Nissan Rogue (T33) 2021-Present Service Manual: U2443-57 Vcm/hpcm

Without Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• MAC communication error

• ADAS control unit 2 used in other vehicles is installed in the Nissan Ariya vehicle

• ADAS control unit 2

• ECM

FAIL-SAFE

The following systems are canceled.

• Vehicle-to-vehicle distance control mode

• Steering wheel assistance function

• Conventional (fixed speed) cruise control mode

• FEB

• RAB

• PFCW

• LDP

• Blind Spot Intervention

• TSR

• DAA

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “U2443–57” is displayed with DTC “U1327-52” or DTC“U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is “U1327-52” or DTC“U1327-54” detected?

Perform diagnosis of applicable. Refer to the following.

• U1327-52: Refer to DTC Description.

• U1327-54: Refer to DTC Description.

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

1. Ignition switch ON.

2. Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is “U2443-57” detected as the current malfunction?

Refer to DTC Diagnosis Procedure.

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

Confirmation after repair: INSPECTION END

With Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• MAC communication error

• ADAS control unit 2 used in other vehicles is installed in the Nissan Ariya vehicle

• ADAS control unit 2

• ECM

FAIL-SAFE

The following systems are canceled.

• Vehicle speed & vehicle-to-vehicle control function

• Lane keep function^*1

• Lane keep function^*2

• Lane change support function

• Overtaking support function

• Route driving support function

• FEB

• RAB

• PFCW

• LDP

• Blind Spot Intervention

• TSR

• DAA

*1: ProPILOT Assist 2.1 display is green

*2: ProPILOT Assist 2.1 display is blue

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “U2443–57” is displayed with DTC “U1327-52” or DTC“U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is “U1327-52” or DTC“U1327-54” detected?

Perform diagnosis of applicable. Refer to the following.

• U1327-52: Refer to DTC Description.

• U1327-54: Refer to DTC Description.

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

1. Ignition switch ON.

2. Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is “U2443-57” detected as the current malfunction?

Refer to DTC Diagnosis Procedure.

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

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC “U2443-57” is displayed with DTC “U1327-52” or “U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is DTC “U1327-52” or “U1327-54” detected?

Perform diagnosis of applicable. Refer to the following.

• U1327-52: Refer to DTC Description (Without ProPILOT Assist 2.1) or DTC Description (With ProPILOT Assist 2.1).

• U1327-54: Refer to DTC Description (Without ProPILOT Assist 2.1) or DTC Description (With ProPILOT Assist 2.1).

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is DTC “U2443-57” detected with DTC “U2140-57”, “U2143-57”, “U214F-57”, “U2175-57”, “U2176-57”, “U2440-57”, "U2441-57", “U244F-57", “U2465-57”, and "U2476-57" at the same time?

Replace the ADAS control unit 2. Refer to Removal and Installation.

GO TO 3.

CHECK CAN DIAGNOSIS

With CONSULT

Perform "CAN Diag".

Is the inspection result normal?

Contact Techline and report the Nissan Ariya vehicle condition.

Repair or replace root cause.