Cruise Control System

C1A24 NP RANGE

DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A24" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ADAS CONTROL UNIT : DTC Logic" Cruise Control.

DTC CONFIRMATION PROCEDURE


1. CHECK DTC REPRODUCE (1)

1.Start the engine.
2.Turn the MAIN switch of ICC system ON.
3.Wait for approximately 5 minutes or more after shifting the selector lever to "P" position.
4.Perform "All DTC Reading" with CONSULT.
5.Check if the "C1A24" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "C1A24" detected as the current malfunction?
YES- Refer to "Diagnosis Procedure" .
NO- GO TO 2.

2. CHECK DTC REPRODUCE (2)

1.Wait for approximately 5 minutes or more after shifting the selector lever to "N" position.
2.Perform "All DTC Reading".
3.Check if the "C1A24" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "C1A24" 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" is detected other than "C1A24" in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES- Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
Refer to "ADAS CONTROL UNIT : DTC Logic" Cruise Control.
NO- GO TO 2.

2. CHECK TCM DATA MONITOR

Check that "SLCT LVR POSI" operates normally in "DATA MONITOR" of "TRANSMISSION".
Is the inspection result normal?
YES- GO TO 3.
NO- Perform diagnosis for transmission range switch circuit and repair or replace the malfunctioning parts. Refer to "Removal and Installation" Removal and Installation.

3. PERFORM TCM SELF-DIAGNOSIS

1.Perform "All DTC Reading".
2.Check if any DTC is detected in "Self Diagnostic Result" of "TRANSMISSION".
Is any DTC detected?
Revision: March 20122013 Infiniti JX
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
"DTC Index" A L L Diagnostic Trouble Codes ( DTC ).
NO- Replace the ADAS control unit. Refer to "Removal and Installation" Removal and Installation.
Revision: March 20122013 Infiniti JX