LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2UZ-FE) - System And CIRUIT Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> Knock Sensor >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE ( ) 
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: 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 ( COOLANT  ) 
  4. REMOVE V-BANK COVER SUB-ASSEMBLY (See  REMOVAL   ) 
  5. DISCONNECT FUEL RETURN HOSE (See  REMOVAL  ) 
  6. DISCONNECT FUEL MAIN HOSE ( REMOVAL  ) 
  7. REMOVE INTAKE AIR CONNECTOR PIPE (See  REMOVAL   ) 
  8. REMOVE INTAKE MANIFOLD ASSEMBLY ( REMOVAL  ) 
  9. REMOVE AIR PUMP ASSEMBLY ( REMOVAL  ) 
  10. REMOVE KNOCK CONTROL SENSOR 
    1. Disconnect the 2 knock sensor connectors.
    2. Remove the nut and 2 knock sensors.
    Fig 1: Identifying Knock Sensor Connectors
    G04061674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002