Diagnostic Aids

Scan tester should indicate a vehicle speed whenever the drive wheels are turning faster than 3 MPH. Check white wire for proper connections. Ensure wire connector is clean and tight and harness is routed correctly. For intermittent inspection, see INTERMITTENTS in appropriate TESTS W/O CODES article in the ENGINE PERFORMANCE Section.

Fig 1: Code No. 24 Schematic (1.6L Turbo) VSS Circuit

Fig 2: Code No. 24 Flow Chart (1.6L Turbo) VSS Circuit