1A
DTC P0571: Brake Switch Circuit
NOTE:
This DTC indicated only with SUZUKI scan tool.
Wiring Diagram
For wiring circuit and connector number, refer to “K9K Engine (Type 5)” in A-4 Engine Control System Circuit Diagram .
Detecting Condition
Status displayed on SUZUKI scan tool Detecting condition Indicator / Warning light operation
CO 0 Open circuit or short circuit to ground Dose not light
D1 No signal
Troubleshooting
Check the connection and condition of the stop (brake) lamp switch connector.
Repair if necessary.
Check the connection and condition of the ECM “E17” connector.
Repair if necessary.
Check the stop (brake) lamp switch referring to Stop (Brake) Lamp Switch Inspection .
Replace the stop (brake) lamp switch if necessary.
Check for insulation, continuity and absence of interference resistance of the connections:
Between “E144-4” terminal of stop (brake) lamp switch connector and “E17-28” terminal of ECM connector
Repair If necessary. If DTC P0571 is still defected, replace the stop (brake) lamp switch.
If DTC P0571 is still detected, replace the ECM.
After Repair
Deal with any faults detected by SUZUKI scan tool.
Clear the DTC.
Carry out a road test followed by another check with the SUZUKI scan tool.