Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000ZMUW
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): PROBLEM SYMPTOMS TABLE; 2017 - 2020 MY Sienna [08/2016 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Engine Immobiliser System

Symptom

Suspected Area

See page

Engine does not start because no initial combustion occurs

Proceed to "Engine does not Start because No Initial Combustion"

2017 - 2020 MY Sienna [08/2016 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): Engine does not Start because No Initial Combustion

Engine does not start but initial combustion

Proceed to "Engine does not Start but Initial Combustion Occurs"

2017 - 2020 MY Sienna [08/2016 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): Engine does not Start but Initial Combustion Occurs

Security indicator light does not blink

Proceed to "Security Indicator Light Does not Blink"

2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): Security Indicator Light Does not Blink

Key cannot be registered

Proceed to "Key Cannot be Registered"

2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): Key Cannot be Registered