Preliminary Check

Check brake fluid for contamination.

Has brake fluid been contaminated? 

1. Yes: Replace. GO TO 2.
2. No: GO TO 2.

Check brake fluid level in reservoir tank.

Low fluid level may indicate brake pad wear or pad wear or leakage from brake line.

Is brake fluid filled between MAX and MIN lines on reservoir tank? 

1. Yes: GO TO 3.
2. No: Fill brake fluid. GO TO 3.

Fig 1: Checking Brake Fluid Level

Courtesy of NISSAN MOTOR CO., U.S.A.

Check brake line for leakage.

Is leakage present at or around brake lines, tubes or hoses or are any of these parts cracked or damaged? 

1. Yes: Repair or replace as required. GO TO 4.
2. No: GO TO 4.

Fig 2: Checking Brake Line

Courtesy of NISSAN MOTOR CO., U.S.A.

Check brake booster for operation and air tightness. Refer to BRAKE BOOSTER article.

Is brake booster airtight and functioning properly? 

1. Yes: GO TO 5.
2. No: Replace. GO TO 5.

Fig 3: Checking Brake Booster Operation

Courtesy of NISSAN MOTOR CO., U.S.A.

Check brake pad, rotor, shoe and drum.

Refer to BRAKE SYSTEM article.

Are brake pads, rotors, shoes and drums functioning properly? 

1. Yes: GO TO 6.
2. No: Replace.

Fig 4: Checking Brake Pad, Rotor, Shoe And Drum

Courtesy of NISSAN MOTOR CO., U.S.A.

Check brake fluid level in reservoir tank again.

Is brake fluid filled between MAX and MIN lines on reservoir tank? 

1. Yes: GO TO 7.
2. No: Fill brake fluid reservoir to specification.

Fig 5: Checking Brake Fluid Level In Reservoir Tank

Courtesy of NISSAN MOTOR CO., U.S.A.

Check warning lamp activation.

Does warning lamp turn on when ignition switch is turned ON? 

1. Yes: GO TO 8.
2. No: Check fuse, warning lamp bulb and warning lamp circuit.

Fig 6: Checking Warning Lamp Activation

Courtesy of NISSAN MOTOR CO., U.S.A.

Check warning lamp for deactivation after engine is started.

Does warning lamp turn off when engine is started? 

1. Yes: GO TO 9.
2. No (with CONSULT-II): Refer to , "SELF-DIAGNOSIS PROCEDURE ".
3. No (without CONSULT-II): Refer to , "SELF-DIAGNOSIS PROCEDURE ".

Drive vehicle at speeds over 30 km/h (19 MPH) for at least one minute.

Does warning lamp remain off after vehicle has been driven at 30 km/h (19 MPH) for at least one minute? 

1. Yes: INSPECTION END 
2. No (with CONSULT-II): Refer to , "SELF-DIAGNOSIS PROCEDURE ".
3. No (without CONSULT-II): Refer to , "SELF-DIAGNOSIS PROCEDURE ".