Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2f71-23 Stop Lamp
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detecting condition | |
|---|---|---|---|
| B2F71-23 |
Stop lamp (Stop lamp) |
Diagnosis condition | When brake pedal is depressed |
| Signal (terminal) | Stop lamp switch 1 signal | ||
| Threshold | When stop lamp switch 1 signal is not input when brake pedal depressed. | ||
| Diagnosis delay time | 10 hours or more | ||
POSSIBLE CAUSE
-
Harness or connectors
(Stop lamp switch circuit is short to battery)
-
Stop lamp switch
-
Fuse
-
BCM
FAIL-SAFE
—
CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
Depress brake pedal 10 hours or more.
-
Ignition switch ON.
-
Select “Self diagnosis result” mode of “BCM”.
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 FUSE
Check that the following fuse is not blown (open):
| Signal name | Fuse No. |
|---|---|
| Battery power supply | 32 (5 A) |
Is the fuse blown (open)?
YES>>Replace the blown (open) fuse after replacing the cause of blown (open).
NO>>GO TO 2.
CHECK STOP LAMP SWITCH SIGNAL
-
Ignition switch OFF.
-
Disconnect BCM connector.
-
Ignition switch ON.
-
Check voltage between BCM harness connector and ground.
(+) (–) Condition Voltage
(Approx.)BCM Connector Terminal E29 (with type B meter) 111 Ground Stop lamp switch 1 ON (brake pedal is not depressed) Battery voltage E60 (with type A meter) 116 Stop lamp switch 1 OFF (brake pedal is depressed) 0 V
Is the inspection normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>GO TO 3.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect stop lamp switch connector.
-
Ignition switch ON.
-
Check voltage between stop lamp switch harness connector and ground.
(+) (–) Voltage
(Approx.)Stop lamp switch Connector Terminal E38 4 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 4.
NO>>Check harness for open or short between stop lamp switch and fuse.
CHECK STOP LAMP SWITCH SIGNAL CIRCUIT
-
Ignition switch OFF.
-
Check continuity between stop lamp switch harness connector and BCM harness connector.
Stop lamp switch BCM Continuity Connector Terminal Connector Terminal E38 3 E29 (with type B meter) 111 Yes E60 (with type A meter) 116 -
Check continuity between stop lamp switch harness connector and ground.
Stop lamp switch — Continuity Connector Terminal E38 3 Ground No
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness.
CHECK STOP LAMP SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Replace stop lamp switch. Refer to Exploded View (without ProPILOT ASSIST), or Exploded View (with ProPILOT ASSIST).
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