Home >> Toyota >> 1990 >> Corolla Wagon 4WD L4-96.8 1587cc 1.6L DOHC (4A-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Related Diagnostic Procedures >> Test No.1