Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000ZN99
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: THEFT DETERRENT / KEYLESS ENTRY: SECURITY HORN ASSEMBLY: REMOVAL; 2017 - 2020 MY Sienna [08/2016 -        ]

REMOVAL

PROCEDURE

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here 2017 MY Sienna [08/2016 - 11/2017]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION 2018 - 2020 MY Sienna [11/2017 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

2. REMOVE AIR CLEANER INLET ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE BATTERY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

4. REMOVE SECURITY HORN ASSEMBLY

(a) Disconnect the connector.

(b) Remove the bolt.

(c) Disengage the guide to remove the security horn assembly.