Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2921-A2 Driver Seat Control Unit
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B2921-A2 |
Driver seat control unit (Driver seat control unit) |
Diagnosis condition | The power consumption control of driver seat control unit is in wake-up state |
| Signal (terminal) | Battery power supply (terminal #48) | ||
| Threshold | 8 V or less | ||
| Diagnosis delay time | 1 second or more | ||
POSSIBLE CAUSE
-
Fuse
-
Driver seat control unit battery power supply harness is open or shorted
-
Driver seat control unit
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self diagnosis result” mode of “DRIVER SEAT”.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK FUSE
-
Ignition switch OFF.
-
Check that the following fuse is not blown (open):
Signal name Fuse No. Capacity Battery power supply 54 20 A
Is the fuse blown (open)?
YES>>Replace the blown (open) fuse after repairing the affected circuit.
NO>>GO TO 2.
CHECK BATTERY POWER SUPPLY VOLTAGE
-
Disconnect driver seat control unit connector.
-
Check voltage between driver seat control unit harness connector and ground.
(+) (—) Voltage
(Approx.)Driver seat control unit Connector Terminal B214 48 Ground Battery voltage
Is the inspection result normal?
YES>>Replace driver seat control unit. Refer to Removal and Installation.
NO>>Repair the driver seat control unit battery power supply circuit.
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DTC Description
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CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
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00
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Diagnosis condition
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Signal (terminal)
—
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DTC Description
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Removal and Installation. Battery Terminal with Fusible Link
Exploded View
Battery terminal with fusible link
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
Removal and Installation
REMOVALDisconnect the battery cable from the negative terminal. Refer to Exploded View.
CAUTION:
To prevent damage to the parts, disc ...
