DTC B1A10

Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)

DTC Detecting Condition and Trouble Area

DTC detecting condition	Trouble area
B1A10: Tire Pressure Sensor Location Not Detected Location of tire pressure sensor is not detected.	•Wheel speed sensor •Tire pressure sensor No.1, No.2, No.3 and/or No.4 •ECM

DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.

1)Set ignition “OFF” and leave ignition “OFF” for 20 minutes or more.

2)Drive vehicle at 25 km/h (16 mile/h) or more for 10 minutes or more on paved road and winding road as much as possible.

DTC Troubleshooting

Step	Action	Yes	No
1	DTC check 1)Check DTC in ESP^® control module. Is there any DTC(s) detected?	Go to troubleshooting for applicable DTC.	Go to Step 2.
2	DTC check 1)Check DTC in ECM. •M16A model: •K14C model: •D16AA model: Is there any DTC(s) detected?	Go to troubleshooting for applicable DTC.	Go to Step 3.
3	Tire pressure sensor check 1)Adjust each tire pressure to respective specification. 2)Perform DTC Confirmation Procedure and then recheck DTC. Is DTC B1A10 still detected?	Replace defective tire pressure sensor.	Check for intermittent trouble.