Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2419-12 Open Switch
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B2419-12 |
Open switch (Open 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) | Open switch signal | ||
| Threshold | When automatic back door control unit detect power short of open switch circuit | ||
| Diagnosis delay time | 1 second or less | ||
POSSIBLE CAUSE
-
Harness or connector (open switch circuit is power short)
-
Automatic back door control unit
-
Back door lock assembly (open switch)
FAIL-SAFE
Inhibit automatic back door system all 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 OPEN 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 | 11 | Ground | Back door | Closure operation | 0 – 1 V |
| Other than above | Battery voltage | ||||
Is the inspection result normal?
YES>>GO TO 2.
NO>>GO TO 5.
CHECK CONNECTOR
-
Ignition switch OFF.
-
Check the automatic back door control unit harness connector for disconnection or looseness.
-
Check the touch sensor RH harness connector for disconnection or looseness.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair/replace harness or connector, securely lock the connector, and GO TO 5.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check the automatic back door control unit power supply and ground circuits. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair/replace harness, connector, fuse, or fusible link, and GO TO 5.
CHECK TERMINAL
-
Ignition switch OFF.
-
Disconnect automatic back door control unit harness connector and then check the automatic back door control unit pin terminals for damage or loose connection with harness connector.
-
Disconnect touch sensor RH harness connector and check touch sensor RH pin terminal for damage or loose connection with harness connector.
Is the inspection result normal?
YES>>Replace automatic back door control unit. Refer to Removal and Installation.
NO>>Repair/replace harness, connector, or terminal.
CHECK OPEN 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 11 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:
Eps/dast 3 Branch Line Circuit (chasssis Can Communication 1 Circuit)
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
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