| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018CTW |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: INSTALLATION; 2018 - 2020 MY Sienna [11/2017 - ] | ||
INSTALLATION
PROCEDURE
1. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
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(a) Engage the 2 claws to install the certification ECU (smart key ECU assembly). |
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2. INSTALL ECU INTEGRATION BOX RH
(a) Install the ECU integration box RH with the 2 nuts and bolt.
(b) Engage the 2 clamps.
HINT:
If the vehicle is equipped with a wire harness clamp, engage the clamp.
(c) Connect each connector.
3. INSTALL MAYDAY ECU ASSEMBLY (w/ Mayday System)
Click here
![2018 - 2020 MY Sienna [11/2017 - ]; CELLULAR COMMUNICATION: MAYDAY ECU: INSTALLATION+](/t3Portal/stylegraphics/info.gif)
4. INSTALL PARKING ASSIST ECU (w/ Panoramic View Monitor System)
Click here
5. INSTALL GLOVE COMPARTMENT DOOR SUB-ASSEMBLY
(See page
)
6. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP RH
7. INSTALL COWL SIDE TRIM BOARD RH
(See page
)
8. INSTALL FRONT DOOR SCUFF PLATE RH
(See page
)
9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page
).
10. REGISTER KEY
NOTICE:
When replacing the certification ECU (smart key ECU assembly), perform registration (See page
).
11. REGISTER ECU COMMUNICATION ID
NOTICE:
When replacing the certification ECU (smart key ECU assembly), perform registration (See page
).
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