Distance Control Ecu Installation

Cruise Control System. Lexus Is250, Is220D. Gse20 Ale20
Cruise Control. Lexus Is250, Is220D. Gse20 Ale20

  1. INSTALL DISTANCE CONTROL ECU

  2. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  4. INITIALIZE DISTANCE CONTROL ECU

  5. PERFORM INITIALIZATION

Distance Control Ecu -- Installation



1. INSTALL DISTANCE CONTROL ECU


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the distance control ECU with the nut.

    Torque:
    5.5 N*m{56 kgf*cm, 49 in.*lbf}
    NOTICE:
    Do not install the distance control ECU if it has been damaged or impacted in any way.
  1. Connect the distance control ECU connector.



2. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Cruise Control.Cruise Control System.Distance Control Ecu  Installation
  1. Connect the connectors.

  1. Insert the No. 1 instrument panel under cover sub-assembly into the guide as shown in the illustration.

  1. Engage the 2 claws.

  1. Install the No. 1 instrument panel under cover sub-assembly with the 2 screws <E>.



3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


4. INITIALIZE DISTANCE CONTROL ECU
NOTICE:
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 engine switch on (IG).

    2. Turn the cruise control 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 buzzer sounds at this time.

      NOTICE:
      Do not turn the headlight dimmer switch on at this time because the optical axis automatic adjustment mode has already started, which may lead to an incorrect optical axis setting. If the headlight dimmer switch is turned on by mistake, readjust the optical axis.


5. PERFORM INITIALIZATION
NOTICE:
Some systems need initialization when disconnecting the cable from the negative battery terminal (Click here).