Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2409-12 Half Latch Switch
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B2409-12 |
Half latch switch (Half latch switch) |
Diagnosis condition | When the door unlock operates while ignition switch is OFF (auto ACC OFF status) or the battery terminal is removed |
| Signal (terminal) | Half latch switch signal | ||
| Threshold | Automatic back door control unit detect power short of half latch switch circuit | ||
| Diagnosis delay time | 1 second or less | ||
POSSIBLE CAUSE
-
Harness or connector (half latch switch circuit is power short)
-
Automatic back door control unit
-
Back door lock assembly (half latch switch)
FAIL-SAFE
Inhibit automatic back door system [only operate back door closure function (open function)]
DTC CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
When the door unlock operates by Intelligent Key or door request switch while ignition switch is OFF (auto ACC OFF status).
-
Select “Self diagnosis result” mode of “AUTOMATIC BACK DOOR”.
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 HALF LATCH SWITCH INPUT SIGNAL
Check voltage between automatic back door control unit harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| Automatic back door control unit | |||||
| Connector | Terminal | ||||
| B55 | 10 | Ground | Back door | Open | 0 – 1 V |
| Fully closed/ half latch | Battery voltage | ||||
Is the inspection result normal?
YES>>Replace automatic back door control unit. Refer to Removal and Installation.
NO>>GO TO 2.
CHECK HALF LATCH SWITCH CIRCUIT
-
Disconnect automatic back door control unit connector and back door lock assembly connector.
-
Check voltage between automatic back door control unit harness connector and ground.
Automatic back door control unit — Voltage
(Approx.)Connector Terminal B55 10 Ground 0 V
Is the inspection result normal?
YES>>Replace back door lock assembly. Refer to Removal and Installation.
NO>>Repair or replace harness.
Other materials:
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customer's comments. Refer to Diagnostic Work ...
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Dtc/circuit Diagnosis. B2409-14 Half Latch Switch
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC Detection Condition
B2409-14
Half latch switch
(Half latch switch)
Diagnosis condition
When back door open
Signal (terminal)
Half latch switch signal
Threshold
Automat ...