Diagnosis Procedure

1.CHECK TIRE PRESSURE SIGNAL

With scan tool (M.U.T.-III SE)

Select "BCM", "Data List", and "AIR PRESS FL" in this order.
Check that the front left tire pressures match the standard value. Refer to Reference Value.
note BCM holds last tire pressure values during 17 minutes after the electric motor switch turns OFF.

Are all tire pressures displayed 0 kPa (psi)?

2.CHECK BCM POWER SUPPLY CIRCUIT

Check BCM power supply circuit. Refer to Diagnosis Procedure

Is the inspection result normal?

Repair or replace harness or connectors.

3.TIRE PRESSURE SENSOR ID REGISTRATION

Perform tire pressure sensor ID registration. Refer to Description

Can the tire pressure sensor ID registration be completed?

Replace applicable front left tire pressure sensor. Refer to Removal and Installation

4.RECHECK TIRE PRESSURE SIGNAL

With scan tool (M.U.T.-III SE)

Drive the vehicle at 40 km/h (25 mph) or more reaches 10 minuets in total.
note Avoid driving in areas with radio interference.
Stop the vehicle.
Select "BCM", "Data List", and "AIR PRESS FL" in this order.
Check that the front left tire pressures match the standard value. Reference Value.

Is the inspection result normal?

After erasing DTC record, INSPECTION END