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 BRAKE WARNING LAMP FUNCTION (1)

Check that brake warning lamp turns ON for approximately several second after ignition switch is turned ON.

CAUTION:
Never set the vehicle to READY/Never start the engine.

Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Proceed to DIAGNOSIS PROCEDURE .

CHECK BRAKE WARNING LAMP FUNCTION (2)

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is operated.

NOTE:
Brake warning lamp turns ON when parking brake is operated (when parking brake switch is ON).

Is the inspection result normal?

YES

GO TO STEP 3 .

NO

Check the parking brake system. Refer to DIAGNOSIS PROCEDURE .

CHECK BRAKE WARNING LAMP FUNCTION (3)

Check that brake warning lamp in combination meter turns ON/OFF when brake fluid level switch is operated while brake fluid level in reservoir tank is at the specified level.

NOTE:
Brake warning lamp turns ON when brake fluid is less than the specified level (when brake fluid level switch is ON).

Is the inspection result normal?

YES

INSPECTION END

NO

Check the brake fluid level switch system. Refer to DIAGNOSIS PROCEDURE .