06/04/2016 @ 13:25:31: Raji: Toyota [Japan]
06/04/2016 @ 13:28:29: Raji: Toyota [Japan]
21/04/2018 @ 14:36:22: Exiv96: Toyota [Japan]
Toyota Van : North-American spec chassis codes
1984 Model Year : 2.0 litre engine (3YEC)
YR21 DX/LE
YR27 (standard panel van)
1986 Model Year : new 2.2 engine (4YEC), new front fascia
YR22 DX/LE
YR29 (standard panel van)
1987 Model Year : 4WD versions available
YR22 DX/LE
YR29 (standard panel van)
YR31 LE 4WD (DX versions were added later)
YR32 (standard panel van) 4WD
Most entries had YR22 codes, probably by default. I've corrected them.