Removal [09/2022 - 11/2022]: Procedure
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- PRECAUTION NOTE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Refer to PROCEDURE - Step 2
- REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
See step 2
- REMOVE RADIATOR SUPPORT OPENING COVER
Refer to PROCEDURE - Step 1
- REMOVE INLET NO. 1 AIR CLEANER
Refer to PROCEDURE - Step 4
- REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
Refer to PROCEDURE - Step 2
- REMOVE AIR CLEANER CASE SUB-ASSEMBLY
- REMOVE ECM
- Disengage the claw and 2 guides to remove the No. 1 relay block cover from the No. 1 engine room relay block and No. 1 junction block assembly.
- Disconnect the 3 connectors from the No. 1 engine room relay block and No. 1 junction block assembly.
- Disengage the 2 claws to separate the engine wire from the No. 1 engine room relay block and No. 1 junction block assembly.
- Raise the 2 lock levers while pushing the locks on the levers, and disconnect the 2 ECM connectors.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.
- Remove the bolt and nut.
- Disengage the guide to remove the ECM.NOTE:
If the ECM has been struck or dropped, replace it.
- Disengage the claw and 2 guides to remove the No. 1 relay block cover from the No. 1 engine room relay block and No. 1 junction block assembly.
- REMOVE NO. 1 ECM BRACKET
- REMOVE NO. 2 ECM BRACKET