Meter Sub-assembly) Standard Resistance Tester Connection Condition Specified Condition 1 (THA) - 2 (E2) -20°C (-4°F) 13.6 to 18.4 kohms 20°C (68°F) 2.21 to 2.69 kohms 60°C (140°F) 0.49 to 0.67 kohms If the result is not as specified, replace the mass air flow meter sub-assembly.

1. INSTALL MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Install the mass air flow meter sub-assembly to the air cleaner cap sub-assembly with the 2 screws. NOTE: If the mass air flow meter sub-assembly has been struck or dropped, replace it. If reusing the mass air flow meter sub-assembly, be sure to inspect the O-ring. Make sure that the O-ring is not cracked or moved out of place when installing the mass air flow meter sub-assembly. Connect the mass air flow meter sub-assembly connector.
2. PERFORM INITIALIZATION Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000)

Scheme 425

*1 CAMSHAFT POSITION SENSOR (for Intake Side) *2 NO. 2 CYLINDER HEAD COVER *3 CAMSHAFT POSITION SENSOR (for Exhaust Side) - - N*m (kgf*cm, ft.*lbf): Specified torque

Scheme 426

1. REMOVE NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 13»(ref-635582-S27583653032014070300000)
2. REMOVE CAMSHAFT POSITION SENSOR for Exhaust Side: Disconnect the camshaft position sensor connector. Remove the bolt and camshaft position sensor from the cylinder head cover sub-assembly. NOTE: If the camshaft position sensor has been struck or dropped, replace it. for Intake Side: Disconnect the camshaft position sensor connector. Remove the bolt and camshaft position sensor from the cylinder head cover sub-assembly. NOTE: If the camshaft position sensor has been struck or dropped, replace it.

1. INSTALL CAMSHAFT POSITION SENSOR for Intake Side: Clean and degrease the threads of the bolt for the camshaft position sensor. Apply a light coat of engine oil to the O-ring of the camshaft position sensor. *a O-ring Install the camshaft position sensor to the cylinder head cover sub-assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the camshaft position sensor has been struck or dropped, replace it. Make sure that the O-ring is not cracked or does not move out of place during installation. Connect the camshaft position sensor connector. for Exhaust Side: Clean and degrease the threads of the bolt for the camshaft position sensor. Apply a light coat of engine oil to the O-ring of the camshaft position sensor. *a O-ring Install the camshaft position sensor to the cylinder head cover sub-assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the camshaft position sensor has been struck or dropped, replace it. Make sure that the O-ring is not cracked or does not move out of place during installation. Connect the camshaft position sensor connector.
2. INSPECT FOR ENGINE OIL LEAK Refer to «PROCEDURE - Step 5»(ref-635584-S30993268552014070300000)
3. INSTALL NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 90»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 90»(ref-635582-S34345733592014070300000)

Scheme 427

*1 CRANKSHAFT POSITION SENSOR - - N*m (kgf*cm, ft.*lbf): Specified torque

1. REMOVE CRANKSHAFT POSITION SENSOR Disconnect the crankshaft position sensor connector. Remove the bolt and crankshaft position sensor from the cylinder block sub-assembly. NOTE: If the crankshaft position sensor has been struck or dropped, replace it.

1. INSPECT CRANKSHAFT POSITION SENSOR Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Crankshaft Position Sensor) 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" mean the temperature of the coils themselves. "Cold" is from -10 to 50°C (14 to 122 °F) and "Hot" is from 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 Clean and degrease the threads of the bolt for the crankshaft position sensor. Apply a light coat of engine oil to the O-ring of the crankshaft position sensor. *a O-ring Install the crankshaft position sensor to the cylinder block sub-assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If the crankshaft position sensor has been struck or dropped, replace it. Make sure that the O-ring is not cracked or does not move out of place during installation. Connect the crankshaft position sensor connector.
2. INSPECT FOR ENGINE OIL LEAK Refer to «PROCEDURE - Step 5»(ref-635584-S30993268552014070300000)

Scheme 428

*1 IGNITION COIL ASSEMBLY *2 NO. 2 CYLINDER HEAD COVER *3 SPARK PLUG - - N*m (kgf*cm, ft.*lbf): Specified torque

Scheme 429

Scheme 430

1. REMOVE NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 13»(ref-635582-S27583653032014070300000)
2. REMOVE IGNITION COIL ASSEMBLY Disconnect the 4 ignition coil assembly connectors. Remove the 4 bolts and 4 ignition coil assemblies from the cylinder head cover sub-assembly. NOTE: If an ignition coil assembly has been struck or dropped, replace it. HINT: Arrange the removed parts in the correct order.
3. REMOVE SPARK PLUG Using a 14 mm spark plug wrench, remove the 4 spark plugs from the cylinder head sub-assembly. *a 14 mm Spark Plug Wrench NOTE: If a spark plug has been struck or dropped, replace it. HINT: Arrange the removed parts in the correct order.

1. INSTALL SPARK PLUG HINT: Perform "Inspection After Repair" after replacing a spark plug. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Using a 14 mm spark plug wrench, install the 4 spark plugs to the cylinder head sub-assembly. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) NOTE: If a spark plug has been struck or dropped, replace it. HINT: Install the same parts to their original positions.
2. INSTALL IGNITION COIL ASSEMBLY HINT: Perform "Inspection After Repair" after replacing an ignition coil assembly. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Install the 4 ignition coil assemblies to the cylinder head cover sub-assembly with the 4 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) NOTE: If an ignition coil assembly has been struck or dropped, replace it. HINT: Install the same parts to their original positions. Connect the 4 ignition coil assembly connectors.
3. INSTALL NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 90»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 90»(ref-635582-S34345733592014070300000)

Scheme 431

*1 ENGINE COOLANT TEMPERATURE SENSOR *2 GASKET N*m (kgf*cm, ft.*lbf): Specified torque

1. DISCHARGE FUEL SYSTEM PRESSURE Refer to «PRECAUTION [08/2013 - ]»(ref-635618-S14781884982014070300000)
2. DRAIN ENGINE COOLANT Refer to «PROCEDURE - Step 1»(ref-635586-S35774719622014070300000)
3. REMOVE FUEL INJECTOR ASSEMBLY Refer to «REMOVAL [08/2013 - ]»(ref-635622-S25450138882014070300000)
4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Using a 19 mm union nut wrench, remove the engine coolant temperature sensor from the cylinder head sub-assembly. NOTE: If the engine coolant temperature sensor has been struck or dropped, replace it. Remove the gasket from the engine coolant temperature sensor.

Scheme 432

1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Engine Coolant Temperature Sensor) Standard Resistance Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 2.32 to 2.59 kohms 80°C (176°F) 0.310 to 0.326 kohms NOTE: If checking the engine coolant temperature sensor in water, be careful not to allow water to contact the terminals. After checking, wipe the water off the engine coolant temperature sensor. If the result is not as specified, replace the engine coolant temperature sensor.

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR HINT: Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Install a new gasket to the engine coolant temperature sensor. Using a 19 mm union nut wrench, install the engine coolant temperature sensor to the cylinder head sub-assembly. Torque: 19.6 N*m (200 kgf*cm, 14 ft.*lbf) NOTE: If the engine coolant temperature sensor has been struck or dropped, replace it. Use the torque value compensation formula to calculate the torque value for use when a torque wrench is combined with a tool such as a union nut wrench. Refer to «PRECAUTION [08/2013 - ]»(ref-635429-S26537304232014070300000)
2. INSTALL FUEL INJECTOR ASSEMBLY Refer to «INSTALLATION [08/2013 - ]»(ref-635622-S34829619812014070300000)
3. ADD ENGINE COOLANT Refer to «PROCEDURE - Step 2»(ref-635586-S35774719622014070300000)
4. INSPECT FOR ENGINE COOLANT LEAK Refer to «PROCEDURE - Step 1»(ref-635628-S42296152022014070300000)
5. PERFORM INITIALIZATION Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000)

Scheme 433

*1 KNOCK CONTROL SENSOR - - N*m (kgf*cm, ft.*lbf): Specified torque

1. REMOVE INTAKE MANIFOLD Refer to «REMOVAL [08/2013 - ]»(ref-635625-S13366229562014070300000)
2. REMOVE KNOCK CONTROL SENSOR Disconnect the knock control sensor connector. Remove the bolt and knock control sensor from the cylinder block sub-assembly. NOTE: If the knock control sensor has been struck or dropped, replace it.

1. INSPECT KNOCK CONTROL SENSOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 25 °C (77 °F) 120 to 280 kohms If the result is not as specified, replace the knock control sensor.

Scheme 434

1. INSTALL KNOCK CONTROL SENSOR HINT: Perform "Inspection After Repair" after replacing the knock control sensor. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Install the knock control sensor to the cylinder block sub-assembly with the bolt so that the knock control sensor installation position is as shown in the illustration. *a Top Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) NOTE: If the knock control sensor has been struck or dropped, replace it. Make sure that the knock control sensor is in the correct position. Connect the knock control sensor connector.
2. INSTALL INTAKE MANIFOLD Refer to «INSTALLATION [08/2013 - ]»(ref-635625-S01442468002014070300000)

Scheme 435

*1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 AIR CLEANER CASE SUB-ASSEMBLY *3 AIR FUEL RATIO SENSOR *4 NO. 2 CYLINDER HEAD COVER *5 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY *6 NO. 2 VENTILATION HOSE N*m (kgf*cm, ft.*lbf): Specified torque * For use with SST

Scheme 436

Scheme 437

1. REMOVE NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 13»(ref-635582-S27583653032014070300000)
2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE See step 3
3. REMOVE AIR CLEANER CASE SUB-ASSEMBLY Refer to «PROCEDURE - Step 15»(ref-635582-S27583653032014070300000)
4. REMOVE AIR FUEL RATIO SENSOR Disconnect the air fuel ratio sensor wire from the wire harness clamp bracket. Disconnect the air fuel ratio sensor connector. Using SST, remove the air fuel ratio sensor from the exhaust manifold. SST: 09224-00010 NOTE: If the air fuel ratio sensor has been struck or dropped, replace it.

1. INSPECT AIR FUEL RATIO SENSOR Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Air Fuel Ratio Sensor) Standard Resistance Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 ohms 1 (HA1A) - 4 (A1A-) Always 10 kohms or higher If the result is not as specified, replace the air fuel ratio sensor.

Scheme 438

1. INSTALL AIR FUEL RATIO SENSOR HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [08/2013 - ]»(ref-635447-S25564571732014070300000) Using SST, install the air fuel ratio sensor to the exhaust manifold. *a Length of SST 30 mm (1.18 in.) *b Length of Torque Wrench 260 mm (10.2 in.) SST: 09224-00010 without SST [Torque (N*m(kgf*cm, ft.*lbf))] Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) with SST [Reading of Torque wrench (N*m(kgf*cm, ft.*lbf))] Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf) NOTE: If the air fuel ratio sensor has been struck or dropped, replace it. HINT: This torque value is effective when SST is parallel to the torque wrench. 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 260 mm (10.2 in.). If using a torque wrench with a different length, or connecting the torque wrench and SST at an angle, refer to the alternate torque values. Refer to «PRECAUTION [08/2013 - ]»(ref-635429-S26537304232014070300000) Connect the air fuel ratio sensor connector. Connect the air fuel ratio sensor wire to the wire harness clamp bracket.
2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY Refer to «PROCEDURE - Step 62»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 62»(ref-635582-S34345733592014070300000)
3. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE See step 3
4. INSPECT FOR EXHAUST GAS LEAK Refer to «PROCEDURE - Step 6»(ref-635625-S05682014732014070300000)
5. INSTALL NO. 2 CYLINDER HEAD COVER Refer to «PROCEDURE - Step 90»(ref-635582-S10334097242014070300000) & «PROCEDURE - Step 90»(ref-635582-S34345733592014070300000)

Scheme 439

Scheme 440

*1 FRONT CENTER FLOOR COVER LH *2 HEATED OXYGEN SENSOR *3 WIRE HARNESS CLAMP BRACKET - - N*m (kgf*cm, ft.*lbf): Specified torque * For use with SST

Scheme 441

Scheme 442

1. REMOVE FRONT NO. 1 CONSOLE BOX INSERT Refer to «PROCEDURE - Step 1»(ref-635616-S37412679762014070300000)
2. DISCONNECT HEATED OXYGEN SENSOR CONNECTOR Remove the clip. Turn back the floor carpet. Disconnect the heated oxygen sensor connector.
3. REMOVE FRONT CENTER FLOOR COVER LH Disengage the 5 clips to remove the front center floor cover LH.
4. REMOVE HEATED OXYGEN SENSOR Disengage the clamp and remove the wire harness clamp bracket from the heated oxygen sensor. *1 Wire Harness Clamp Bracket Disengage the clamp and heated oxygen sensor grommet from the vehicle body. *a Grommet Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly (TWC: Front and rear catalyst). SST: 09224-00010 NOTE: If the heated oxygen sensor has been struck or dropped, replace it.

Scheme 443

1. INSPECT HEATED OXYGEN SENSOR Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Heated Oxygen Sensor) Standard Resistance Tester Connection Condition Specified Condition 1 (HT1B) - 2 (+B) 20°C (68°F) 11 to 16 ohms 1 (HT1B) - 4 (E2) Always 10 kohms or higher If the result is not as specified, replace the heated oxygen sensor.

Scheme 444

1. INSTALL HEATED OXYGEN SENSOR Using SST, install the heated oxygen sensor to the front exhaust pipe assembly (TWC: Front and rear catalyst). *a Length of SST 30 mm (1.18 in.) *b Length of Torque Wrench 260 mm (10.2 in.) SST: 09224-00010 without SST [Torque (N*m(kgf*cm, ft.*lbf))] Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) with SST [Reading of Torque wrench (N*m(kgf*cm, ft.*lbf))] Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf) NOTE: If the heated oxygen sensor has been struck or dropped, replace it. HINT: This torque value is effective when SST is parallel to the torque wrench. 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 260 mm (10.2 in.). If using a torque wrench with a different length, or connecting the torque wrench and SST at an angle, refer to the alternate torque values. Refer to «PRECAUTION [08/2013 - ]»(ref-635429-S26537304232014070300000) Engage the clamp and heated oxygen sensor grommet to the vehicle body. *a Grommet Install the wire harness clamp bracket to the heated oxygen sensor and engage the clamp. *1 Wire Harness Clamp Bracket
2. INSTALL FRONT CENTER FLOOR COVER LH Engage the 5 clips to install the front center floor cover LH.
3. CONNECT HEATED OXYGEN SENSOR CONNECTOR Connect the heated oxygen sensor connector. Install the floor carpet. Install the clip.
4. INSTALL FRONT NO. 1 CONSOLE BOX INSERT Refer to «PROCEDURE - Step 9»(ref-635616-S39884561052014070300000)
5. INSPECT FOR EXHAUST GAS LEAK

1. INSPECT IG2 RELAY (IG2) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied between terminals 1 and 2 10 kohms or higher Battery voltage applied between terminals 1 and 2 Below 1 ohms If the result is not as specified, replace the IG2 relay (IG2).
2. INSPECT EFI-MAIN RELAY (EFI-MAIN) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied between terminals 1 and 2 10 kohms or higher Battery voltage applied between terminals 1 and 2 Below 1 ohms If the result is not as specified, replace the EFI-MAIN relay (EFI-MAIN).
3. INSPECT INJ RELAY (IGT/INJ) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied between terminals 1 and 2 10 kohms or higher Battery voltage applied between terminals 1 and 2 Below 1 ohms If the result is not as specified, replace the INJ relay (IGT/INJ).