Infinite health: down, A, right, left, right, R, right, down, up, Y
Infinite ammo: L, R, X, R, left, Black, R, left, X, down L, L
Lock wanted level: B, right, B, right, X, Y, up
Every single time I booted up San Andreas on the OG Xbox, I entered in those codes before l even left the safe house. And because infinite health doesn't cover damage from drowning, falling or explosions, this next one popped up about every ten minutes:
$250K, health and armor: R, Black, L, A, left, down, right, up, left, down, right, up