Nissan Rogue (T33) 2021-Present Service Manual: C1f95-11 System Backup Function
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| C1F95 | 11 |
System BU func power supply circ (System backup function power supply circuit) |
Diagnosis condition | When engine is running |
| Signal (terminal) | — | |||
| Threshold |
When any of the following conditions occur
|
|||
| Diagnosis delay time | Continues within 1 second to 20 seconds or more (depending on the threshold) | |||
POSSIBLE CAUSE
-
DC / DC converter
-
Power network separate relay
-
12V sub battery (Li-on battery)
-
CAN communication circuit
-
12V battery
FAIL-SAFE
The following system are cancelled.
-
Lane keep function*
-
Lane change support function
-
Overtaking support function
-
Route driving support function
*: ProPILOT Assist 2.1 display is blue
CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC “C1F95-11” is displayed with Network-DTC, first diagnose the Network-DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start the engine, and then wait for 20 seconds or more.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “C1F95-11” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “C1F95-11” detected as the current malfunction?
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
If DTC “C1F95-11” is displayed with Network-DTC, first diagnose the Network-DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
CHECK ECM SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “Side radar (Rear left)” or "ENGINE".
Is any DTC detected?
YES>>Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO>>GO TO 2.
CHECK POWER NETWORK SEPARATE RELAY SELF-DIAGNOSIS RESULTS
Check if “B23C0-04” is detected in “Self Diagnostic Result” of “PNS relay".
Is any DTC detected?
YES>>Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Diagnosis Procedure.
NO>>GO TO 2.
CHECK 12V SUB BATTERY (Li-ON BATTERY) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “Li-ON 12V battery".
Is any DTC detected?
YES>>Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO>>Perform “All DTC Reading” with CONSULT and delete the memory of self-diagnosis results.
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