Toyota Yaris 1st (Echo) (2000–2005) — Key Programming Reference

- Difficulty
- easy
- Lishi / lockout
- TOY43
Key fobs & transponder keys (3 variants)
| Key | Years | FCC ID | P/N | Chip | Freq | Battery | Blade |
|---|---|---|---|---|---|---|---|
| mechanical · 90999-00199 / TOY41R | 2000–2005 all markets — US/Canada Echo (no chip), EU Yaris + JDM Vitz/Platz + AU Echo (Texas 4C immobiliser on equipped trims) | n/a | 90999-00199 | none / Texas 4C | n/a | n/a | TOY41R |
| 303.89 MHz · BAB237131-056 | 2000–2003 NA — optional dealer/port-installed VIP RS3200 alarm only | BAB237131-056 | 08191-00922 | none | 303.89 MHz | CR2025 | n/a |
| 314.35 MHz · HYQ12BBX | 2004–2005 NA — factory-installed keyless entry option | HYQ12BBX | 89742-42120 | none | 315 MHz | CR2016 | n/a |
Programming procedures
What the job needs
- Add a key: 1 existing working key required.
- All keys lost: no existing working key needed.
- PIN / security code: No PIN — mechanical only.
- Online / server access: not required (offline programming).
- On-board (no tool) sequence: possible for this case.
- On site: engine off · n/a — no programming required · n/a.
- Bring: Photo ID + vehicle registration.
Notes & cautions
- This chassis (Toyota Yaris/Echo XP10 2000-2005) is mechanical-only on US-market — no factory transponder, no IMMO. Standard key cutting only (TOY41R blade). Verify by reading existing key with chip reader before quoting; EU/JDM trims had IMMO with Texas 4C chip.
- Verify correct blade profile from existing key before cutting.
- Verify correct blade profile from original key or lock cylinder before cutting.
Lockout
Door pick / decode: Lishi TOY43 (CW).
52 verified sources · Last verified: 2026-08-10
Open full case in KeyAssist →Step-by-step tool menu paths, verified source links and video guides for this case are in the KeyAssist app — free to start, works offline.