Power Source Mode does not Change to ON (ACC): Procedure

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

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

OK: Go to next step
INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY (ACC RELAY) See step 3
NG → REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

OK: Go to next step
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - DRIVER SIDE JUNCTION BLOCK ASSEMBLY) See step 4
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) See step 6
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
CHECK POWER MANAGEMENT CONTROL ECU See step 6
NG → See step 8

OK: Go to next step
CONFIRMATION TEST See step 6
NG → CHECK RELAY CONTACT SIDE CIRCUIT

OK → See step 9
REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING