Nissan Maxima Service and Repair Manual: C1155 BR fluid level low

Description

The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actuator and electric unit (control unit).

DTC Logic

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Nissan Maxima. CHECK SELF-DIAGNOSIS RESULTS

Diagnosis Procedure

CAUTION: Check brake fluid level in brake reservoir tank before starting inspection.

1.CONNECTOR INSPECTION

  1. Turn ignition switch OFF.
  2. Disconnect brake fluid level switch connector and combination meter connector.
  3. Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminals.
  4. Reconnect connector and perform self-diagnosis

2.CHECK BRAKE FLUID LEVEL SWITCH

Perform the brake fluid level switch component inspection

3.CHECK BRAKE FLUID LEVEL SWITCH HARNESS

Nissan Maxima. CHECK BRAKE FLUID LEVEL SWITCH HARNESS

  1. Disconnect combination meter connector.
  2. Check continuity between combination meter connector M24 (A) terminal 27 and brake fluid level switch connector E24 (B) terminal 1.
  3. Check continuity between combination meter connector M24 (A) terminal 27 and ground.

Nissan Maxima. CHECK BRAKE FLUID LEVEL SWITCH HARNESS

Nissan Maxima. CHECK BRAKE FLUID LEVEL SWITCH HARNESS

4.CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Nissan Maxima. CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch connector E24 terminal 2 and ground.

Nissan Maxima. CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Component Inspection

1.CHECK BRAKE FLUID LEVEL SWITCH

Nissan Maxima. .CHECK BRAKE FLUID LEVEL SWITCH

  1. Turn ignition switch OFF.
  2. Disconnect brake fluid level switch connector.
  3. . Check continuity between brake fluid level switch terminals 1 and 2.

Nissan Maxima. .CHECK BRAKE FLUID LEVEL SWITCH

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