Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2f70-01 Stop Lamp
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detecting condition | |
|---|---|---|---|
| B2F70-01 |
Stop lamp (Stop lamp) |
Diagnosis condition | When brake pedal is depressed |
| Signal (terminal) |
|
||
| Threshold | BCM makes a comparison between stop lamp switch 1 signal and stop lamp switch 2 signal. It judges from their values to detect the malfunctioning circuit 10 consecutive times | ||
| Diagnosis delay time | Depress brake pedal 10 times | ||
POSSIBLE CAUSE
-
Harness or connectors
(Stop lamp switch circuit is open or shorted)
-
Stop lamp switch
-
Fuse
FAIL-SAFE
—
CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
Depress brake pedal 10 times.
-
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 STOP LAMP SWITCH
CONSULT
-
Select “Brake switch 1” and “Brake switch 2” in “Data monitor” mode of “BCM [SIGNAL BUFFER]”.
-
Check “Brake switch 1” and “Brake switch 2” indication under the following condition:
| Monitor item | Condition | Indication | |
|---|---|---|---|
| Brake switch 1 | Brake pedal | Depressed | Off |
| Not depressed | On | ||
| Brake switch 2 | Depressed | On | |
| Not depressed | Off | ||
Is the indication normal?
YES>>Stop lamp switch is OK.
NO-1>>Brake switch 1: GO TO 2.
NO-2>>Brake switch 2: GO TO 7.
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 3.
CHECK STOP LAMP SWITCH SIGNAL-1
-
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>>Inspection End.
NO>>GO TO 4.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT-1
-
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 5.
NO>>Check harness for open or short between stop lamp switch and fuse.
CHECK STOP LAMP SWITCH SIGNAL CIRCUIT-1
-
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 6.
NO>>Repair or replace harness.
CHECK STOP LAMP SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace stop lamp switch. Refer to Exploded View (without ProPILOT ASSIST), or Exploded View (with ProPILOT ASSIST).
CHECK FUSE
Check that the following fuse is not blown (open):
| Signal name | Fuse No. |
|---|---|
| Battery power supply | 21 (10 A) |
Is the fuse blown (open)?
YES>>Replace the blown (open) fuse after replacing the cause of blown (open).
NO>>GO TO 8.
CHECK STOP LAMP SWITCH SIGNAL-2
-
Ignition switch OFF.
-
Disconnect BCM connector.
-
Check voltage between BCM harness connector and ground.
(+) (–) Condition Voltage
(Approx.)BCM Connector Terminal E29 (with type B meter) 110 Ground Stop lamp switch 2 ON (brake pedal is depressed) Battery voltage E60 (with type A meter) 115 Stop lamp switch 2 OFF (brake pedal is not depressed) 0 V
Is the inspection normal?
YES>>Inspection End.
NO>>GO TO 9.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT-2
-
Disconnect stop lamp switch connector.
-
Check voltage between stop lamp switch harness connector and ground.
(+) (–) Voltage
(Approx.)Stop lamp switch Connector Terminal E38 1 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 10.
NO>>Check harness for open or short between stop lamp switch and fuse.
CHECK STOP LAMP SWITCH SIGNAL CIRCUIT-2
-
Check continuity between stop lamp switch harness connector and BCM harness connector.
Stop lamp switch BCM Continuity Connector Terminal Connector Terminal E38 2 E29 (with type B meter) 110 Yes E60 (with type A meter) 115 -
Check continuity between stop lamp switch harness connector and ground.
Stop lamp switch — Continuity Connector Terminal E38 2 Ground No
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace harness.
Other materials:
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Power Supply and Ground Circuit
Diagnosis Procedure
CHECK CHASSIS CONTROL MODULE ACCESSORY POWER SUPPLY
Ignition switch OFF.
Disconnect the chassis control module harness connector.
Check the voltage between chassis control module harness connector and ground.
+ — Voltage
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