DTC B2275: STSW Monitor Malfunction: Procedure

CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU)

OK: Go to next step
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)

OK: Go to next step
CHECK FOR DTC
1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Turn the power switch on (IG).
3. After 25 seconds have elapsed, check if the DTC has been set again.
  OK
  
  DTC B2275 is not output.
NG → See step 4

OK → See step 5
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL