POKEMON DIAMOND
For those struggling with chimchar, turtwig, piplup, try this codes if you are on v1.1.1
[Encounter On (v1.1.1)]
04000000 01737594 18FFFDDA
04000000 017375B8 18FFFC94
[Encounter Off (v1.1.1)]
04000000 0173757C 2A0503F8
04000000 01737590 2A0103F9
04000000 01737594 2A0003FA
04000000 017375B8 794033B4
[Encounter #387 Turtwig (v1.1.1)]
08000000 01737548 00000183 00000000
[Encounter #390 Chimchar (v1.1.1)]
08000000 01737548 00000186 00000000
[Encounter #393 Piplup (v1.1.1)]
08000000 01737548 00000189 00000000
[Encounter #490 Manaphy (v1.1.1)]
08000000 01737548 000001EA 00000000
[Encounter #493 Arceus (v1.1.1)]
08000000 01737548 000001ED 00000000
steps
1. TURN ON ENCOUNTER,
2. TURN ON POKEMON YOU WANT,
3. AFTER YOU SEE/CATCH IT, TURN OFF ALL AND ACTIVATE ENCOUNTER OFF, THEN TURN IT BACK OFF
4. REPEAT STEPS TO CHANGE POKEMON
i had those ones:
[Encounter #387 Turtwig (v1.1.0)]
08000000 01AFBBF8 00000183 00000000
[Encounter #390 Chimchar (v1.1.0)]
08000000 01AFBBF8 00000186 00000000
[Encounter #393 Piplup (v1.1.0)]
08000000 01AFBBF8 00000189 00000000
and it didnt worked for me until i changed as i mention above