CAUTION / NOTICE / HINT
Note
Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.
w/ Canister Pump Module:
w/o Canister Pump Module:
Before replacing the ECM, refer to Service Bulletin.
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
PROCEDURE
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE ENGINE ROOM ECU COVER
Note
Remove all water on and around the engine room ECU cover.
Perform the inspection indoors to avoid rain.
Be sure to prevent water intrusion to the ECM (connectors and screw parts).
Remove the 3 bolts and engine room ECU cover.
DISENGAGE WIRE HARNESS
Disconnect the engine wire harness connector (A) as shown in the illustration.
Disconnect the 2 engine wire harness connectors (B).
Using a screwdriver, disengage the claw.
Disengage the clamp and disconnect the connector holder from the engine room ECU box.
Disconnect the 6 ECM connectors and disengage the wire harness from the engine room ECU box.
Note
After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.
Disconnect the transmission control ECU assembly connector.
Disengage the wire harness clamp.
Disengage the wire harness from the engine room ECU box.
REMOVE ECM
Remove the 2 nuts and ECM from the engine room ECU box.
Note
If the ECM has been struck or dropped, replace it.
REMOVE NO. 1 ECM BRACKET
Remove the 2 screws and No. 1 ECM bracket from the ECM.
REMOVE NO. 2 ECM BRACKET
Remove the 2 screws and No. 2 ECM bracket from the ECM.