Nissan Murano: Dtc/circuit Diagnosis / Brake Warning Lamp

Component Function Check

CHECK BRAKE WARNING LAMP FUNCTION (1)

Check that brake warning lamp in combination meter turns ON for 1 second after ignition switch ON.

CAUTION:

Never start the engine.

Is the inspection result normal?

GO TO 2.

Proceed to Diagnosis Procedure.

CHECK BRAKE WARNING LAMP FUNCTION (2)

Check that brake warning lamp 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?

GO TO 3.

Check the parking brake switch 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 within 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?

Inspection End.

Check the brake fluid level switch system. Refer to DTC Diagnosis Procedure.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

GO TO 2.

Repair or replace error-detected parts.

PERFORM THE SELF DIAGNOSTIC RESULT

CONSULT

1. Ignition switch OFF → ON.

   CAUTION:

   • Be sure to wait 10 seconds after ignition switch OFF or ON.

   • Start the engine.

2. Repeat step 1 two or more times.

3. Select “Self Diagnostic Result” mode of “ABS”.

Is any DTC detected?

Check the DTC. Refer to DTC Index.

GO TO 3.

CHECK BRAKE WARNING LAMP SIGNAL

CONSULT

1. Select “EBD WARN LAMP” in “Data Monitor” mode of “ABS”.

2. Ignition switch OFF.

3. Check that “Data Monitor” displays “On” for 1 second after ignition switch ON and then changes to “Off”.

   CAUTION:

   Never start the engine.

Is the inspection result normal?

Replace the combination meter. Refer to Removal and Installation.

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.