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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLVEHICLE DYNAMICS CONTROL SYSTEM (DIAGNOSTICS)WARNING LIGHT ILLUMINATION PATTERNBRAKE WARNING LIGHT DOES NOT GO OFFWIRING DIAGRAM
2014 Subaru Outback 2.5i, Standard Trans

Brake Warning Light Does Not Go Off: Wiring Diagram

2014 Subaru Outback 2.5i, Standard TransSECTION Wiring Diagram

Parking brake/brake fluid level warning light system < Refer to appropriate SYSTEM WIRING DIAGRAM. >

Fig 1: Parking Brake/Brake Fluid Level Warning Light System Wiring Diagram
G08583478Courtesy of SUBARU OF AMERICA, INC.
Step Check Yes No
1 CHECK INSTALLATION OF VDCCM&H/U CONNECTOR. 
  1. Turn the ignition switch to OFF.
  2. Check that the VDCCM&H/U connector is inserted until it is locked by clamp.
 Is the connector firmly inserted? Go to step 2  . Insert the VDCCM&H/U connector until it is locked by clamp.
2 READ DTC. 
Read the DTC. < Refer to READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is DTC displayed Perform the diagnosis according to DTC. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Go to step 3  .
3 CHECK BRAKE FLUID AMOUNT. 
Check the amount of brake fluid in the reservoir tank of master cylinder.		 Does the level of the brake fluid amount fall between the lines of "MAX" and "MIN"? Go to step 4  . Replenish brake fluid to the specified value.
4 CHECK BRAKE FLUID LEVEL SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the level switch connector (B16) from master cylinder.
  3. Measure the resistance of master cylinder terminals.

    Terminals 

    No. 1 - No. 2: 

 Is the resistance 1 MΩ or more? Go to step 5  . Replace the master cylinder. < Refer to MASTER CYLINDER . >
5 CHECK GROUND SHORT OF HARNESS. 
  1. Disconnect the connector from the combination meter.
  2. Measure the resistance between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 24 - Chassis ground: 

 Is the resistance 1 MΩ or more? Go to step 6  . Repair the harness connector between combination meter and brake fluid level switch.
6 CHECK LAN SYSTEM. 
Perform the diagnosis for LAN system. < Refer to BASIC DIAGNOSTIC PROCEDURE . >		 Is there any fault in LAN system? Perform the diagnosis according to DTC for LAN system. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Go to step 7  .
7 CHECK COMBINATION METER. 
Check the combination meter. < Refer to SELF-DIAGNOSIS DISPLAY MODE , OPERATION, Combination Meter System. >		 Is combination meter OK? Perform the diagnosis for the parking brake system. < Refer to READ DIAGNOSTIC TROUBLE CODE (DTC) . > Replace the combination meter. < Refer to COMBINATION METER . >
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.