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Home >> Lexus >> 2007 >> LX 470 V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Emergency Contact Module >> Service and Repair >> Removal and Replacement
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Removal and Replacement

Mayday ECU:





MAYDAY ECU

REMOVAL

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.

2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY
3. REMOVE REAR CONSOLE END PANEL SUBASSEMBLY
4. REMOVE REAR RADIO CONTROL PANEL
5. REMOVE REAR CONSOLE BOX SUB-ASSEMBLY




6. REMOVE MAYDAY ASSEMBLY
a. Remove the 3 bolts and disconnect the connectors.
b. Remove the Mayday assembly.

INSTALLATION




1. INSTALL MAYDAY ASSEMBLY
a. Install the Mayday assembly.
b. Install the 3 bolts and connect the connectors.

2. INSTALL REAR CONSOLE BOX SUB-ASSEMBLY
3. INSTALL REAR RADIO CONTROL PANEL
4. INSTALL REAR CONSOLE END PANEL SUBASSEMBLY
5. INSTALL UPPER CONSOLE PANEL SUB-ASSEMBLY
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

7. PERFORM INITIALIZATION
a. Perform initialization. Testing and Inspection

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

8. PERFORM REGISTRATION
a. Perform registration. Testing and Inspection

HINT: When replacing the Mayday battery or the Mayday ECU assembly (together with Mayday battery), perform registration.

9. CHECK SRS WARNING LIGHT
a. Check the SRS warning light.
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