Distance Control Ecu: Installation: Installation

WARNING: This page is about a different car, the 2010 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL DISTANCE CONTROL ECU

Fig 1: Identifying Distance Control (Cruise Control ECU) And Main Body ECU
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Install the ECU with the nut.
  Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
  
  NOTE:
  Do not install the ECU if it has been damaged or if it has received some sort of shock.
2. Connect the ECU connector.
INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY . Refer to INSTALLATION - Step 13
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
INITIALIZE DISTANCE CONTROL ECU
NOTE:
When replacing the distance control ECU, perform the following procedures so that the ECU can recognize the specification.
1. Be sure to perform the following procedures after replacing the distance control ECU.
  1. Turn the power switch ON (IG).
  2. Push the cruise main switch ON.
  3. With the brake pedal depressed, push the cruise control main switch to RES/ACC 3 times within 3 seconds. Check that the VSC buzzer sounds at this time.
    NOTE:
    Do not turn the headlight dimmer switch on at this time because optical axis automatic adjustment mode has already started, which could lead to an incorrect optical axis setting. If the headlight dimmer switch is turned on by mistake, readjust the optical axis.
PERFORM INITIALIZATION
1. Perform initialization. Refer to INITIALIZATION .
  NOTE:
  Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.