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Home >> Lexus >> 2007 >> LS 460 V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Tire Monitoring System >> Tire Pressure Module >> Service and Repair
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Tire Pressure Module: Service and Repair

TIRE PRESSURE WARNING ECU

COMPONENTS:





REMOVAL

NOTICE:
^ When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the intelligent tester and write them down before removal.
^ It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU after the ECU and/or valve and transmitter has been replaced.

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

NOTICE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.

2. REMOVE INSTRUMENT PANEL FINISH PANEL END RH
3. REMOVE INSTRUMENT SIDE PANEL RH
4. REMOVE NO. 2 INSTRUMENT CLUSTER MOLDING
5. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
6. REMOVE INSTRUMENT PANEL LOWER
7. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY
8. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY





9. REMOVE TIRE PRESSURE WARNING ECU
(a) Disconnect the ECU connector.
(b) Remove the bolt and ECU.

INSTALLATION
1. INSTALL TIRE PRESSURE WARNING ECU
(a) Install the ECU with the bolt.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
(b) Connect the ECU connector.
2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
3. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY
4. INSTALL INSTRUMENT PANEL LOWER
5. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
6. INSTALL NO. 2 INSTRUMENT CLUSTER MOLDING
7. INSTALL INSTRUMENT SIDE PANEL RH
8. INSTALL INSTRUMENT PANEL FINISH PANEL END RH
9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
10. CHECK TIRE PRESSURE AFTER REPAIRS
(a) After repairs, confirm that the actual tire pressures are displayed in the DATA LIST.

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