Home >> Nissan-Datsun >> 1998 >> Sentra XE L4-1597cc 1.6L DOHC MFI (GA16DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Reading Diagnostic Trouble Codes >> Without Scan Tool >> How to Switch Diagnostic Test Modes