Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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.