Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2042-4a Electric Shift Authentication Fail
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detecting condition | |
|---|---|---|---|
| B2042–4A |
Electric shift authentication fail (Electric shift authentication fail) |
Diagnosis condition | When ignition switch is turned from OFF to ON |
| Signal (terminal) | CAN communication signal | ||
| Threshold | When Intelligent Key unit cannot detect CAN communication with electric shift control module | ||
| Diagnosis delay time | 1 second or less | ||
POSSIBLE CAUSE
-
Harness or connectors
(The CAN communication line is open or shorted)
-
Electric shift control module
FAIL-SAFE
Prohibit shifting the shift selector from P position
CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
Ignition switch ON.
-
Select “Self diagnosis result” mode of “INTELLIGENT KEY”.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK DTC PRIORITY OF INTELLIGENT KEY UNIT
CONSULT
-
Select “Self diagnosis result” mode of “INTELLIGENT KEY”.
-
If DTC B2042–4A is displayed with two or more DTCs are detected, refer to DTC inspection priority chart, and determine trouble diagnosis.
Is applicable DTC detected?
YES>>Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index.
NO>>GO TO 2.
CHECK DTC PRIORITY OF ELECTRIC SHIFT CONTROL MODULE
CONSULT
Select “Self diagnosis result” mode of “SHIFT”.
Is the DTC detected?
YES>>Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index.
NO>>Replace electric shift control module. Refer to Removal and Installation.
Other materials:
Symptom Diagnosis. Intelligent Key Low Battery Warning Does Not Operate
Diagnosis Procedure
CHECK INFORMATION DISPLAY
Check information display.
Refer to Work flow.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
CHECK INTELLIGENT KEY BATTERY
Check Intelligent Key battery.
Refer to Component Inspe ...
Door Lock Function
System Description
SYSTEM DIAGRAMDoor lock function controls operation function of the following items.
Door lock and unlock function (door request switch)
Selective unlock function (door request switch)
Reminder function (door request switch)
Auto door lock function (door request ...
Chassis Can Communication 4 Circuit
Diagnosis Procedure
CHECK NETWORK DIAGNOSIS
Check the "Network diagnosis" results from CONSULT to see that the diagnostic CAN communication circuit have no malfunction.
Are the diagnostic CAN communication circuit normal?
YES>>
GO TO 2.
NO>>
Check and repair diagnostic CAN commu ...
