Cruise Control Module: Service and Repair

Distance Control ECU:

DISTANCE CONTROL ECU

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.

2. REMOVE FRONT DOOR SCUFF LH PLATE
3. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LOWER
4. REMOVE HEADLIGHT LEVELING ECU ASSEMBLY
5. REMOVE DISTANCE CONTROL ECU ASSEMBLY WITH SKID CONTROL BUZZER ASSEMBLY




a. Disconnect the 2 connectors.




b. Remove the bolt and distance control ECU assembly with skid control buzzer assembly.

6. REMOVE SKID CONTROL BUZZER ASSEMBLY




a. Disengage the clamp and remove the skid control buzzer assembly from the distance control ECU assembly.

INSTALLATION

1. INSTALL SKID CONTROL BUZZER ASSEMBLY




a. Engage the clamp to install the skid control buzzer assembly.

2. INSTALL DISTANCE CONTROL ECU ASSEMBLY WITH SKID CONTROL BUZZER ASSEMBLY




a. Install the distance control ECU assembly with skid control buzzer assembly with the bolt.

NOTE: Do not install the distance control ECU assembly if it has been damaged or impacted in any way.




b. Connect the 2 connectors.

3. INSTALL HEADLIGHT LEVELING ECU ASSEMBLY
4. INSTALL INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LOWER
5. INSTALL FRONT DOOR SCUFF LH PLATE
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
7. INITIALIZE DISTANCE CONTROL ECU ASSEMBLY

NOTE: After replacing the distance control ECU, it is necessary to initialize the distance control ECU so that the ECU can recognize the specification of the vehicle.

a. Be sure to perform the following procedures after replacing the distance control ECU.
1. Turn the ignition switch to the on position.
2. Turn 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 buzzer sounds at this time.

NOTE: 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.

8. PERFORM INITIALIZATION

NOTE: Some systems need initialization when disconnecting the cable from the negative battery terminal.