Operation CHARM: Car repair manuals for everyone.

B2622




Description

Detects whether Intelligent Key is inside the vehicle.
Installed under the center console.


DTC Logic

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Check Intelligent Key relative signal strength
- Confirm vehicle Intelligent Key antenna signal strength

DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Perform front console antenna INSIDE ANT DIAGNOSIS on "Work Support" of "INTELLIGENT KEY".
2.Perform "INTELLIGENT KEY" Self Diagnostic Result.
Is front console antenna DTC detected?
YES- .
NO- Front console antenna is OK.


Diagnosis Procedure

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Check Intelligent Key relative signal strength
- Confirm vehicle Intelligent Key antenna signal strength
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 1

1.Turn ignition switch OFF.





2.Check signal between BCM connector and ground with oscilloscope.





Is the inspection result normal?
YES- Check the condition of harness and connector.
NO- GO TO 2

2. CHECK FRONT CONSOLE ANTENNA CIRCUIT

1.Disconnect BCM and front console antenna connector.





2.Check continuity between BCM connector and front console antenna connector.





3.Check continuity between BCM connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness between BCM and front console antenna.

3. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 2

1.Replace front console antenna (new antenna or other antenna).
2.Connect BCM and front console antenna connector.





3.Check signal between BCM connector and ground with oscilloscope.






Is the inspection result normal?
YES- Replace front console antenna. Disassembly And Assembly.
NO- Replace BCM. Service and Repair.