Monitor DTC Status

P0703 Stop Lamp Switch (Brake SW)

Short (+B) - Scantool Diagnostics:_:Monitor Scantool Data

Monitor Scantool Data

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




5. Does "STOP LAMP SWITCH" follow the referance data?
YES
1) Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (PCM) memory was not cleared. Throughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to "Verification Vehicle Repair" procedure
NO
1) Go to "W/Harness Inspection" procedure