Removal
2UZ-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR:
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
- Some systems need to be initialized after the cable is reconnected (Repair Instruction - Initialization).
- After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.
2. REMOVE INTAKE MANIFOLD ASSEMBLY
(a) Remove the intake manifold (Removal).
3. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY (Removal)
4. REMOVE NO. 4 AIR INJECTION SYSTEM HOSE
5. REMOVE KNOCK SENSOR
(a) Disconnect the 2 sensor connectors.
(b) Remove the 2 nuts and 2 sensors.