1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (diagnostic tool).The diagnostic system (diagnostic tool) provides the following information.
(1)Fault Code Searching : Checking failure and code number (DTC)
(2)Data Analysis : Checking the system input/output data state
(3)Actuation test : Checking the system operation condition
(4)S/W Management : Controlling other features including system option setting and zero point adjustment
2.If diagnose the vehicle by diagnostic tool, select "DTC Analysis" and "Vehicle".
3.If check current status, select the "Data Analysis" and "Car model".
4.Select the 'IBU_BCM' to search the current state of the input/output data.
5.To forcibly actuate the input value of the module to be checked, select option 'Actuation Test'.
1.Disconnect the negative (-) battery terminal.
2.Remove the front door trim.(Refer to Body - "Front Door Trim")
3.Remove the mirror switch assembly (A)
1.Install the power mirror switch.
2.Install the front door trim after connecting the connector.
3.Connect the negative (-) battery terminal.
Hyundai Tucson (NX4) 2022-2025 Service Manual: Relay Box (Engine Compartment)
- Inspection
Power Relay (Type A)
1.There should be continuity between the No.30 and No.87 terminals
when power and ground are connected to the No.85 and No.86 terminals.
2.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.[Engine room relay box]
...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Forward Safety warning light. Lane Safety indicator light
Forward Safety warning light
This warning light illuminates:
When the ignition switch is in the ON
position. The Forward Safety warning
light illuminates for about 3 seconds
and then goes off.
Whenever a malfunction with Forward
Collision-Avoidance Assist is detected.
If this ...