The following model codes have been used by Toyota. The letters of the model code is found by combining the letters of the engine code with the platform code. If the engine code and the platform code have two letters each, the middle letter is computed according to this formula:
A10/A20/A30
A40/A50
A60
A70
A80
RA Platform (8R, 16R, 18R, 19R, 20R, 21R, 22R engine)
TA Platform (T, 2T, 3T, 4T, 12T, 13T engine)
AA Platform (3A, 4A engine)
CA Platform (1C engine)
KA Platform (5K engine)
SA Platform (1S, 2S engine)
GA Platform (1G engine)
MA Platform (3M, 4M, 5M, 6M, 7M engine)
JZA Platform (1JZ, 2JZ engine)
E10
E20
E30/E40/E50/E60
E70
E80
E90
E100
E110
E120/E130
E140/E150
E160
E170
KE Platform (K, 2K, 3K, 4K, 5K engine)
TE Platform (T, 2T, 3T engine)
AE Platform (3A, 4A engine)
CE Platform (1C, 2C engine)
ZZE Platform (1ZZ engine)
AZE Platform (2AZ engine)
NZE Platform (1NZ engine)
ZRE Platform (2ZR engine)
J
J20/J30
J40
J50
J60
J70
J80
J90
J100
J120
J150
J200
BJ Platform (Type B engine)
FJ Platform (F, 2F, 3F engine)
BJ Platform (B, 2B, 3B, 13B engine)
HJ Platform (H, 2H, 12H engine)
LJ Platform (2L, 5L engine)
HZJ Platform (1HZ engine)
KZJ Platform (KZ engine)
FZJ Platform
PZJ Platform (1PZ engine)
HDJ Platform (1HD-T and 1HD-FT engines)
KDJ Platform (1KD engine)
VDJ Platform (1VD-FTV engine)
UZJ Platform (2UZ-FE V8)