Hyundai Sonata: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Disconnect the ASCC ECU connector (A).
3.
Remove the ASCC ECU (C) after remove the installation nut (B).

Installation
1.
Install in the reverse order of removal.
Adjustment
AEB Variant Coding Procedure
As the advanced smart cruise control ECU is integrated with the AEB unit, perform "AEB variant coding procedure" when replacing the advanced smart cruise control ECU.
(Refer to Brake System - "Autonomous Emergency Brake (AEB) System".)
Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams
Circuit Diagram Terminal Function No. Description 1L-CAN [Low] 2L-CAN [High] 20IGN1 21Ground 22C-CAN [High] 23C-CAN [Low] ...

Emission Control System
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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Audio Remote Control (Sonata Sports) Schematic Diagrams
Circuit Diagram ...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs.     • If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide) 2. Check if sparks occur. (1) Remove the engi ...

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