Owners Manual
Page 256
...I /M test even the malfunction indicator lamp does not come on, contact your Toyota dealer to service the vehicle. However, when the battery is disconnected or run down, the codes are taken. '03 Tacoma U (L/O 0209) Emissions Inspection and Maintenance (I/M) programs Some states have if the... malfunction indicator lamp not come on, your vehicle may not the I/M test as a loose fuel tank cap, your vehicle may not pass the I/M test. 256 2003 MY TACOMA (OM35800U)...
...I /M test even the malfunction indicator lamp does not come on, contact your Toyota dealer to service the vehicle. However, when the battery is disconnected or run down, the codes are taken. '03 Tacoma U (L/O 0209) Emissions Inspection and Maintenance (I/M) programs Some states have if the... malfunction indicator lamp not come on, your vehicle may not the I/M test as a loose fuel tank cap, your vehicle may not pass the I/M test. 256 2003 MY TACOMA (OM35800U)...