Engine Control System (Service Information): Removal & Installation Lexus GS III facelift

INSTALLATION

Note. Avoid physical shock to the accelerator pedal. Do not disassemble the accelerator pedal assembly.

1. INSTALL ACCELERATOR PEDAL Install the accelerator pedal with the 2 bolts. Torque: 5.0 N*m ( 51 kgf*cm, 44 in.*lbf) Connect the accelerator pedal position sensor connector.
2. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
3. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 33

Scheme 34

1. INSTALL MASS AIR FLOW METER Install a new O-ring to the MAF meter. Install the MAF meter with the 2 screws. Connect the MAF meter connector.
2. INSTALL ENGINE ROOM SIDE COVER RH . Refer to «INSTALLATION - Step 134»(ref-382704-S21777018532011012800000)
3. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 135»(ref-382704-S21777018532011012800000)
4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
5. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 35

Scheme 36

Scheme 37

Scheme 38

Scheme 39

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE V-BANK COVER . Refer to «REMOVAL - Step 18»(ref-382704-S06161003072011012800000)
3. REMOVE VVT SENSOR (for Intake Side of Bank 1) Disconnect the sensor connector. Remove the bolt and sensor.
4. REMOVE VVT SENSOR (for Exhaust Side of Bank 1) Disconnect the sensor connector. Remove the bolt and sensor.
5. REMOVE VVT SENSOR (for Intake Side of Bank 2) Disconnect the sensor connector. Remove the bolt and sensor.
6. REMOVE VVT SENSOR (for Exhaust Side of Bank 2) Disconnect the sensor connector. Remove the bolt and sensor.

1. INSTALL VVT SENSOR (for Exhaust Side of Bank 2) Install the sensor with the bolt. Torque: 10 N*m ( 102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
2. INSTALL VVT SENSOR (for Intake Side of Bank 2) Install the sensor with the bolt. Torque: 10 N*m ( 102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
3. INSTALL VVT SENSOR (for Exhaust Side of Bank 1) Install the sensor with the bolt. Torque: 10 N*m ( 102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
4. INSTALL VVT SENSOR (for Intake Side of Bank 1) Install the sensor with the bolt. Torque: 10 N*m ( 102 kgf*cm, 7 ft.*lbf) Connect the sensor connector.
5. INSTALL V-BANK COVER . Refer to «INSTALLATION - Step 132»(ref-382704-S21777018532011012800000)
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
7. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 40

Scheme 41

Scheme 42

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 15»(ref-382704-S06161003072011012800000)
3. REMOVE V-BANK COVER . Refer to «REMOVAL - Step 18»(ref-382704-S06161003072011012800000)
4. REMOVE NO. 1 AIR CLEANER INLET . Refer to «REMOVAL - Step 19»(ref-382704-S06161003072011012800000)
5. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM . Refer to «REPLACEMENT - Step 1»(ref-382722-S12984946332011012800000)
6. REMOVE ENGINE UNDER COVER (for 2WD)
7. REMOVE ENGINE UNDER COVER (for 4WD)
8. REMOVE REAR ENGINE UNDER COVER LH (for 2WD)
9. REMOVE V-RIBBED BELT . Refer to «REMOVAL - Step 4»(ref-382704-S25577621912011012800000)
10. REMOVE OIL FILTER BRACKET (for 4WD) . Refer to «REMOVAL - Step 9»(ref-382722-S16679646662011012800000)
11. REMOVE OIL FILTER BRACKET SUB-ASSEMBLY (for 4WD) . Refer to «REMOVAL - Step 10»(ref-382722-S16679646662011012800000)
12. DISCONNECT NO. 1 COOLER REFRIGERANT SUCTION HOSE . Refer to «REMOVAL - Step 11»(ref-382722-S16679646662011012800000)
13. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY . Refer to «REMOVAL - Step 12»(ref-382722-S16679646662011012800000)
14. REMOVE COOLER COMPRESSOR ASSEMBLY (for 2WD) . Refer to «REMOVAL - Step 11»(ref-382722-S09231364312011012800000)
15. REMOVE COOLER COMPRESSOR ASSEMBLY (for 4WD) . Refer to «REMOVAL - Step 13»(ref-382722-S16679646662011012800000)
16. REMOVE CRANKSHAFT POSITION SENSOR Disconnect the sensor connector. Remove the bolt and sensor.

Scheme 43

1. INSPECT CRANKSHAFT POSITION SENSOR Measure the resistance between the terminals. Standard resistance Temperature Specified Condition Cold 1630 to 2740 ohms Hot 2065 to 3225 ohms NOTE: 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 sensor.

Scheme 44

1. INSTALL CRANKSHAFT POSITION SENSOR Apply a coat of engine oil to the O-ring of the sensor. Install the sensor with the bolt. Torque: 10 N*m ( 102 kgf*cm, 7 ft.*lbf) Connect the crankshaft position sensor connector.
2. ADJUST COMPRESSOR OIL . Refer to «INSTALLATION - Step 1»(ref-382722-S29820609362011012800000)
3. INSTALL COOLER COMPRESSOR ASSEMBLY (for 2WD) . Refer to «INSTALLATION - Step 2»(ref-382722-S29820609362011012800000)
4. TEMPORARILY TIGHTEN COOLER COMPRESSOR ASSEMBLY (for 4WD) . Refer to «INSTALLATION - Step 2»(ref-382722-S26591993952011012800000)
5. INSTALL OIL FILTER BRACKET SUB-ASSEMBLY (for 4WD) . Refer to «INSTALLATION - Step 3»(ref-382722-S26591993952011012800000)
6. INSTALL OIL FILTER BRACKET (for 4WD) . Refer to «INSTALLATION - Step 4»(ref-382722-S26591993952011012800000)
7. TIGHTEN COOLER COMPRESSOR ASSEMBLY (for 4WD) . Refer to «INSTALLATION - Step 5»(ref-382722-S26591993952011012800000)
8. CONNECT DISCHARGE HOSE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 6»(ref-382722-S26591993952011012800000)
9. CONNECT NO. 1 COOLER REFRIGERANT SUCTION HOSE . Refer to «INSTALLATION - Step 7»(ref-382722-S26591993952011012800000)
10. INSTALL V-RIBBED BELT . Refer to «INSTALLATION - Step 1»(ref-382704-S16377255392011012800000)
11. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
12. CHARGE REFRIGERANT . Refer to «REPLACEMENT - Step 2»(ref-382722-S12984946332011012800000)
13. WARM UP ENGINE . Refer to «REPLACEMENT - Step 3»(ref-382722-S12984946332011012800000)
14. INSPECT FOR LEAKAGE OF REFRIGERANT . Refer to «REPLACEMENT - Step 5»(ref-382722-S12984946332011012800000)
15. INSTALL REAR ENGINE UNDER COVER LH (for 2WD)
16. INSTALL ENGINE UNDER COVER (for 4WD)
17. INSTALL ENGINE UNDER COVER (for 2WD)
18. INSTALL NO. 1 AIR CLEANER INLET . Refer to «INSTALLATION - Step 114»(ref-382704-S21777018532011012800000)
19. INSTALL V-BANK COVER . Refer to «INSTALLATION - Step 132»(ref-382704-S21777018532011012800000)
20. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 135»(ref-382704-S21777018532011012800000)
21. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 45

Scheme 46

Scheme 47

Scheme 48

Scheme 49

Scheme 50

1. DISCHARGE FUEL SYSTEM PRESSURE . Refer to «REMOVAL - Step 2»(ref-382714-S37151221912011012800000)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
3. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 15»(ref-382704-S06161003072011012800000)
4. REMOVE ENGINE ROOM SIDE COVER RH . Refer to «REMOVAL - Step 16»(ref-382704-S06161003072011012800000)
5. REMOVE ENGINE ROOM SIDE COVER LH . Refer to «REMOVAL - Step 17»(ref-382704-S06161003072011012800000)
6. REMOVE V-BANK COVER . Refer to «REMOVAL - Step 18»(ref-382704-S06161003072011012800000)
7. REMOVE FRONT UPPER FENDER PROTECTOR LH . Refer to «REMOVAL - Step 4»(ref-382735-S40525517372011012800000)
8. REMOVE FRONT UPPER FENDER PROTECTOR RH . Refer to «REMOVAL - Step 5»(ref-382735-S40525517372011012800000)
9. REMOVE FRONT FENDER TO COWL SIDE SEAL LH . Refer to «REMOVAL - Step 8»(ref-382735-S40525517372011012800000)
10. REMOVE FRONT FENDER TO COWL SIDE SEAL RH . Refer to «REMOVAL - Step 9»(ref-382735-S40525517372011012800000)
11. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «REMOVAL - Step 6»(ref-382735-S40525517372011012800000)
12. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «REMOVAL - Step 7»(ref-382735-S40525517372011012800000)
13. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 10»(ref-382735-S40525517372011012800000)
14. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 5»(ref-382708-S21361285702011012800000)
15. DISCONNECT NO. 2 VENTILATION HOSE See step 7
16. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE See step 8
17. REMOVE THROTTLE BODY See step 9
18. REMOVE INTAKE AIR SURGE TANK . Refer to «REMOVAL - Step 19»(ref-382714-S37151221912011012800000)
19. REMOVE INTAKE MANIFOLD . Refer to «REMOVAL - Step 20»(ref-382714-S34286300202011012800000)
20. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Disconnect the sensor connector. Remove the sensor. Remove the gasket from the sensor.

Scheme 51

1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR Partially soak the sensor in water and warm up the water. Measure the resistance between the terminals. Standard resistance Condition Specified Condition Approx. 20°C (68°F) 2.32 to 2.59 kohms Approx. 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 sensor.

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR Install a new gasket to the sensor. Install the sensor. Torque: 20 N*m ( 204 kgf*cm, 15 ft.*lbf) Connect the sensor connector.
2. INSTALL INTAKE MANIFOLD . Refer to «INSTALLATION - Step 12»(ref-382714-S16853808722011012800000)
3. INSTALL INTAKE AIR SURGE TANK . Refer to «INSTALLATION - Step 3»(ref-382714-S35802909982011012800000)
4. INSTALL THROTTLE BODY See step 1
5. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE See step 2
6. CONNECT NO. 2 VENTILATION HOSE See step 3
7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
8. INSPECT FOR FUEL LEAK . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-382729-S31369650492011012800000)
9. INSPECT FUNCTION OF THROTTLE BODY See step 1
10. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 6»(ref-382708-S21361285702011012800000)
11. INSPECT FOR COOLANT LEAK . Refer to «ON-VEHICLE INSPECTION - Step 3»(ref-382732-S02646534692011012800000)
12. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 3»(ref-382735-S02822456132011012800000)
13. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «INSTALLATION - Step 6»(ref-382735-S02822456132011012800000)
14. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «INSTALLATION - Step 7»(ref-382735-S02822456132011012800000)
15. INSTALL FRONT FENDER TO COWL SIDE SEAL LH . Refer to «INSTALLATION - Step 4»(ref-382735-S02822456132011012800000)
16. INSTALL FRONT FENDER TO COWL SIDE SEAL RH . Refer to «INSTALLATION - Step 5»(ref-382735-S02822456132011012800000)
17. INSTALL FRONT UPPER FENDER PROTECTOR LH . Refer to «INSTALLATION - Step 9»(ref-382735-S02822456132011012800000)
18. INSTALL FRONT UPPER FENDER PROTECTOR RH . Refer to «INSTALLATION - Step 10»(ref-382735-S02822456132011012800000)
19. INSTALL V-BANK COVER . Refer to «INSTALLATION - Step 132»(ref-382704-S21777018532011012800000)
20. INSTALL ENGINE ROOM SIDE COVER LH . Refer to «INSTALLATION - Step 133»(ref-382704-S21777018532011012800000)
21. INSTALL ENGINE ROOM SIDE COVER RH . Refer to «INSTALLATION - Step 134»(ref-382704-S21777018532011012800000)
22. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 135»(ref-382704-S21777018532011012800000)
23. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 52

Scheme 53

Scheme 54

Scheme 55

Scheme 56

Scheme 57

Scheme 58

REMOVAL

Scheme 59

1. DISCHARGE FUEL SYSTEM PRESSURE . Refer to «REMOVAL - Step 2»(ref-382714-S37151221912011012800000)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
3. DRAIN ENGINE COOLANT . Refer to «REPLACEMENT - Step 5»(ref-382708-S21361285702011012800000)
4. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 15»(ref-382704-S06161003072011012800000)
5. REMOVE ENGINE ROOM SIDE COVER RH . Refer to «REMOVAL - Step 16»(ref-382704-S06161003072011012800000)
6. REMOVE ENGINE ROOM SIDE COVER LH . Refer to «REMOVAL - Step 17»(ref-382704-S06161003072011012800000)
7. REMOVE V-BANK COVER . Refer to «REMOVAL - Step 18»(ref-382704-S06161003072011012800000)
8. REMOVE FRONT UPPER FENDER PROTECTOR LH . Refer to «REMOVAL - Step 4»(ref-382735-S40525517372011012800000)
9. REMOVE FRONT UPPER FENDER PROTECTOR RH . Refer to «REMOVAL - Step 5»(ref-382735-S40525517372011012800000)
10. REMOVE FRONT FENDER TO COWL SIDE SEAL LH . Refer to «REMOVAL - Step 8»(ref-382735-S40525517372011012800000)
11. REMOVE FRONT FENDER TO COWL SIDE SEAL RH . Refer to «REMOVAL - Step 9»(ref-382735-S40525517372011012800000)
12. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «REMOVAL - Step 6»(ref-382735-S40525517372011012800000)
13. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «REMOVAL - Step 7»(ref-382735-S40525517372011012800000)
14. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 10»(ref-382735-S40525517372011012800000)
15. DISCONNECT NO. 2 VENTILATION HOSE See step 7
16. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE See step 8
17. REMOVE THROTTLE BODY See step 9
18. REMOVE INTAKE AIR SURGE TANK . Refer to «REMOVAL - Step 19»(ref-382714-S37151221912011012800000)
19. REMOVE INTAKE MANIFOLD . Refer to «REMOVAL - Step 20»(ref-382714-S34286300202011012800000)
20. DISCONNECT WATER HOSE JOINT . Refer to «REMOVAL - Step 21»(ref-382714-S34286300202011012800000)
21. REMOVE FUEL PRESSURE PULSATION DAMPER . Refer to «REMOVAL - Step 17»(ref-382714-S09075878232011012800000)
22. REMOVE NO. 1 FUEL PIPE . Refer to «REMOVAL - Step 23»(ref-382714-S34286300202011012800000)
23. DISCONNECT NO. 2 FUEL PIPE . Refer to «REMOVAL - Step 26»(ref-382714-S34286300202011012800000)
24. REMOVE FUEL PUMP ASSEMBLY . Refer to «REMOVAL - Step 24»(ref-382714-S16800010472011012800000)
25. REMOVE NO. 2 FUEL PIPE . Refer to «REMOVAL - Step 26»(ref-382714-S34286300202011012800000)
26. REMOVE NO. 3 FUEL PIPE . Refer to «REMOVAL - Step 27»(ref-382714-S34286300202011012800000)
27. REMOVE NO. 2 FUEL DELIVERY PIPE . Refer to «REMOVAL - Step 28»(ref-382714-S34286300202011012800000)
28. REMOVE NO. 1 FUEL DELIVERY PIPE . Refer to «REMOVAL - Step 29»(ref-382714-S34286300202011012800000)
29. REMOVE FUEL INJECTOR ASSEMBLY . Refer to «REMOVAL - Step 30»(ref-382714-S34286300202011012800000)
30. REMOVE FUEL INJECTOR SEAL . Refer to «REMOVAL - Step 31»(ref-382714-S34286300202011012800000)
31. REMOVE KNOCK SENSOR Disconnect the 2 knock sensor connectors. Remove the 2 bolts and 2 knock sensors.

Scheme 60

1. INSPECT KNOCK SENSOR Measure the resistance between the terminals. Standard resistance 120 to 280 kohms at 20°C (68°F) If the result is not as specified, replace the sensor.

Scheme 61

1. INSTALL KNOCK SENSOR Install the 2 knock sensors so that they are horizontal as shown in the illustration. Then install the 2 bolts. Torque: 20 N*m ( 204 kgf*cm, 15 ft.*lbf) HINT: It is acceptable for the sensor to be tilted +10 to -5°. The bank 1 connector is black and the bank 2 connector is gray. Connect the 2 knock sensor connectors.
2. INSTALL FUEL INJECTOR SEAL . Refer to «INSTALLATION - Step 1»(ref-382714-S16853808722011012800000)
3. INSTALL FUEL INJECTOR ASSEMBLY . Refer to «INSTALLATION - Step 2»(ref-382714-S16853808722011012800000)
4. INSTALL NO. 1 FUEL DELIVERY PIPE . Refer to «INSTALLATION - Step 3»(ref-382714-S16853808722011012800000)
5. INSTALL NO. 2 FUEL DELIVERY PIPE . Refer to «INSTALLATION - Step 4»(ref-382714-S16853808722011012800000)
6. INSTALL NO. 3 FUEL PIPE . Refer to «INSTALLATION - Step 5»(ref-382714-S16853808722011012800000)
7. INSTALL NO. 2 FUEL PIPE . Refer to «INSTALLATION - Step 6»(ref-382714-S16853808722011012800000)
8. INSTALL FUEL PUMP ASSEMBLY . Refer to «INSTALLATION - Step 1»(ref-382714-S33185068732011012800000)
9. CONNECT NO. 2 FUEL PIPE . Refer to «INSTALLATION - Step 2»(ref-382714-S33185068732011012800000)
10. INSTALL NO. 1 FUEL PIPE . Refer to «INSTALLATION - Step 9»(ref-382714-S16853808722011012800000)
11. INSTALL FUEL PRESSURE PULSATION DAMPER . Refer to «INSTALLATION - Step 1»(ref-382714-S08198139962011012800000)
12. CONNECT WATER HOSE JOINT . Refer to «INSTALLATION - Step 11»(ref-382714-S16853808722011012800000)
13. INSTALL INTAKE MANIFOLD . Refer to «INSTALLATION - Step 12»(ref-382714-S16853808722011012800000)
14. INSTALL INTAKE AIR SURGE TANK . Refer to «INSTALLATION - Step 3»(ref-382714-S35802909982011012800000)
15. INSTALL THROTTLE BODY See step 1
16. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE See step 2
17. CONNECT NO. 2 VENTILATION HOSE See step 3
18. CHECK FOR FUEL LEAKAGE . Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-382729-S31369650492011012800000)
19. ADD ENGINE COOLANT . Refer to «REPLACEMENT - Step 6»(ref-382708-S21361285702011012800000)
20. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 3»(ref-382735-S02822456132011012800000)
21. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH . Refer to «INSTALLATION - Step 6»(ref-382735-S02822456132011012800000)
22. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH . Refer to «INSTALLATION - Step 7»(ref-382735-S02822456132011012800000)
23. INSTALL FRONT FENDER TO COWL SIDE SEAL LH . Refer to «INSTALLATION - Step 4»(ref-382735-S02822456132011012800000)
24. INSTALL FRONT FENDER TO COWL SIDE SEAL RH . Refer to «INSTALLATION - Step 5»(ref-382735-S02822456132011012800000)
25. INSTALL FRONT UPPER FENDER PROTECTOR LH . Refer to «INSTALLATION - Step 9»(ref-382735-S02822456132011012800000)
26. INSTALL FRONT UPPER FENDER PROTECTOR RH . Refer to «INSTALLATION - Step 10»(ref-382735-S02822456132011012800000)
27. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
28. CHECK FOR ENGINE COOLANT LEAKAGE . Refer to «ON-VEHICLE INSPECTION - Step 3»(ref-382732-S02646534692011012800000)
29. CHECK FUNCTION THROTTLE BODY See step 1
30. INSTALL V-BANK COVER . Refer to «INSTALLATION - Step 132»(ref-382704-S21777018532011012800000)
31. INSTALL ENGINE ROOM SIDE COVER LH . Refer to «INSTALLATION - Step 133»(ref-382704-S21777018532011012800000)
32. INSTALL ENGINE ROOM SIDE COVER RH . Refer to «INSTALLATION - Step 134»(ref-382704-S21777018532011012800000)
33. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 135»(ref-382704-S21777018532011012800000)
34. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 62

Scheme 63

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 15»(ref-382704-S06161003072011012800000)
3. REMOVE ENGINE ROOM SIDE COVER LH . Refer to «REMOVAL - Step 17»(ref-382704-S06161003072011012800000)
4. REMOVE INTEGRATION NO. 1 RELAY Remove the engine room No. 1 relay block cover. Using a screwdriver, detach the 2 claws and disconnect the integration relay from the engine room No. 2 relay block. Disconnect the 3 connectors.

Scheme 64

Scheme 65

Scheme 66

Scheme 67

1. INSPECT INTEGRATION NO. 1 RELAY NOTE: Some relays are built into the integration relay (unit A). The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the integration relay. The internal circuit of the integration relay is as shown in the illustration. Inspect the integration relay using the following procedures. Measure the resistance of the C/OPN relay. Connect the battery's positive (+) lead to terminal 2A-8 and negative (-) lead to terminal 2B-3. Check the resistance between the terminals when battery voltage is applied between the terminals. Standard resistance Tester Connection Specified Condition 2C-1 - 2B-7 Below 1 ohms 2C-1 - 2B-8 10 kohms or higher Connect the battery's positive (+) lead to terminals 2A-8 and 2C-1, and negative (-) lead to terminal 2B-3 and 2B-7. Measure the resistance between terminals 2C-1 and 2B-8 when battery voltage is applied between the terminals. Standard resistance Tester Connection Specified Condition 2C-1 - 2B-8 Below 1 ohms Measure the resistance of the EFI MAIN relay. Remove the EFI fuse. Measure the resistance between the terminals. Standard resistance Tester Connection Specified Condition 2A-6 - 2A-7 Below 1 ohms EFI fuse terminal 2 - terminal 2A-8 10 kohms or higher Connect the battery's positive (+) lead to terminal 2A-6 and negative (-) lead to terminal 2A-7. Measure the resistance between EFI fuse terminal 2 and terminal 2A-8 when battery voltage is applied between the terminals. Standard resistance Tester Connection Specified Condition EFI fuse terminal 2 - terminal 2A-8 Below 1 ohms Measure the resistance of the EFI NO. 2 relay. Measure the resistance between the terminals. Standard resistance Tester Connection Specified Condition 2A-8 - 2B-3 Below 1 ohms 2B-7 - 2C-1 10 kohms or higher Connect the battery's positive (+) lead to terminal 2A-8 and negative (-) lead to terminal 2B-3. Measure the resistance between terminals 2B-7 and 2C-1 when battery voltage is applied between the terminals. Standard resistance Tester Connection Specified Condition 2B-7 - 2C-1 Below 1 ohms Measure the resistance of the INJ relay. Remove the INJ fuse. Measure the resistance between the terminals. Standard resistance Tester Connection Specified Condition 2A-1 - 2A-3 Below 1 ohms INJ fuse terminal 2 - terminal 2A-4 10 kohms or higher Connect the battery's positive (+) lead to terminal 2A-1 and negative (-) lead to terminal 2A-3. Measure the resistance between the INJ fuse terminals 2 and terminal 2A-4 when battery voltage is applied between the terminals. Standard resistance Tester Connection Specified condition INJ fuse terminal 2 - terminal 2A-4 Below 1 ohms

1. INSTALL INTEGRATION NO. 1 RELAY Connect the 3 connectors. Attach the integration relay to the engine room No. 2 relay block. Install the engine engine room No. 1 relay block cover.
2. INSTALL ENGINE ROOM SIDE COVER LH . Refer to «INSTALLATION - Step 133»(ref-382704-S21777018532011012800000)
3. INSTALL COOL AIR INTAKE DUCT SEAL . Refer to «INSTALLATION - Step 135»(ref-382704-S21777018532011012800000)
4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
5. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 68

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE IG2 RELAY Remove the engine room No. 1 relay block cover. Remove the IG2 relay from the engine room No. 1 relay block.
3. INSPECT IG2 RELAY Measure the resistance of the IG2 relay. Standard resistance Tester Connection Specified Condition 3 - 5 10 kohms or higher 3 - 5 Below 1 ohms (when battery voltage is applied to terminals 1 and 2) If the result is not as specified, replace the relay.
4. INSTALL IG2 RELAY
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 69

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE FUEL PUMP RELAY (FUEL PUMP) Remove the engine room No. 1 relay block cover. Remove the fuel pump relay from the engine room No. 1 relay block.
3. INSPECT FUEL PUMP RELAY Measure the resistance of the fuel pump relay. Standard resistance Tester Condition Specified Condition 3 - 4 Below 1 ohms 3 - 4 10 kohms or higher (when battery voltage is applied to terminals 1 and 2) If the resistance is not as specified, replace the relay.
4. INSTALL FUEL PUMP RELAY
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. PERFORM INITIALIZATION Perform initialization Refer to «INITIALIZATION»(ref-382578-S40254115562011012800000) . NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

Scheme 70

Scheme 71

Scheme 72

Scheme 73