Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PARKING BRAKE SWITCH

Turn the ignition switch OFF.
Disconnect parking brake switch harness connector.

Check the continuity between parking brake switch terminal and ground.

Parking brake switch	-	Condition	Continuity
Terminal	-	Condition	Continuity
1	Ground	When parking brake switch is pressed	Existed
1	Ground	When parking brake switch is released	Not existed

Is the inspection result normal?

YES

INSPECTION END

Replace the parking brake switch. Refer to REMOVAL AND INSTALLATION .