U1504

U1504 SIDE RDR L CAN 1

DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "U1504" is detected along with DTC "U1000", or "U1508", first diagnose the DTC "U1000" or "U1508".
- Refer to "SIDE RADAR LH : DTC Logic" BSW for DTC "U1000".
- Refer to "DTC Logic" U1508 for DTC "U1508".

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Turn the BSW system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "U1504" is detected as the current malfunction in "Self Diagnostic Result" of "BSW".
Is "U1504" detected as the current malfunction?
YES- Refer to "Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


Diagnosis Procedure


1. CHECK SELF-DIAGNOSIS RESULTS

Check if "U1000" or "U1508" is detected other than "U1504" in "Self Diagnostic Result" of "BSW".
Is "U1000" or "U1508" detected?
YES-1- U1000 detected: Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to "BSW CONTROL MODULE : DTC Logic" BSW.
YES-2- U1508 detected: Refer to "DTC Logic" U1508.
NO- GO TO 2.

2. CHECK SIDE RADAR LH SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in "Self Diagnostic Result" of "SIDE RADAR LEFT".
Is any DTC detected?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to "DTC Index" Testing and Inspection.
NO- Replace the BSW control module. Refer to "Removal and Installation" Service and Repair.