Toyota Corolla 4-door sedan 1984-1987 Key Codes

The Toyota Corolla 4-door sedan 1984-1987 uses key code series K, with 3,406 documented codes spanning the range K1-K400, K1511-K1910, K2221-K2620, K3731-K4400, K4401-K4570, K5001-K6368. Uses a 6-cut double-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer. The lock is decodable with a Lishi tool — sign in for the specific match.

Code prefix
K
Code range
K1-K400, K1511-K1910, K2221-K2620, K3731-K4400, K4401-K4570, K5001-K6368
Years
1984-1987
Total codes
3,406
Lishi decodable
Yes — sign in for tool name
Cuts per key
6
Last verified
Verification pending

Common questions

What key code series does the Toyota Corolla 4-door sedan 1984-1987 use?
The Toyota Corolla 4-door sedan 1984-1987 uses key code series K, with 3,406 documented codes ranging from K1-K400, K1511-K1910, K2221-K2620, K3731-K4400, K4401-K4570, K5001-K6368.
Can the Toyota Corolla 4-door sedan 1984-1987 lock be decoded?
Yes. A Lishi-style 2-in-1 decoder reads the door or ignition lock without disassembly, revealing the bitting code that can be cross-referenced against this series' key code database. The specific Lishi tool match for this vehicle is available to signed-in locksmiths.
How many cuts does a Toyota Corolla 4-door sedan 1984-1987 key have?
6 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.

Get the full code list — $9.99/mo, 3-day free trial. Sign in to view bittings, depths, and Lishi cut maps for this series.

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