Engine Control System - System Testing; Component Inspection, Removal & Installation: ECM: Removal

REMOVE COWL TOP VENTILATOR LOUVER RH (See REMOVAL )
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.

NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE ENGINE ROOM SIDE COVER LH (See REMOVAL )
REMOVE ENGINE ROOM ECU COVER
NOTE:
- Wipe off any water on or around the engine room ECU cover.
- Perform these procedures in a dry place away from rain, etc.
- Do not allow water to enter the ECM through its connectors areas, screw areas, etc.
1. Remove the 3 bolts and engine room ECU cover.
Fig 1: Locating Engine Room ECU Cover Bolts
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REMOVE TCM
1. Disconnect the 4 TCM connectors.
2. Remove the 2 nuts and TCM.
Fig 2: Locating TCM Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DISCONNECT NO. 2 CONNECTOR HOLDER
1. Disconnect the 2 engine wire connectors.
2. Disconnect the 2 claws with the connector holder.
Fig 3: Locating No. 2 Connector Holder
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ECM
1. Disconnect the 6 ECM connectors.
2. Remove the 2 nuts and ECM.
Fig 4: Locating ECM Connectors With Nuts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002