Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2008 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Emergency Contact Module >> Service and Repair >> Bus Buffer ECU >> Installation
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Installation









CELLULAR COMMUNICATION: BUS BUFFER ECU: INSTALLATION

HINT:
A bolt without a torque specification is shown in the standard bolt chart Standard Bolt - Specified Torque For Standard Bolts.

1. INSTALL BUS BUFFER ECU






(a) Install the ECU with the nut as shown in the illustration.
Torque: 12 Nm (122 kgf-cm, 9 ft-lbf)
2. INSTALL TELEPHONE ECU ASSEMBLY WITH BRACKET Installation

3. INSTALL REAR CONSOLE END PANEL SUB-ASSEMBLY Installation

4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable some, systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.

5. INSTALL ENGINE ROOM SIDE COVER LH Installation

6. CHECK SRS WARNING LIGHT
(a) Check the SRS warning light Diagnosis System.
pro multis · About Operation CHARM