DCA

C1A24 NP RANGE

Description

ICC sensor integrated unit judges the NP position status from the shift position signal and current gear position signal received from TCM via CAN communication.


DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A24" is detected along with DTC "U1000", first diagnose the DTC "U1000". DCA.

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE (1)

1.Start the engine.
2.Turn the DCA 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-diagnosis results of "ICC/ADAS".
Is "C1A24" detected as the current malfunction?
YES- .
NO- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE (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-diagnosis results of "ICC/ADAS".
Is "C1A24" detected as the current malfunction?
YES- .
NO- 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.
DCA.
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. 7AT RE7R01A Transmission Range Switch A (VQ-35HR) or 7AT RE7R01B Transmission Range Switch A (VK-50VE)

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?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
A L L Diagnostic Trouble Codes ( DTC ) (VQ-35HR) or A L L Diagnostic Trouble Codes ( DTC ) (VK-50VE).
NO- Replace the ICC sensor integrated unit. DCA.


Special Repair Requirement


DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following operation is performed.
- Removal and installation of ICC sensor integrated unit
- Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT


1. LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Description.
- GO TO 2.

2. CHECK DCA SYSTEM

1.Erase the "self-diagnosis results", and then perform "All DTC Reading" again after performing the action test. (Description(Distance Control Assist) for action test.)
2.Check that the DCA system is normal.
- WORK END