HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Tire Pressure Module: Service and Repair
Removal
TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING ECU: REMOVAL
CAUTION:
Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system
before servicing See: Restraint Systems/Air Bag Systems/Service Precautions.
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs registered in the tire pressure warning ECU and make a
note of them before removing the tire pressure warning ECU.
1. PRECAUTION (w/ Navigation System)
NOTICE:
After the power switch is turned off, the display and navigation module display (HDD navigation system) records various types of
memory and settings. As a result, after turning the power switch off, make sure to wait at least 60 seconds before disconnecting the
cable from the negative (-) battery terminal.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
(a) Open the front luggage compartment trim cover and disconnect the cable from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
3. REMOVE FRONT DOOR SCUFF PLATE RH See: Relays and Modules - Power and Ground Distribution/Power Distribution Module/Service
and Repair/Removal
4. REMOVE FRONT DOOR OPENING TRIM COVER RH See: Relays and Modules - Power and Ground Distribution/Power Distribution
Module/Service and Repair/Removal
5. REMOVE COWL SIDE TRIM BOARD RH See: Relays and Modules - Power and Ground Distribution/Power Distribution Module/Service and
Repair/Removal
6. REMOVE INSTRUMENT SIDE PANEL RH See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and
Repair/Removal and Replacement/Upper Instrument Panel/Removal
7. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY See: Body and Frame/Interior Moulding / Trim/Dashboard /
Instrument Panel/Service and Repair/Removal and Replacement/Upper Instrument Panel/Removal
8. REMOVE FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY See: Restraint Systems/Air Bag Systems/Air Bag/Service and
Repair/Removal and Replacement/Knee Airbag Assembly (for Front Passenger Side)/Removal
9. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument
Panel/Service and Repair/Removal and Replacement/Upper Instrument Panel/Removal
10. REMOVE ECU INTEGRATION BOX RH See: Relays and Modules - Power and Ground Distribution/Power Distribution Module/Service and
Repair/Removal
11. REMOVE TIRE PRESSURE WARNING ECU
(a) Disengage the 2 claws to remove the tire pressure warning ECU from the ECU integration box.