ENGINE IMMOBILISER SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Engine does not start. | Key | |
| Steering lock system | ||
| Entry and start system (for start function) | ||
| SFI system (for 2GR-FE) | ||
| SFI system (for 1AR-FE) | ||
| Blocking system | ||
| Security indicator light is always on. | Certification ECU (smart key ECU assembly) | |
| Wire harness or connector | - | |
| Multi-media module receiver assembly*1 | - | |
| Radio receiver assembly*2, *3 | - | |
| Security indicator light is off. | Certification ECU (smart key ECU assembly) | |
| Wire harness or connector | - | |
| Multi-media module receiver assembly*1 | - | |
| Radio receiver assembly*2, *3 | - |
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*1: w/ Navigation System
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*2: w/ Audio and Visual System (w/ Multi-display)
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*3: w/ Audio and Visual System (w/o Multi-display)
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*4: w/ Blocking system