Nissan Note [1850/1872] Dtc p0703 brake switch

Nissan Note [1850/1872] Dtc p0703 brake switch
EC-1850
[K9K]
DTC P0703 BRAKE SWITCH
DTC P0703 BRAKE SWITCH
PFP:22693
Description
BBS00470
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is driving.
On Board Diagnosis Logic
BBS00472
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present when the ignition switch is ON, when decelerating or when the brake pedal
is depressed.
DTC No. Trouble diagnosis name Possible cause
P0703
BRAKE SWITCH CIRCUIT
1.DEF: Signal absent
2.DEF: Inconsistency
Harness or connectors
(Stop lamp switch circuit is open or shorted.)
Stop lamp switch

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