Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSTOYOTA2009TUNDRA 2WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIRREMOVAL
2009 Toyota Tundra 2WD V8-4.7L (2UZ-FE)
Removal
2009 Toyota Tundra 2WD V8-4.7L (2UZ-FE)SECTION Removal
2UZ-FE ENGINE CONTROL SYSTEM: ECM: REMOVAL
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. DISCONNECT CONNECTOR HOLDER BLOCK
(a) Remove the 3 bolts and move the connector holder block so that the ECM can be removed in the next step.
3. REMOVE ECM
(a) Raise the 2 levers while pushing the locks on the 2 levers.
NOTE: Make sure that the lock lever is raised 90° as shown in the illustration before disconnecting the connectors. Failure to do this may cause the connectors to break.
(b) Disconnect the 2 connectors.
(c) Remove the 4 bolts and ECM.
4. REMOVE ECM GASKET
(a) Peel off the rubber part of the gasket.
(b) Spray gasket remover or equivalent on the remaining tape of the gasket.
NOTE: When using gasket remover or equivalent, cover the ECM connector with a cloth.
(c) Use a cutter knife to remove the tape of the gasket.
NOTE: Do not damage the ECM seal's surface with the knife.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.