Operation CHARM: Car repair manuals for everyone.

P0504

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

Wiring Diagram

Wiring Diagram:





DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:





DTC Confirmation Procedure

WARNING:
^ When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
^ Road test should be carried out by 2 persons, a driver and a tester.


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. (ECT approx. 90 - 95 °C, 194 - 203 °F)
4. Drive vehicle at 50 km/h (80 mph) or higher for 3 min. or more.
5. Stop vehicle.
6. Depress brake pedal for 3 times.
7. Check DTC.

DTC Troubleshooting

Step 1-3:




Step 4: