Engine Control System (Service Information) (2GR-FE): ECM: Removal: Removal

NOTE:

Before removing the tire pressure warning ECU, read the registered transmitter IDs of all wheels and write them down to use for re-registration of transmitter IDs. Refer to REGISTRATION .

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
WARNING:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
REMOVE FRONT DOOR SCUFF PLATE RH
Refer to REMOVAL - Step 19
REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH
Refer to REMOVAL - Step 20
REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY . Refer to REMOVAL - Step 25
REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY . Refer to REMOVAL - Step 26
REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System) . Refer to REMOVAL - Step 5
REMOVE ECM
1. Disconnect the 6 ECM connectors.
  
  Fig 1: Locating ECM Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the tire pressure warning ECU connector and remove the nut and tire pressure warning ECU.
  
  Fig 2: Locating Tire Pressure Warning ECU Connector And Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Separate the 2 wire harness clamps.
  
  Fig 3: Locating Nuts, Bolt And ECM With Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 2 nuts, bolt and ECM with the ECM brackets.
5. Remove the 4 screws and 2 ECM brackets from the ECM.
  
  Fig 4: Locating Screws And ECM Brackets
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002