Scantool Diagnostics

Automatic Transaxle
P0703 Stop Lamp (Brake) Switch Circuit Malfunction - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to data link connector (DLC).
2. Ignition "ON" & Engine "OFF".
3. Monitor the "BRAKE LAMP SWITCH" parameter on the scantool.
4. Depress and release Foot Brake pedal.








Fig 1) Brake s/w OFF
Fig 2) Brake s/w ON
5. Does "Brake s/w" follow the referance data?