WARNING: This page is about a different car, the 1992 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DR-1 Test Schematic - 1.5L MPI System Fault Codes
Fig 2: DR-1 Test Flow Chart - 1.5L (1 Of 2) MPI System Fault Codes
Fig 3: DR-1 Test Flow Chart - 1.5L (2 Of 2) MPI System Fault Codes