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Engine Control (Service Information): Removal & Installation Lexus HS I

Engine Control Systems 13 illustrations ~1182 words

INSTALLATION

  1. INSTALL MASS AIR FLOW METER Install the mass air flow meter with the 2 screws. Connect the mass air flow meter connector.
  2. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 22»(ref-398212-S16707862502011051600000)
  3. INSTALL COWL BODY MOUNTING REINFORCEMENT RH . Refer to «INSTALLATION - Step 23»(ref-398212-S16707862502011051600000)
  4. INSTALL NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL . Refer to «INSTALLATION - Step 24»(ref-398212-S16707862502011051600000)
  5. INSTALL WATER GUARD PLATE RH . Refer to «INSTALLATION - Step 25»(ref-398212-S16707862502011051600000)
  6. INSTALL FRONT WIPER MOTOR AND LINK Install the front wiper motor and link. Refer to «INSTALLATION»(ref-398237-S32958443482011051600000) .

Scheme 222

Scheme 222: ILLUSTRATION
Scheme 222: ILLUSTRATION

Scheme 223

Scheme 223: REMOVAL
Scheme 223: REMOVAL
  1. REMOVE FRONT WIPER MOTOR AND LINK Remove the front wiper and link. Refer to «REMOVAL»(ref-398237-S21502581802011051600000) .
  2. REMOVE WATER GUARD PLATE RH . Refer to «REMOVAL - Step 6»(ref-398212-S03672311542011051600000)
  3. REMOVE NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL . Refer to «REMOVAL - Step 7»(ref-398212-S03672311542011051600000)
  4. REMOVE COWL BODY MOUNTING REINFORCEMENT RH . Refer to «REMOVAL - Step 8»(ref-398212-S03672311542011051600000)
  5. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 9»(ref-398212-S03672311542011051600000)
  6. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 29»(ref-398215-S40139586082011051600000)
  7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY See step 9
  8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY . Refer to «REMOVAL - Step 45»(ref-398215-S40139586082011051600000)
  9. REMOVE CAMSHAFT POSITION SENSOR Disconnect the camshaft position sensor connector. Remove the bolt and camshaft position sensor.

Scheme 224

Scheme 224: INSPECTION
Scheme 224: INSPECTION
  1. INSPECT CAMSHAFT POSITION SENSOR Measure the resistance according to the value(s) in the table below. Standard Resistance Temperature Specified Condition Cold 835 to 1400 ohms Hot 1060 to 1645 NOTE: "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 camshaft position sensor.

Scheme 225

Scheme 225: INSTALLATION
Scheme 225: INSTALLATION
  1. INSTALL CAMSHAFT POSITION SENSOR Apply a light coat of engine oil to the O-ring of the sensor. TEXT IN ILLUSTRATION *1 O-ring NOTE: Make sure that the O-ring is not cracked or jammed when installing it. Install the camshaft position sensor with the bolt. Torque: 6.5 N*m (66 kgf*cm, 57 in.*lbf) Connect the camshaft position sensor connector.
  2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 48»(ref-398215-S14438457332011051600000)
  3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY See step 9
  4. INSPECT FOR OIL LEAK
  5. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 22»(ref-398212-S16707862502011051600000)
  6. INSTALL COWL BODY MOUNTING REINFORCEMENT RH . Refer to «INSTALLATION - Step 23»(ref-398212-S16707862502011051600000)
  7. INSTALL NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL . Refer to «INSTALLATION - Step 24»(ref-398212-S16707862502011051600000)
  8. INSTALL WATER GUARD PLATE RH . Refer to «INSTALLATION - Step 25»(ref-398212-S16707862502011051600000)
  9. INSTALL FRONT WIPER MOTOR AND LINK Install the front wiper motor and link. Refer to «INSTALLATION»(ref-398237-S32958443482011051600000) .
  10. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 95»(ref-398215-S14438457332011051600000)

Scheme 226

Scheme 226: ILLUSTRATION
Scheme 226: ILLUSTRATION

Scheme 227

Scheme 227: REMOVAL
Scheme 227: REMOVAL
  1. REMOVE ELECTRIC INVERTER COMPRESSOR Remove the electric inverter compressor. Refer to «REMOVAL - Step 1»(ref-398224-S38204577302011051600000) .
  2. REMOVE V-RIBBED BELT Remove the V-ribbed belt. Refer to «REMOVAL - Step 1»(ref-398215-S23549445162011051600000) .
  3. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY . Refer to «REMOVAL - Step 4»(ref-398215-S12657249032011051600000)
  4. REMOVE CRANKSHAFT POSITION SENSOR Disconnect the crankshaft position sensor connector. Remove the connector clamp and wire harness clamp. Remove the wire harness clamp bracket from the wire harness. Remove the bolt, and then remove the crankshaft position sensor.
  1. INSTALL SPARK PLUG Install the 4 spark plugs. Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf)
  2. INSTALL IGNITION COIL ASSEMBLY Install the 4 ignition coils with the 4 bolts. Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) Connect the 4 ignition coil connectors.
  3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 95»(ref-398215-S14438457332011051600000)

Scheme 228

Scheme 228: ILLUSTRATION
Scheme 228: ILLUSTRATION

Scheme 229

Scheme 229: REMOVAL
Scheme 229: REMOVAL

Scheme 230

Scheme 230
Scheme 230
  1. REMOVE NO. 1 ENGINE UNDER COVER
  2. DRAIN COOLANT (for Engine) . Refer to «REPLACEMENT - Step 2»(ref-398217-S29765876382011051600000)
  3. REMOVE FRONT WIPER MOTOR AND LINK Remove the front wiper motor and link. Refer to «REMOVAL»(ref-398237-S21502581802011051600000) .
  4. REMOVE WATER GUARD PLATE RH . Refer to «REMOVAL - Step 6»(ref-398212-S03672311542011051600000)
  5. REMOVE NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL . Refer to «REMOVAL - Step 7»(ref-398212-S03672311542011051600000)
  6. REMOVE COWL BODY MOUNTING REINFORCEMENT RH . Refer to «REMOVAL - Step 8»(ref-398212-S03672311542011051600000)
  7. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «REMOVAL - Step 9»(ref-398212-S03672311542011051600000)
  8. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «REMOVAL - Step 29»(ref-398215-S40139586082011051600000)
  9. REMOVE AIR CLEANER CAP SUB-ASSEMBLY See step 9
  10. REMOVE AIR CLEANER CASE SUB-ASSEMBLY . Refer to «REMOVAL - Step 45»(ref-398215-S40139586082011051600000)
  11. SEPARATE ENGINE WIRE Remove the 2 bolts and disconnect the 2 ground cables. Disconnect the 4 connectors. Disconnect the connector clamp from the bracket.
  12. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Using SST, remove the engine coolant temperature sensor and gasket. SST: 09023-12900

Scheme 231

Scheme 231: INSPECTION
Scheme 231: INSPECTION
  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR Using an ohmmeter, measure the resistance between the terminals. TEXT IN ILLUSTRATION *1 Resistance kohms *2 Temperature °C (°F) Standard Resistance Condition Specified Condition 20°C (68°F) 2.32 to 2.59 kohms 80°C (176°F) 0.310 to 0.326 kohms If the result is not as specified, replace the sensor. NOTE: In case of checking the water temperature sensor in water, do not allow water to contact the terminals. After checking, dry the sensor.

Scheme 232

Scheme 232: INSTALLATION
Scheme 232: INSTALLATION
  1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR Install a new gasket onto the engine coolant temperature sensor. Using SST, install the engine coolant temperature sensor. TEXT IN ILLUSTRATION *1 Fulcrum Length 30 mm *2 Fulcrum Length 180 mm SST: 09023-12900 without SST Torque: 20 N*m (200 kgf*cm, 14 ft.*lbf) with SST Torque: 17 N*m (171 kgf*cm, 12 ft.*lbf) NOTE: 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 180 mm (7.09 in.). This torque value is effective when SST is parallel to the torque wrench. Refer to «PRECAUTION»(ref-398089-S41696268642011051600000) . Connect the engine coolant temperature sensor connector.
  2. INSTALL ENGINE WIRE Install the connector clamp from the bracket. Connect the 4 connectors. Install the 2 bolts and disconnect the 2 ground cables.
  3. INSTALL AIR CLEANER CASE SUB-ASSEMBLY . Refer to «INSTALLATION - Step 48»(ref-398215-S14438457332011051600000)
  4. INSTALL AIR CLEANER CAP SUB-ASSEMBLY . Refer to «INSTALLATION - Step 49»(ref-398215-S14438457332011051600000)
  5. ADD COOLANT (for Engine) . Refer to «REPLACEMENT - Step 3»(ref-398217-S29765876382011051600000)
  6. INSPECT FOR COOLANT LEAK (for Engine)
  7. INSTALL NO. 1 ENGINE UNDER COVER
  8. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to «INSTALLATION - Step 22»(ref-398212-S16707862502011051600000)
  9. INSTALL COWL BODY MOUNTING REINFORCEMENT RH . Refer to «INSTALLATION - Step 23»(ref-398212-S16707862502011051600000)
  10. INSTALL NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL . Refer to «INSTALLATION - Step 24»(ref-398212-S16707862502011051600000)
  11. INSTALL WATER GUARD PLATE RH . Refer to «INSTALLATION - Step 25»(ref-398212-S16707862502011051600000)
  12. INSTALL FRONT WIPER MOTOR AND LINK Install the front wiper motor and link. Refer to «INSTALLATION»(ref-398237-S32958443482011051600000) .
  13. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY . Refer to «INSTALLATION - Step 95»(ref-398215-S14438457332011051600000)

Scheme 233

Scheme 233: ILLUSTRATION
Scheme 233: ILLUSTRATION

Scheme 234

Scheme 234: REMOVAL
Scheme 234: REMOVAL
  1. REMOVE INTAKE MANIFOLD Remove the intake manifold. Refer to «REMOVAL»(ref-398234-S24320345052011051600000) .
  2. REMOVE KNOCK SENSOR Disconnect the knock sensor connector. Remove the nut and knock sensor.
  1. INSTALL NO. 1 INTEGRATION RELAY Connect the 3 connectors. Attach the No. 1 integration relay to the engine room relay block.
  2. INSTALL NO. 1 RELAY BLOCK COVER

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