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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> U1502 ICC Sensor Can Comm CIRC >> ADAS Control Unit >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition
 
U1502 08 ICC SEN CAN COMM CIR(ICC sensor CAN communication circuit) Diagnosis condition
  • When engine is running
  • When MAIN switch of distance system is ON
Signal (terminal) CAN communication signal
Threshold ADAS control unit detects an error signal that is received from distance sensor via CAN communication
Diagnosis delay time 1 second or less

POSSIBLE CAUSE 

Distance sensor

FAIL-SAFE 

The following systems are canceled.

CONFIRMATION PROCEDURE 

  1. CHECK DTC PRIORITY 

    If DTC "U1502-08" is displayed with DTC "U1000-01", first diagnose the DTC "U1000-01".

    Is applicable DTC detected?

    >>

    Perform diagnosis of applicable. Refer to DTC Description .

    >>

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start the engine.
    2. Turn the MAIN switch of ICC/ProPILOT Assist system ON.
    3. Perform "All DTC Reading" with CONSULT.
    4. Check if the "U1502-08" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".

    Is "U1502-08" detected as the current malfunction?

    >>

    Refer to Diagnosis Procedure .

    >>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    >>

    Confirmation after repair: INSPECTION END