P0504

DTC P0504: Brake Switch "A"/"B" Correlation

Wiring Diagram

J24B model

Wiring Diagram:

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure

J24B model:
1. With ignition switch turned OFF, connect scan tool to DLC.
2. Turn ON ignition switch and clear DTC.
3. Start engine and warm up to normal operating temperature.
4. Drive vehicle at 50 km/h (31 mph) or higher for 3 min. or more.
5. Stop vehicle.
6. Depress brake pedal for 3 times.
7. Check DTC.

DTC Troubleshooting

NOTE: Before this trouble shooting, read and observe Precautions for DTC Troubleshooting: J24B or Precautions for DTC Troubleshooting: N32A.

Step 1-3: