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Engine Control System (2GR-FE) (Service Information): Diagnosis Toyota Highlander II рестайлинг

Testing & Diagnostics 23 illustrations ~2653 words

ON-VEHICLE INSPECTION

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Connect Techstream to the DLC3. Turn the ignition switch on (IG). Start the engine and warm it up. Select Active Test menu on the Techstream. Check the engine speed when the OCV (camshaft timing oil control valve) is operated by Techstream. Tester Display Test Part Control Range Diagnostic Note Control the VVT Linear (Bank 1) VVT (bank 1 intake side) Between -128 and 127% This valve added to present OCV control duty 100%: Maximum advance -100%: Maximum retard Engine stalls or idles roughly when VVT actuator operated by 100%. Test is possible while idling. Control the VVT System (Bank 1) Oil control valve ON/OFF Engine stalls or idles roughly when oil control valve turned ON Normal engine running or idling when oil control valve OFF Control the VVT Linear (Bank 2) VVT (bank 2 intake side) Between -128 and 127% Same as above Control the VVT System (Bank 2) Oil control valve ON/OFF Engine stalls or idles roughly when oil control valve turned ON Normal engine running or idling when oil control valve OFF Control the VVT Exhaust Linear (Bank 1) VVT (bank 1 exhaust side) Between -128 and 127% This valve added to present OCV control duty 100%: Maximum retard -100%: Maximum advance Same as above Control the VVT Exhaust Linear (Bank 2) VVT (bank 2 exhaust side) Same as above Same as above

Scheme 523

Scheme 523: REMOVAL
Scheme 523: REMOVAL

Scheme 524

Scheme 524
Scheme 524

Scheme 525

Scheme 525
Scheme 525

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Scheme 526
Scheme 526

Scheme 527

Scheme 527
Scheme 527
  1. REMOVE ENGINE UNDER COVER ASSEMBLY . Refer to «REMOVAL - Step 7»(ref-422437-S32620109432011092600000)
  2. REMOVE NO. 1 ENGINE UNDER COVER . Refer to «REMOVAL - Step 8»(ref-422437-S32620109432011092600000)
  3. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 4»(ref-422445-S19885031072011092600000)
  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «REMOVAL - Step 1»(ref-422473-S15978130332011092600000)
  5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «REMOVAL - Step 2»(ref-422473-S15978130332011092600000)
  6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 4»(ref-422473-S15978130332011092600000)
  7. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY . Refer to «REMOVAL - Step 5»(ref-422473-S15978130332011092600000)
  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 24»(ref-422437-S32620109432011092600000)
  9. REMOVE V-BANK COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 25»(ref-422437-S32620109432011092600000)
  10. REMOVE AIR CLEANER CAP SUB-ASSEMBLY . Refer to «REMOVAL - Step 5»(ref-422489-S26254324772011092600000)
  11. DISCONNECT ENGINE ROOM MAIN WIRE . Refer to «REMOVAL - Step 12»(ref-422489-S29943305582011092600000)
  12. REMOVE THROTTLE BODY BRACKET . Refer to «REMOVAL - Step 13»(ref-422489-S29943305582011092600000)
  13. REMOVE NO. 1 SURGE TANK STAY . Refer to «REMOVAL - Step 14»(ref-422489-S29943305582011092600000)
  14. REMOVE INTAKE AIR SURGE TANK ASSEMBLY . Refer to «REMOVAL - Step 15»(ref-422489-S29943305582011092600000)
  15. SEPARATE HARNESS PROTECTOR Remove the 5 bolts and nut [A]. Disconnect the 19 connectors [B]. Disconnect the 2 clamps [C]. Disconnect the 2 studs [D].
  16. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1) Exhaust side: Remove the bolt and camshaft timing oil control valve assembly. Remove the O-ring from the camshaft timing oil control valve assembly. Intake side: Remove the bolt and camshaft timing oil control valve assembly. Remove the O-ring from the camshaft timing oil control valve assembly.
  17. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2) Exhaust side: Remove the bolt and camshaft timing oil control valve assembly. Remove the O-ring from the camshaft timing oil control valve assembly. Intake side: Remove the bolt and camshaft timing oil control valve assembly. Remove the O-ring from the camshaft timing oil control valve assembly

Scheme 528

Scheme 528: INSPECTION
Scheme 528: INSPECTION
  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Resistance inspection: Using an ohmmeter, measure the resistance between the terminals. Resistance 6.9 to 7.9 ohms at 20°C (68°F) If necessary, replace the camshaft timing oil control valve assembly. Movement inspection: Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check the movement of the valve. NOTE: Confirm that the valve moves freely and does not stick in any position. If necessary, replace the camshaft timing oil control valve assembly. HINT: Accumulation of foreign objects causes subtle pressure leaks. The subtle pressure leaks will cause the cam to advance, and this will cause a DTC to be set.

Scheme 529

Scheme 529: INSTALLATION
Scheme 529: INSTALLATION

Scheme 530

Scheme 530
Scheme 530

Scheme 531

Scheme 531
Scheme 531

Scheme 532

Scheme 532
Scheme 532
  1. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2) Exhaust side: Apply a coat of engine oil to a new O-ring and install it onto the camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Intake side: Apply a coat of engine oil to a new O-ring and install it onto the camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  2. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1) Exhaust side: Apply a coat of engine oil to a new O-ring and install it onto the camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) Intake side: Apply a coat of engine oil to a new O-ring and install it onto the camshaft timing oil control valve assembly. Install the camshaft timing oil control valve assembly with the bolt. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  3. INSTALL HARNESS PROTECTOR Connect the 2 studs [A]. Connect the 2 clamps [B]. Connect the 19 connectors [C]. Install the 5 bolts and nut [D]. Torque: 8.3 N*m (84 kgf*cm, 73 in.*lbf)
  4. TEMPORARILY INSTALL NO. 1 SURGE TANK STAY . Refer to «INSTALLATION - Step 5»(ref-422489-S33895535202011092600000)
  5. TEMPORARILY INSTALL THROTTLE BODY BRACKET . Refer to «INSTALLATION - Step 9»(ref-422489-S33895535202011092600000)
  6. INSTALL INTAKE AIR SURGE TANK ASSEMBLY . Refer to «INSTALLATION - Step 7»(ref-422489-S33895535202011092600000)
  7. FULLY TIGHTEN NO. 1 SURGE TANK STAY . Refer to «INSTALLATION - Step 8»(ref-422489-S33895535202011092600000)
  8. FULLY TIGHTEN THROTTLE BODY BRACKET . Refer to «INSTALLATION - Step 9»(ref-422489-S33895535202011092600000)
  9. CONNECT ENGINE ROOM MAIN WIRE . Refer to «INSTALLATION - Step 10»(ref-422489-S33895535202011092600000)
  10. INSTALL AIR CLEANER CAP SUB-ASSEMBLY . Refer to «INSTALLATION - Step 5»(ref-422489-S16576900922011092600000)
  11. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 5»(ref-422445-S19885031072011092600000)
  12. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422491-S32516890292011092600000)
  13. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 72»(ref-422437-S14114071742011092600000)
  14. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY . Refer to «INSTALLATION - Step 2»(ref-422473-S16839006962011092600000)
  15. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 3»(ref-422473-S16839006962011092600000)
  16. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «INSTALLATION - Step 5»(ref-422473-S16839006962011092600000)
  17. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «INSTALLATION - Step 6»(ref-422473-S16839006962011092600000)
  18. INSTALL V-BANK COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 102»(ref-422437-S14114071742011092600000)
  19. INSTALL NO. 1 ENGINE UNDER COVER . Refer to «INSTALLATION - Step 100»(ref-422437-S14114071742011092600000)
  20. INSTALL ENGINE UNDER COVER ASSEMBLY . Refer to «INSTALLATION - Step 101»(ref-422437-S14114071742011092600000)

Scheme 533

Scheme 533: ILLUSTRATION
Scheme 533: ILLUSTRATION
  1. INSPECT THROTTLE BODY Listen to the throttle control motor operating sounds. Turn the ignition switch on (IG). When pressing the accelerator pedal position sensor lever, listen to the running motor. Make sure that no friction noise comes from the motor. If friction noise exists, replace the throttle body. Inspect the throttle position sensor. Connect Techstream to the DLC3. Turn the ignition switch on (IG). Check that the MIL turns off. Turn the Techstream main switch on. Select the menu items: Powertrain / Engine and ECT / Data List / Throttle Position. Check the value of throttle valve angle is within the standard range below. Standard throttle valve opening percentage 60% or more If the percentage is less than 60%, replace the throttle body. NOTE: When checking the throttle valve opening percentage, the transmission should be in neutral.

Scheme 534

Scheme 534: REMOVAL
Scheme 534: REMOVAL

Scheme 535

Scheme 535
Scheme 535

Scheme 536

Scheme 536
Scheme 536

Scheme 537

Scheme 537
Scheme 537
  1. REMOVE ENGINE UNDER COVER ASSEMBLY . Refer to «REMOVAL - Step 7»(ref-422437-S32620109432011092600000)
  2. REMOVE NO. 1 ENGINE UNDER COVER . Refer to «REMOVAL - Step 8»(ref-422437-S32620109432011092600000)
  3. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 4»(ref-422445-S19885031072011092600000)
  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «REMOVAL - Step 1»(ref-422473-S15978130332011092600000)
  5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «REMOVAL - Step 2»(ref-422473-S15978130332011092600000)
  6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 4»(ref-422473-S15978130332011092600000)
  7. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY . Refer to «REMOVAL - Step 5»(ref-422473-S15978130332011092600000)
  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 8»(ref-422474-S07269923612011092600000)
  9. REMOVE V-BANK COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 25»(ref-422437-S32620109432011092600000)
  10. REMOVE AIR CLEANER CAP SUB-ASSEMBLY . Refer to «REMOVAL - Step 5»(ref-422489-S26254324772011092600000)
  11. REMOVE THROTTLE BODY Disconnect the throttle body connector and clamp. Disconnect the 2 water by-pass hoses from the throttle body. Remove the 4 bolts and throttle body. Remove the throttle body gasket from the intake air surge tank.

Scheme 538

Scheme 538: INSPECTION
Scheme 538: INSPECTION
  1. INSPECT THROTTLE BODY Measure the resistance according to the value(s) in the table below. Standard resistance Tester Connection Condition Specified Condition M+ (2) - M- (1) 20°C (68°F) 0.3 to 100 ohms If the result is not as specified, replace the throttle body.
  1. INSPECT FRONT ENGINE MOUNTING INSULATOR ASSEMBLY Inspect the front engine mounting insulator assembly. Connect Techstream to DLC3. Start the engine and turn the Techstream main switch on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the ACM Inhibit. Tester Display Test Part Control Range Diagnostic Note Control the ACM Inhibit ACM ON / OFF Test is possible while engine is idling Check if the front engine mounting insulator assembly operates in accordance with tester operation. Standard The front engine mounting insulator assembly operates normally in accordance with tester operation.

Scheme 539

Scheme 539: REMOVAL
Scheme 539: REMOVAL

Scheme 540

Scheme 540
Scheme 540
  1. REMOVE V-BANK COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 25»(ref-422437-S32620109432011092600000)
  2. REMOVE ENGINE UNDER COVER ASSEMBLY . Refer to «REMOVAL - Step 7»(ref-422437-S32620109432011092600000)
  3. REMOVE NO. 1 ENGINE UNDER COVER . Refer to «REMOVAL - Step 8»(ref-422437-S32620109432011092600000)
  4. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 4»(ref-422445-S19885031072011092600000)
  5. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 1»(ref-422489-S26254324772011092600000)
  6. REMOVE BATTERY . Refer to «REMOVAL - Step 2»(ref-422489-S26254324772011092600000)
  7. REMOVE NO. 2 AIR CLEANER INLET . Refer to «REMOVAL - Step 3»(ref-422489-S26254324772011092600000)
  8. REMOVE NO. 1 AIR CLEANER INLET . Refer to «REMOVAL - Step 4»(ref-422489-S26254324772011092600000)
  9. DISCONNECT NO. 1 RADIATOR HOSE . Refer to «REMOVAL - Step 9»(ref-422445-S04885898942011092600000)
  10. DISCONNECT NO. 2 RADIATOR HOSE . Refer to «REMOVAL - Step 10»(ref-422445-S04885898942011092600000)
  11. DISCONNECT OIL COOLER HOSE . Refer to «REMOVAL - Step 11»(ref-422445-S04885898942011092600000)
  12. DISCONNECT COOLING FAN ECU CONNECTOR . Refer to «REMOVAL - Step 12»(ref-422445-S04885898942011092600000)
  13. REMOVE RADIATOR GRILLE SUB-ASSEMBLY . Refer to «REMOVAL - Step 2»(ref-422492-S39273527562011092600000)
  14. REMOVE HOOD LOCK ASSEMBLY (w/o Engine Hood Courtesy Switch) . Refer to «REMOVAL - Step 5»(ref-422493-S32170806082011092600000)
  15. REMOVE HOOD LOCK ASSEMBLY (w/ Engine Hood Courtesy Switch) . Refer to «REMOVAL - Step 6»(ref-422493-S32170806082011092600000)
  16. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY . Refer to «REMOVAL - Step 16»(ref-422445-S04885898942011092600000)
  17. SEPARATE COOLER CONDENSER ASSEMBLY . Refer to «REMOVAL - Step 17»(ref-422445-S04885898942011092600000)
  18. REMOVE RADIATOR ASSEMBLY AND FAN ASSEMBLY WITH MOTOR . Refer to «REMOVAL - Step 18»(ref-422445-S04885898942011092600000)
  19. REMOVE TRANSVERSE ENGINE MOUNTING BRACKET HINT: Securely support the automatic transaxle using a jack. Remove the nut, 3 bolts and the transverse engine mounting bracket.
  20. REMOVE FRONT ENGINE MOUNTING INSULATOR ASSEMBLY Disconnect the vacuum hose sub-assembly from the air cleaner cap sub-assembly and vacuum switching valve. Remove the 2 clamps. Disconnect the duty vacuum switching valve connector and clamp. Remove the cap, 3 nuts and front engine mounting insulator assembly.

Scheme 541

Scheme 541: INSPECTION
Scheme 541: INSPECTION
  1. INSPECT FRONT ENGINE MOUNTING INSULATOR ASSEMBLY Disconnect the vacuum hose from the front engine mounting insulator assembly. Using a vacuum pump, apply vacuum of 80 kPa (600 mmHg, 25 in.Hg) and wait for 1 minute. Check that there is no change in the needle movement of the vacuum pump gauge. OK Vacuum pressure holds. Check that there is no fluid leakage caused by a break in the diaphragm. Reconnect the vacuum hose.

Scheme 542

Scheme 542: INSTALLATION
Scheme 542: INSTALLATION
  1. INSTALL FRONT ENGINE MOUNTING INSULATOR ASSEMBLY Install the front engine mounting insulator assembly with the 3 nuts and cap. Torque: 52 N*m (530 kgf*cm, 38 ft.*lbf) Connect the duty vacuum switching valve connector and clamp. Install the 2 clamps. Connect the vacuum hose sub-assembly to the air cleaner cap sub-assembly and vacuum switching valve.
  2. INSTALL TRANSVERSE ENGINE MOUNTING BRACKET Install the transverse engine mounting bracket with the 3 bolts and nut. Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf) for 3 Bolts Torque: 87 N*m (887 kgf*cm, 64 ft.*lbf) for Nut
  3. INSTALL RADIATOR ASSEMBLY AND FAN ASSEMBLY WITH MOTOR . Refer to «INSTALLATION - Step 4»(ref-422445-S15263924652011092600000)
  4. INSTALL COOLER CONDENSER ASSEMBLY . Refer to «INSTALLATION - Step 5»(ref-422445-S15263924652011092600000)
  5. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY . Refer to «INSTALLATION - Step 6»(ref-422445-S15263924652011092600000)
  6. INSTALL HOOD LOCK ASSEMBLY (w/o Engine Hood Courtesy Switch) . Refer to «INSTALLATION - Step 2»(ref-422493-S37734426362011092600000)
  7. INSTALL HOOD LOCK ASSEMBLY (w/ Engine Hood Courtesy Switch) . Refer to «INSTALLATION - Step 3»(ref-422493-S37734426362011092600000)
  8. INSTALL RADIATOR GRILLE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 2»(ref-422492-S26859684032011092600000)
  9. CONNECT COOLING FAN ECU CONNECTOR . Refer to «INSTALLATION - Step 10»(ref-422445-S15263924652011092600000)
  10. CONNECT OIL COOLER HOSE . Refer to «INSTALLATION - Step 11»(ref-422445-S15263924652011092600000)
  11. CONNECT NO. 2 RADIATOR HOSE . Refer to «INSTALLATION - Step 12»(ref-422445-S15263924652011092600000)
  12. CONNECT NO. 1 RADIATOR HOSE . Refer to «INSTALLATION - Step 13»(ref-422445-S15263924652011092600000)
  13. INSTALL NO. 1 AIR CLEANER INLET . Refer to «INSTALLATION - Step 6»(ref-422489-S16576900922011092600000)
  14. INSTALL NO. 2 AIR CLEANER INLET . Refer to «INSTALLATION - Step 7»(ref-422489-S16576900922011092600000)
  15. INSTALL BATTERY . Refer to «INSTALLATION - Step 8»(ref-422489-S16576900922011092600000)
  16. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 9»(ref-422489-S16576900922011092600000)
  17. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 5»(ref-422445-S19885031072011092600000)
  18. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422491-S32516890292011092600000)
  19. INSPECT AUTOMATIC TRANSAXLE FLUID HINT: Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422434-S00379185902011092600000)
  20. INSPECT FOR OIL LEAK
  21. INSTALL NO. 1 ENGINE UNDER COVER . Refer to «INSTALLATION - Step 100»(ref-422437-S14114071742011092600000)
  22. INSTALL ENGINE UNDER COVER ASSEMBLY . Refer to «INSTALLATION - Step 101»(ref-422437-S14114071742011092600000)
  23. INSTALL V-BANK COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 102»(ref-422437-S14114071742011092600000)

Scheme 543

Scheme 543: ILLUSTRATION
Scheme 543: ILLUSTRATION
  1. CHECK ACCELERATOR PEDAL ASSEMBLY Check the voltage. Connect Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream main switch on. Select the menu items: Powertrain / Engine and ECT / Data List / Accelerator Position No. 1, Acceleration Position No. 2. Operate the accelerator pedal assembly, and then check that the Accelerator Position No. 1 and Accelerator Position No. 2 values are within the specifications. Standard voltage (Accelerator Position No. 1) Accelerator Pedal Assembly Condition Specified Condition Released 0.5 to 1.1 V Depressed 2.5 to 4.5 V Standard voltage (Accelerator Position No. 2) Accelerator Pedal Assembly Condition Specified Condition Released 1.2 to 2.0 V Depressed 3.4 to 5.0 V If the result is not as specified, check the accelerator pedal assembly, wire harness or ECM.

Scheme 544

Scheme 544: REMOVAL
Scheme 544: REMOVAL
  1. REMOVE ACCELERATOR PEDAL ASSEMBLY Disconnect the accelerator pedal assembly connector. Remove the 2 nuts and accelerator pedal assembly.
  1. INSPECT MASS AIR FLOW METER NOTE: Perform the mass air flow (MAF) meter inspection by following the procedures below. Only replace the MAF meter when the MAF value in the Data List (with the engine stopped) are not within the normal operating range or there is foreign matter on the MAF meter platinum hot wire (heater). Read the values using Techstream (MAF). NOTE: Perform the inspection with the vehicle indoors and on a level surface. Perform the inspection of the MAF meter while it is installed to the air cleaner case (installed to the vehicle). During the test, do not use the exhaust air duct to perform suction on the exhaust pipe. Turn the ignition switch on (IG) (do not start the engine). Turn the Techstream main switch on. Select the following menu items: Powertrain / Engine and ECT / Data List / MAF. Wait 30 seconds, and read the values on Techstream. Standard condition Less than 0.70 g/s If the result is not as specified, replace the MAF meter. If the result is within the specified range, inspect the cause of the extremely rich or lean air fuel ratio.

Scheme 545

Scheme 545: REMOVAL
Scheme 545: REMOVAL
  1. REMOVE MASS AIR FLOW METER Disconnect the mass air flow meter connector. Remove the 2 screws and mass air flow meter.

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