| Component Location |
| E/R Junction Block |

| Circuit (E/R Junction Block) |

| PCB Block |

| Circuit (PCB Block) |

Component Location[Engine Room]1. Engine room junction block[Interior Relay]1. Smart junction block (SJB)2. ICM relay block
Inspection1.Disconnect the negative (-) battery terminal.2.Pull out the relay from the engine compartment relay block.Power Relay (Type A) Check for continuity between the terminals.
Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).
Diagnosis with GDS1.REAR CORENER RADAR system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis.2.Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.