Power Circuit Inspection

IG key "OFF".
Disconnect IBU*_BCM* connector.
IG key "ON", Engine "OFF".
Measure the voltage between "ON/START input" terminal of IBU*_BCM* harness connector and Chassis Ground.
Specification: Battery voltage
Is the measured voltage within the specification?
YES
- Substitute with a known-good IBU*_BCM*, check for proper operation.
  → Repair or replace as necessary, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Repair Open/Poor Connection between "ON/START input" terminal of IBU*_BCM* harness connector and Chassis Ground.
  → Repair or replace as necessary, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE: IBU*: "BCM"
BCM*: "BCM"