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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DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detected condition
B2231-16
Battery voltage
(Battery voltage)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
Battery power supply
Threshold
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DTC Description
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Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the front camera unitfor damage, bend and loose connection (unit side and connector side).
Is the inspection result no ...