Engine Control System (Service Information): Removal & Installation Scion xB II рестайлинг

INSTALLATION

1. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY Install a new gasket onto the intake manifold. Install the throttle with motor body assembly with the 4 bolts. Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf) Connect the throttle body connector. Connect the No. 2 water by-pass hose to the throttle with motor body assembly. Connect the No. 1 water by-pass hose to the throttle with motor body assembly. Connect the No. 2 fuel vapor feed hose to the throttle with motor body assembly.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE Install the air cleaner filter element sub-assembly. Install and lock the air cleaner cap sub-assembly with No. 1 air cleaner hose and then tighten the No. 1 air cleaner hose clamp. Engage the hose clamp and connect the No. 2 fuel vapor feed hose. Connect the ventilation hose to the No. 1 air cleaner hose. Install the No. 1 vacuum switching valve assembly. Engage the wire harness clamp. Connect the mass air flow meter connector.
3. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 2»(ref-511381-S27097587372012102600000)
4. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511406-S18470118702012102600000)
5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY Install the No. 1 engine cover with the 2 nuts. Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
6. PERFORM INITIALIZATION NOTE: Be sure to perform this procedure after reassembling the throttle body or removing and reinstalling any throttle body component. 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. Be sure to perform this procedure after replacing the ECM and reconnecting the battery cable. Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable. 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-511384-S36374632912012102600000) . Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up. 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 neutral. Enter the following menus: Powertrain/ Engine / Data List/ Throttle Sensor Position. 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 AIR CLEANER ASSEMBLY Disconnect the mass air flow meter connector. Separate the wire harness. Loosen the No. 1 air cleaner hose clamp, unlock the air cleaner assembly clamp and remove the air cleaner cap sub-assembly. Remove the air cleaner filter element sub-assembly. Separate the wire harness. Remove the 3 bolts and remove the air cleaner case sub-assembly.
2. REMOVE ECM Remove the 2 lock knobs and harness clamp. Disconnect the 2 ECM connectors. Separate the engine wire. Remove the 2 bolts from the ECM. Remove the 4 screws and ECM bracket.

Scheme 64

1. INSTALL ECM Install the bracket onto the ECM with the 4 screws. Install the ECM with the 2 bolts. Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) Connect the 2 ECM connectors. Install the 2 lock knobs and harness clamp. Install the wire harness clamp.
2. INSTALL AIR CLEANER ASSEMBLY Install the air cleaner case sub-assembly with the 3 bolts Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) Install the wire harness. Install the air cleaner filter element sub-assembly. Install and lock the air cleaner cap sub-assembly and air cleaner hose and then tighten the No. 1 air cleaner hose clamp. Connect the mass air flow meter connector. Install the wire harness.
3. PERFORM INITIALIZATION Refer to «PRECAUTION»(ref-511384-S26174277662012102600000)

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

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1. INSTALL MASS AIR FLOW METER Install the mass air flow meter with the 2 screws. Connect the mass air flow meter connector.

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1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY See step 2
2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE See step 3
3. REMOVE CAMSHAFT POSITION SENSOR Disconnect the sensor connector. Remove the bolt and sensor.

Scheme 69

1. INSPECT CAMSHAFT POSITION SENSOR Measure the resistance. Standard resistance Tester Connection Condition Specified Condition 1 - 2 Cold 835 to 1, 400 ohms 1 - 2 Hot 1, 060 to 1, 645 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 resistance is not as specified, replace the camshaft position sensor.

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1. INSTALL CAMSHAFT POSITION SENSOR Apply a light coat of engine oil to the O-ring of the sensor. Install the sensor with the bolt. Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) Connect the camshaft position sensor connector.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE See step 2
3. INSPECT FOR ENGINE OIL LEAK
4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY See step 5

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1. REMOVE GENERATOR ASSEMBLY Refer to «REMOVAL»(ref-511407-S34174240742012102600000)
2. REMOVE CRANKSHAFT POSITION SENSOR (except TMC Made Engine) Disconnect the connector of the crankshaft position sensor. Disengage the clamp and disconnect the crankshaft position sensor connector from the connector clamp bracket. Disconnect the crankshaft position sensor wire from the wire harness clamp bracket. Remove the bolt and crankshaft position sensor. NOTE: If the crankshaft position sensor has been dropped or subjected to a strong shock, replace it with a new one.
3. REMOVE CRANKSHAFT POSITION SENSOR (for TMC Made Engine) Disconnect the connector of the crankshaft position sensor. Disconnect the crankshaft position sensor wire from the rib portion of the chain cover. TEXT IN ILLUSTRATION *a Chain Cover Rib Portion Disengage the clamp and disconnect the crankshaft position sensor connector from the connector clamp bracket. Disconnect the crankshaft position sensor wire from the wire harness clamp bracket. Disengage the clamp and disconnect the crankshaft position sensor wire from the water pump. Remove the bolt and crankshaft position sensor. NOTE: If the crankshaft position sensor has been dropped or subjected to a strong shock, replace it with a new one.

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1. INSPECT CRANKSHAFT POSITION SENSOR Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 - 2 Cold 985 to 1600 ohms Hot 1265 to 1890 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.

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1. INSTALL CRANKSHAFT POSITION SENSOR (except TMC Made Engine) Apply a light coat of engine oil to the O-ring of the crankshaft position sensor. TEXT IN ILLUSTRATION *1 O-ring NOTE: If reusing the crankshaft position sensor, be sure to inspect the O-ring. Install the crankshaft position sensor with the bolt. Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) NOTE: If the crankshaft position sensor has been dropped or subjected to a strong shock, replace it with a new one. Be careful not to damage or pinch the O-ring during installation. Connect the crankshaft position sensor wire to the wire harness clamp bracket. Engage the clamp and connect the crankshaft position sensor connector to the connector clamp bracket. Connect the connector of the crankshaft position sensor.
2. INSTALL CRANKSHAFT POSITION SENSOR (for TMC Made Engine) Apply a light coat of engine oil to the O-ring of the crankshaft position sensor. TEXT IN ILLUSTRATION *1 O-ring NOTE: If reusing the crankshaft position sensor, be sure to inspect the O-ring. Install the crankshaft position sensor with the bolt. Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) NOTE: If the crankshaft position sensor has been dropped or subjected to a strong shock, replace it with a new one. Be careful not to damage or pinch the O-ring during installation. Engage the clamp and connect the crankshaft position sensor wire to the water pump. Connect the crankshaft position sensor wire to the wire harness clamp bracket. Engage the clamp and connect the crankshaft position sensor connector to the connector clamp bracket. Connect the crankshaft position sensor wire to the rib portion of the chain cover. Connect the connector of the crankshaft position sensor.
3. INSTALL GENERATOR ASSEMBLY Refer to «INSTALLATION»(ref-511407-S22591409592012102600000)
4. INSPECT FOR OIL LEAK Start the engine and check that there are no oil leaks.

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1. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 1»(ref-511381-S27097587372012102600000)
2. REMOVE AIR CLEANER ASSEMBLY Disconnect the mass air flow meter connector. Separate the wire harness. Separate the No. 1 vacuum switching valve. Disconnect the ventilation hose. Separate the No. 2 fuel vapor feed hose. Loosen the No. 1 air cleaner hose clamp, unlock the air cleaner assembly clamp and remove the air cleaner cap sub-assembly with No. 1 air cleaner hose. Remove the air cleaner filter element sub-assembly. Separate the wire harness. Remove the 3 bolts and remove the air cleaner case sub-assembly.
3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Disconnect the engine coolant temperature sensor connector. Using SST, remove the engine coolant temperature sensor and gasket. SST: 09817-33190

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1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR Measure the resistance. Using an ohmmeter, measure the resistance between the terminals. Standard resistance Tester Connection Condition Specified Condition 1 - 2 20 °C (68°F) 2.32 k to 2.59 k ohms 1 - 2 80 °C (176°F) 0.310 k to 0.326 k ohms NOTE: When checking the engine coolant temperature sensor in the water, keep the terminals dry. After the check, wipe the sensor dry. If the resistance is not as specified, replace the engine coolant temperature sensor.

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR Install a new gasket onto the sensor. Using SST, install the sensor. SST: 09817-33190 Torque: 20 N*m (204 kgf*cm, 14 ft.*lbf) Connect the sensor connector.
2. INSTALL AIR CLEANER ASSEMBLY Install the air cleaner case sub-assembly with the 3 bolts. Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) Install the wire harness to the air cleaner case sub-assembly. Install the air cleaner filter element sub-assembly. Install and lock the air cleaner cap sub-assembly and air cleaner hose and then tighten the No. 1 air cleaner hose clamp. Connect the No. 2 fuel vapor feed hose. Connect the No. 2 ventilation hose to the air cleaner hose. Install the vacuum switching valve assembly. Install the wire harness. Connect the mass air flow meter connector.
3. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 2»(ref-511381-S27097587372012102600000)
4. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511406-S18470118702012102600000)

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1. DISCHARGE FUEL SYSTEM PRESSURE Refer to «PRECAUTION»(ref-511396-S30491652292012102600000)
2. DRAIN COOLANT . Refer to «REPLACEMENT - Step 1»(ref-511381-S27097587372012102600000)
3. REMOVE WINDSHIELD WIPER ARM COVER . Refer to «REMOVAL - Step 1»(ref-511405-S42301251392012102600000)
4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «REMOVAL - Step 2»(ref-511405-S42301251392012102600000)
5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «REMOVAL - Step 3»(ref-511405-S42301251392012102600000)
6. REMOVE HOOD TO COWL TOP SEAL . Refer to «REMOVAL - Step 4»(ref-511405-S42301251392012102600000)
7. REMOVE COWL TOP VENTILATOR LOUVER RH . Refer to «REMOVAL - Step 5»(ref-511405-S42301251392012102600000)
8. REMOVE COWL TOP VENTILATOR LOUVER LH . Refer to «REMOVAL - Step 6»(ref-511405-S42301251392012102600000)
9. REMOVE FRONT WIPER MOTOR AND LINK . Refer to «REMOVAL - Step 7»(ref-511405-S42301251392012102600000)
10. REMOVE OUTER COWL TOP PANEL See step 8
11. REMOVE NO. 1 ENGINE COVER See step 2
12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE See step 3
13. REMOVE THROTTLE BODY ASSEMBLY See step 4
14. REMOVE FUEL TUBE SUB-ASSEMBLY . Refer to «REMOVAL - Step 13»(ref-511404-S05765512522012102600000)
15. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY WITH FUEL TUBE SUB-ASSEMBLY . Refer to «REMOVAL - Step 14»(ref-511404-S05765512522012102600000)
16. REMOVE INTAKE MANIFOLD Disconnect the ventilation hose. Disconnect the union to check valve hose. Separate the wire harness clamp from the intake manifold. Remove the 5 bolts, 2 nuts and intake manifold. Remove the intake manifold gasket.
17. REMOVE NO. 1 INTAKE MANIFOLD INSULATOR Remove the No. 1 intake manifold insulator.
18. REMOVE KNOCK SENSOR Disconnect the sensor connector. Remove the nut and knock sensor.

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

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1. INSTALL KNOCK SENSOR Install the knock sensor with the nut. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) Connect the sensor connector.
2. INSTALL NO. 1 INTAKE MANIFOLD INSULATOR Install the No. 1 intake manifold insulator.
3. INSTALL INTAKE MANIFOLD Install a new gasket into the intake manifold. Install the intake manifold with the 5 bolts and 2 nuts. Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf) Install the wire harness clamp onto the intake manifold. Connect the union to check valve hose. Connect the ventilation hose.
4. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY WITH FUEL TUBE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 2»(ref-511404-S17363917752012102600000)
5. CONNECT FUEL TUBE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 3»(ref-511404-S17363917752012102600000)
6. INSTALL THROTTLE BODY ASSEMBLY See step 1
7. INSTALL OUTER COWL TOP PANEL See step 2
8. INSTALL FRONT WIPER MOTOR AND LINK . Refer to «INSTALLATION - Step 2»(ref-511405-S37507933542012102600000)
9. INSTALL COWL TOP VENTILATOR LOUVER LH . Refer to «INSTALLATION - Step 6»(ref-511405-S37507933542012102600000)
10. INSTALL COWL TOP VENTILATOR LOUVER RH . Refer to «INSTALLATION - Step 4»(ref-511405-S37507933542012102600000)
11. INSTALL HOOD TO COWL TOP SEAL . Refer to «INSTALLATION - Step 5»(ref-511405-S37507933542012102600000)
12. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «INSTALLATION - Step 6»(ref-511405-S37507933542012102600000)
13. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «INSTALLATION - Step 7»(ref-511405-S37507933542012102600000)
14. INSTALL WINDSHIELD WIPER ARM COVER . Refer to «INSTALLATION - Step 8»(ref-511405-S37507933542012102600000)
15. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE See step 2
16. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 2»(ref-511381-S27097587372012102600000)
17. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511406-S18470118702012102600000)
18. INSPECT FOR FUEL LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511396-S03674563012012102600000)
19. INSTALL NO. 1 ENGINE COVER See step 5

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1. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR Remove the 4 bolts and remove the No. 1 exhaust manifold heat insulator.
2. REMOVE AIR FUEL RATIO SENSOR Disconnect the air fuel ratio sensor connector. Using SST, remove the air fuel ratio sensor. SST: 09224-00010

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1. INSPECT AIR FUEL RATIO SENSOR Check the resistance. Using an ohmmeter, measure the resistance between the terminals. Standard resistance Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 20 °C (68 °F) 1.8 to 3.4 ohms 1 (HA1A) - 4 (A1A-) Always 10 kohms or higher If the resistance is not as specified, replace the air fuel ratio sensor.

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1. INSTALL AIR FUEL RATIO SENSOR Using SST, install the air fuel ratio sensor. 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: This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in.) and a SST with 30 mm (1.18 in.). Refer to «PRECAUTION»(ref-511289-S04350843132012102600000) . Use a torque wrench with a fulcrum length of 300 mm (11.81 in.). Connect the air fuel ratio sensor connector.
2. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR Install the No. 1 exhaust manifold heat insulator with the 4 bolts. Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
3. INSPECT FOR EXHAUST GAS LEAK

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1. REMOVE HEATED OXYGEN SENSOR Disconnect the heated oxygen sensor connector. Using SST, remove the heated oxygen sensor. SST: 09224-00010

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1. INSPECT HEATED OXYGEN SENSOR Check the resistance. Using an ohmmeter, measure the resistance between the terminals. 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 resistance is not as specified, replace the heated oxygen sensor.

Scheme 103

1. INSTALL HEATED OXYGEN SENSOR SST: 09224-00010 Using SST, install the heated oxygen sensor. Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) NOTE: This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in.) and a SST with 30 mm (1.18 in.). Refer to «PRECAUTION»(ref-511289-S04350843132012102600000) . This torque value is effective when SST is parallel to the torque wrench. Connect the heated oxygen sensor connector.
2. INSPECT FOR EXHAUST GAS LEAK

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1. REMOVE NO. 1 RELAY BLOCK COVER
2. REMOVE INTEGRATION NO. 2 RELAY Using a screwdriver with its tip wrapped in protective tape, disengage the 2 claws and disconnect the integration relay. Disconnect the 3 connectors.

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1. INSPECT INTEGRATION NO. 2 RELAY Inspect the EFI (15A) fuse. Disconnect the fuse. Using an ohmmeter, measure the resistance of the fuse. Standard resistance Tester Connection Connection Specified Condition T2 - T6 Always Blow 1 ohms Inspect the EFI relay. Using an ohmmeter, measure the resistance between the terminals. Standard resistance Tester Connection Connection Specified Condition B1 - C1 When battery voltage absent Blow 1 ohms B1 - B4 When battery voltage absent 10 kohms or higher B4 - C1 When battery voltage absent 10 kohms or higher B1 - B4 When battery voltage applied to terminals B6 and B7 Blow 1 ohms B4 - C1 When battery voltage applied to terminals B6 and B7 Blow 1 ohms NOTE: While using the battery for the inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur. Inspect the IG2 relay. Using an ohmmeter, measure the resistance between the terminals. Standard resistance Tester Connection Connection Specified Condition A1 - A4 When battery voltage absent 10 kohms or higher A1 - A4 When battery voltage applied to terminal B2 and B3 Blow 1 ohms NOTE: While using the battery for the inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.

1. INSTALL INTEGRATION NO. 2 RELAY Connect the 3 connectors. Attach the integration relay to the engine room relay block.
2. INSTALL NO. 1 RELAY BLOCK COVER

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1. REMOVE INSTRUMENT PANEL FINISH LOWER PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 31»(ref-511408-S23392984262012102600000)
2. REMOVE NO. 1 IGNITION RELAY Remove the No. 1 ignition relay.
3. INSPECT NO. 1 IGNITION RELAY Measure resistance of the No. 1 ignition relay. Standard resistance Tester Connection Condition Specified Condition 3 - 5 When battery voltage absent 10 kohms or higher 3 - 5 When battery voltage applied to terminals 1 and 2 Below 1 ohms If the result is not as specified, replace the relay.
4. INSTALL NO. 1 IGNITION RELAY Install the No. 1 ignition relay.
5. INSTALL INSTRUMENT PANEL FINISH LOWER PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 10»(ref-511408-S21961196172012102600000)