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SF-58 SFI - ACCELERATOR PEDAL POSITION SENSOR ACCELERATOR PEDAL POSITION SENSOR SF1UM-03 COMPONENTS Accelerator Pedal Position Sensor Connector Accelerator Pedal Position Sensor 5.0 (51, 44 in.·lbf) Accelerator Pedal Assembly B16380 N·m (kgf·cm, ft·lbf) : Specified torque B16465 2004 LAND CRUISER (RM1071U) Author: Date: 1757 SF-59 SFI - ACCELERATOR PEDAL POSITION SENSOR SF1UN-03 INSPECTION INSPECT ACCELERATOR PEDAL POSITION SENSOR (See page DI-318 ) If necessary, replace the accelerator pedal assembly NOTICE: Be careful not to give a shock to the accelerator pedal assembly Be careful not to disassemble the accelerator pedal assembly 2004 LAND CRUISER (RM1071U) Author: Date: 1758 SF-39 SFI - CIRCUIT OPENING RELAY CIRCUIT OPENING RELAY Circuit Opening Relay SF136-06 INSPECTION REMOVE RELAY BOX COVER REMOVE CIRCUIT OPENING RELAY (Marking: C/OPN) B16460 Continuity Ohmmeter Ohmmeter 3 (a) INSPECT CIRCUIT OPENING RELAY CONTINUITY Using an ohmmeter, check that there is a continuity between terminal and If there is no continuity, replace the relay (b) Check that there is no continuity between terminal and If there is a continuity, replace the relay No Continuity S04947 (a) Ohmmeter Battery Continuity INSPECT CIRCUIT OPENING RELAY OPERATION Apply the battery positive voltage across terminal and (b) Using an ohmmeter, check that there is a continuity between terminal and If there is no continuity, replace the relay REINSTALL CIRCUIT OPENING RELAY REINSTALL RELAY BOX COVER S04946 2004 LAND CRUISER (RM1071U) Author: Date: 1738 SF-60 SFI - ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) SF0Q0-12 COMPONENTS ECM Connector ECM and Bracket Assembly ECM Bracket ECM Lower No.2 Finish Panel ECM Bracket Glove Compartment Door Glove Compartment Door Damper B16466 2004 LAND CRUISER (RM1071U) Author: Date: 1759 SF-61 SFI - ENGINE CONTROL MODULE (ECM) SF0Q1-02 INSPECTION REMOVE ECM INSPECT ECM (See page DI-46 ) REINSTALL ECM 2004 LAND CRUISER (RM1071U) Author: Date: 1760 SF-49 SFI - ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR SF0PN-11 COMPONENTS Fuel Return Hose V-Bank Cover PS Air Hose Air Inlet Hose for EVAP Vacuum Sensing Hose PCV Hose Throttle Control Connector Intake Air Connector 18 (185, 13) Gasket Water Bypass Hose Throttle Body Water Bypass Hose ECT Sensor Connector PCV Hose ECT Sensor Gasket N·m (kgf·cm, ft·lbf) : Specified torque Non-reusable part B16453 2004 LAND CRUISER (RM1071U) Author: Date: 1748 SF-50 SFI - ENGINE COOLANT TEMPERATURE (ECT) SENSOR SF0PO-17 INSPECTION DRAIN ENGINE COOLANT REMOVE V-BANK COVER REMOVE INTAKE AIR CONNECTOR DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLDS (See page SF-36 ) (a) (b) REMOVE ECT SENSOR Disconnect the ECT sensor connector Remove the ECT sensor and the gasket B02308 Ohmmeter 30 20 Resistance kΩ 10 Acceptable 0.5 0.3 0.2 0.1 -20 (-4) S01196 S01699 20 40 60 80 100 INSPECT ECT SENSOR Using an ohmmeter, measure the resistance between the terminals Resistance: Refer to the graph If the resistance is not as specified, replace the ECT sensor REINSTALL ECT SENSOR (a) Install a new gasket and the ECT sensor Torque: 20.4 N·m (208 kgf·cm, 15 ft·lbf) (b) Connect the ECT sensor connector REINSTALL THROTTLE BODY TO INTAKE MANIFOLDS Install a new gasket and the throttle body with the bolts and nuts Torque: 18 N·m (185 kgf·cm, 13 ft·lbf) REINSTALL INTAKE AIR CONNECTOR 10 REFILL WITH ENGINE COOLANT (See page CO-2 ) 11 REINSTALL V-BANK COVER (32) (68) (104) (140) (176) (212) Temperature °C (°F) Z17274 2004 LAND CRUISER (RM1071U) Author: Date: 1749 SF-38 SFI - EFI MAIN RELAY EFI MAIN RELAY EFI Main Relay SF06G-18 INSPECTION REMOVE RELAY BOX COVER REMOVE EFI MAIN RELAY (Marking: EFI) B16461 Ohmmeter No Continuity Ohmmeter Continuity Ohmmeter Continuity (a) INSPECT EFI MAIN RELAY Inspect the relay continuity (1) Using an ohmmeter, check that there is a continuity between terminal and If there is no continuity, replace the relay (2) Check that there is no continuity between terminals and If there is a continuity, replace the relay B04910 (b) Inspect the relay operation (1) Apply battery positive voltage across terminals and (2) Using an ohmmeter, check that there is a continuity between terminal and If there is no continuity, replace the relay REINSTALL EFI MAIN RELAY REINSTALL RELAY BOX COVER Battery B04911 2004 LAND CRUISER (RM1071U) Author: Date: 1737 SF-62 SFI - FUEL CUT RPM FUEL CUT RPM SF0Q2-14 INSPECTION WARM UP ENGINE Allow the engine to warm up to normal operating temperature TOYOTA Hand-Held Tester (a) (b) CONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL Connect the TOYOTA hand-held tester or OBDII scan tool to the DLC3 Please refer to the TOYOTA hand-held tester or OBDII scan tool operator’s manual for further details DLC3 A07061 (a) (b) (c) INSPECT FUEL CUTOFF RPM OPERATION Increase the engine speed to at least 2,500 rpm Check the injector for operating noise Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes HINT: Sound Scope B04432 The vehicle should be at at rest during the inspection Inspection with the A/C OFF Fuel return speed: 1,000 rpm DISCONNECT TOYOTA HAND- HELD TESTER OR OBDII SCAN TOOL 2004 LAND CRUISER (RM1071U) Author: Date: 1761 SF-16 SFI - FUEL PRESSURE REGULATOR FUEL PRESSURE REGULATOR SF0XZ-11 COMPONENTS Fuel Return Hose V-Bank Cover Vacuum Sensing Hose Fuel Return Hose 7.5 (80, 66 in.·lbf) Fuel Pressure Regulator O-Ring Delivery Pipe N·m (kgf·cm, ft·lbf) : Specified torque Non-reusable part B04926 2004 LAND CRUISER (RM1071U) Author: Date: 1715 SF-3 SFI (b) - SFI SYSTEM When connecting the union bolt (fuel pressure pulsation damper) on the high pressure pipe union, follow the procedure below: (1) Always use new gaskets (2) Tighten the union bolt by hand New Gasket B04933 (3) Using SST, tighten the union bolt to the specified torque SST 09612-24014 (09617-24011) Torque: 33 N·m (340 kgf·cm, 24 ft·lbf) for use with SST 39 N·m (400 kgf·cm, 29 ft·lbf) SST Fulcrum Length 30 cm HINT: Use a torque wrench with a fulcrum length of 30 cm (11.81 in.) B04934 (c) Fulcrum Length 30 cm SST B04895 (d) CORRECT O-Ring WRONG Delivery Pipe When connecting the flare nut on the high pressure pipe union, follow the procedure below: (1) Apply a light coat of engine oil to the flare nut, and tighten the flare nut by hand (2) Using SST, tighten the flare nut to the specified torque SST 09023-12700 NOTICE: Do not rotate the fuel filter outlet when tightening the flare nut Torque: 34 N·m (345 kgf·cm, 25 ft·lbf) for use with SST 38 N·m (380 kgf·cm, 28 ft·lbf) HINT: Use a torque wrench with a fulcrum length of 30 cm (11.81 in.) Take following precautions to remove and install the injectors (1) Never reuse the O-ring (2) When placing a new O-ring on the injector, take care not to damage it (3) Coat a new O-ring with spindle oil or gasoline before installing; never use engine, gear or brake oil B02714 2004 LAND CRUISER (RM1071U) Author: Date: 1702 SF-4 SFI Delivery Pipe O-Ring (e) Grommet Injector (f) Lower Intake Manifold Insulator B04939 Type A Disconnect Pull Push Type B Push - SFI SYSTEM Install the injector to the delivery pipe and lower intake manifold as shown in the illustration Before installing the injector, spindle oil or gasoline must be applied on the place where the delivery pipe or the intake manifold touches the O-ring of the injector Take following precautions to disconnect the fuel tube connector (quick type): (1) Check that there is no dirt on the pipe and around the connector before disconnecting them If there is, clean the dirt away (2) Be sure to disconnect it with hands (3) Type A: When the connector and the pipe are stuck, push the clicks of the retainer and pull the connector to free to disconnect and pull it out Do not use any tool at this time Type B: When the connector and the pipe are stuck, turn and pull the connector to disconnect Do not use any tool at this time (4) Inspect if there is any dirt or the likes on the seal surface of the disconnected pipe and clean it away Pull B05006 B04898 Type A B04991 (5) Type B Prevent the disconnected pipe and connector from damaging and getting foreign objects by covering them with a vinyl bag B05012 (g) Type A only Retainer Take following precautions to connect the fuel tube connector (quick type): (1) Do not reuse the retainer removed from the pipe (2) Do not use any tool Use hands to connect the retainer to the pipe (3) Check if there is any damage or foreign objects on the connected part of the pipe S05382 2004 LAND CRUISER (RM1071U) Author: Date: 1703 SF-5 SFI - (4) Push SFI SYSTEM Match the axis of the connector with that of the pipe, and push in the connector until the connector makes a ”click” sound In the joint part is too tight to connect them, apply a little new engine oil on the tip of the pipe B04897 (5) (h) Pull B04896 After finishing the connection, check if the pipe and the connector are securely connected by pulling them (6) Check if there is any fuel leakage Take following precautions to handle the nylon tube (1) Pay attention not to turn the joint part of the nylon tube and the quick connector by force when connecting them (2) Pay attention not to twist the nylon tube (3) Do not remove the EPDM protector on the outside of the nylon tube (4) Do not connect them by bending the nylon tube (i) TOYOTA Hand-Held Tester DLC3 A07061 Check that there are no fuel leaks on the fuel system after doing the maintenance (1) Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3 (2) Turn the ignition switch ON and press the TOYOTA hand-held or OBD II scan tool tester main switch ON NOTICE: Do not start the engine (3) Select the ACTIVE TEST mode on the TOYOTA hand-held tester or OBD II scan tool (4) Please refer to the TOYOTA hand-held tester or OBD II scan tool operator’s manual for further details (5) If you have no TOYOTA hand-held tester or OBD II scan tool, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector (See page SF-7 ) 2004 LAND CRUISER (RM1071U) Author: Date: 1704 SF-6 SFI (6) Fuel Return Hose Pinch B04892 - SFI SYSTEM Pinch the fuel return hose The pressure in the high pressure line will rise to approx 392 kPa (4 kgf/cm2, 57 psi) In this state, check to see that there is no leak on any part of the fuel system NOTICE: Always pinch the hose Do not bend as it may cause the hose to crack (7) Turn the ignition switch OFF (8) Disconnect the TOYOTA hand-held tester from the DLC3 2004 LAND CRUISER (RM1071U) Author: Date: 1705 SF-35 SFI - THROTTLE BODY SF1UW-01 COMPONENTS Fuel Return Hose V-Bank Cover PS Air Hose Vacuum Sensing Hose Throttle Body Air Inlet Hose for EVAP Intake Air Connector PCV Hose Throttle Control Connector Gasket 18 (185, 13) Water Bypass Hose Water Bypass Hose PCV Hose N·m (kgf·cm, ft·lbf) : Specified torque Non-reusable part B16447 2004 LAND CRUISER (RM1071U) Author: Date: 1734 SF-37 SFI - THROTTLE BODY SF0P7-13 Water Bypass Hose B15321 INSTALLATION (a) INSTALL THROTTLE BODY Connect the water bypass hose to the manifold thermostat on the throttle body (b) Install a new gasket and the throttle body with the bolts and the nuts Torque: 18 N·m (185 kgf·cm, 13 ft·lbf) Connect the water bypass hose and the PCV hose to the throttle body Connect the throttle control connector INSTALL INTAKE AIR CONNECTOR FILL WITH ENGINE COOLANT (See page CO-2 ) START ENGINE AND CHECK FOR ENGINE COOLANT LEAKS INSTALL V-BANK COVER B16471 PCV Hose (c) Water Bypass Hose B15320 B16469 (d) 2004 LAND CRUISER (RM1071U) Author: Date: 1736 SF-33 SFI - THROTTLE BODY THROTTLE BODY SF1UV-01 ON-VEHICLE INSPECTION REMOVE V-BANK COVER INSPECT SYSTEM OPERATION (a) Inspect the throttle control motor for operating sound (1) Turn the ignition switch ON (2) When turning the accelerator pedal position sensor lever, check the running sound of the motor Also, check that there is no friction sound If operation is not as specified, check the throttle control motor (See step 3), wiring and ECM B16470 B15313 TOYOTA Hand-Held Tester DLC3 A07061 ECM VPA Voltmeter E2 B04422 (b) Inspect the accelerator pedal position sensor (1) Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3 (2) Check that the MIL does not come on (3) When turning the accelerator pedal position sensor lever to the full- open position, check that the throttle valve opening percentage (THROTTLE POS) of CURRENT DATA shows the standard value Standard throttle valve opening percentage: 60 % or more If operation is not as specified, check that the accelerator pedal position sensor (See page DI-318 ), wiring and ECM If you have no TOYOTA hand-held tester or OBD II scan tool, measure the voltage between terminal VPA and E2 of the ECM connector (c) Inspect the air assist system (1) Start the engine and check that the MIL does not come on (2) Allow the engine to warm up to normal operating temperature (3) Turn the A/C compressor ON to OFF, and check the idle speed 2004 LAND CRUISER (RM1071U) Author: Date: 1732 SF-34 SFI - THROTTLE BODY Idle speed (Transmission in neutral): 700 ± 50 rpm NOTICE: Perform inspection under the condition with no electrical load (d) After checking the above (b) to (d), perform the running test and check that there is no incongruity MM+ B15314 Ohmmeter (a) (b) INSPECT THROTTLE CONTROL MOTOR Disconnect the throttle connector Using an ohmmeter, measure the motor resistance between terminal M+ and M- Motor resistance: 0.3 - 100 Ω at 20°C (68°F) If the resistance is not as specified, replace the throttle body (c) Reconnect the throttle body connector B16468 INSPECT THROTTLE POSITION SENSOR (See page DI-84 ) If necessary, replace the throttle body NOTICE: Be careful not to give a shock to the throttle body Be careful not to disassemble the throttle body REINSTALL V-BANK COVER 2004 LAND CRUISER (RM1071U) Author: Date: 1733 SF-36 SFI - THROTTLE BODY SF0P5-13 REMOVAL PCV Hose (a) REMOVE V-BANK COVER DRAIN ENGINE COOLANT REMOVE INTAKE AIR CONNECTOR REMOVE THROTTLE BODY Disconnect the throttle control connector (b) Disconnect the PCV hose and the water bypass hose from the throttle body Remove the bolts and nuts, and disconnect the throttle body from the intake manifold (c) Water Bypass Hose B15320 B16469 Water Bypass Hose (d) (e) B15321 Disconnect the water bypass hose from the manifold thermostat on the throttle body, and remove the throttle body Remove the gasket B16471 2004 LAND CRUISER (RM1071U) Author: Date: 1735 SF-47 SFI - VSV FOR CANISTER CLOSED VALVE (CCV) VSV FOR CANISTER CLOSED VALVE (CCV) SF149-05 COMPONENTS VSV Connector for Canister Closed Valve (CCV) Air Hose VSV for Canister Closed Valve (CCV) B16454 2004 LAND CRUISER (RM1071U) Author: Date: 1746 SF-48 SFI - VSV FOR CANISTER CLOSED VALVE (CCV) SF14A-06 Ohmmeter INSPECTION REMOVE VSV INSPECT VSV FOR OPEN CIRCUIT Using an ohmmeter, check that there is a continuity between the terminals Resistance: 24 - 30 Ω at 20°C (68°F) If there is no continuity, replace VSV Continuity B13023 Ohmmeter INSPECT VSV FOR GROUND Using an ohmmeter, check that there is no continuity between each terminal and the body If there is a continuity, replace VSV No Continuity B13024 (a) INSPECT VSV OPERATION Check that air flows from the ports A to B B A Air B13025 (b) Apply the battery positive voltage across the terminals (c) Check that air does not flow from the ports A to B If operation is not as specified, replace VSV REINSTALL VSV B Air A Battery B13026 2004 LAND CRUISER (RM1071U) Author: Date: 1747 SF-45 SFI - VSV FOR VAPOR PRESSURE SENSOR VSV FOR VAPOR PRESSURE SENSOR SF0Y8-09 COMPONENTS VSV Connector for Vapor Pressure Sensor VSV for Vapor Pressure Sensor Vacuum Hose Vacuum Hose B16464 2004 LAND CRUISER (RM1071U) Author: Date: 1744 SF-46 SFI - VSV FOR VAPOR PRESSURE SENSOR SF0PM-11 Ohmmeter INSPECTION (a) REMOVE VSV INSPECT VSV Inspect VSV for open circuit Using an ohmmeter, check that there is continuity between the terminals Resistance: 30 - 36 Ω at 20°C (68°F) If there is no continuity, replace the VSV Continuity B08661 Ohmmeter No Continuity (b) Inspect the VSV for ground Using an ohmmeter, check that there is no continuity between each terminal and the body If there is a continuity, replace the VSV B08662 (c) F Inspect the VSV operation (1) Check that air flows from the ports E to F E Air B08663 (2) Apply the battery positive voltage across the terminals (3) Check that air flows from the ports E to F If operation is not as specified, replace VSV REINSTALL VSV F E Air Battery B08664 2004 LAND CRUISER (RM1071U) Author: Date: 1745 SF-51 SFI - VAPOR PRESSURE SENSOR VAPOR PRESSURE SENSOR SF0PP-10 COMPONENTS Vapor Pressure Sensor Vapor Pressure Sensor Connector Joint Clip B16451 2004 LAND CRUISER (RM1071U) Author: Date: 1750 SF-52 SFI - VAPOR PRESSURE SENSOR SF0PQ-10 INSPECTION Voltmeter 1 (a) (b) (c) B16452 (d) (e) Voltmeter (a) (b) (c) B09192 (d) (e) INSPECT POWER SOURCE VOLTAGE OF VAPOR PRESSURE SENSOR Disconnect the vapor pressure sensor connector Turn the ignition switch ON Using a voltmeter, measure the voltage between connector terminal and of the wiring harness side Voltage: 4.5 - 5.5 V Turn the ignition switch OFF Reconnect the vapor pressure sensor connector INSPECT POWER OUTPUT OF VAPOR PRESSURE SENSOR Turn the ignition switch ON Remove the fuel tank cap Connect a voltmeter to terminal and 3, and measure the output voltage Voltage: 3.0 - 3.6 V Reinstall the fuel tank cap Turn the ignition switch OFF 2004 LAND CRUISER (RM1071U) Author: Date: 1751