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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKES - ABS (DIAGNOSTICS)ABS WARNING LIGHT/ BRAKE WARNING LIGHT ILLUMINATION PATTERNABS WARNING LIGHT DOES NOT GO OFF
2005 Subaru Outback i, Standard

Abs Warning Light Does Not Go Off

2005 Subaru Outback i, StandardSECTION Abs Warning Light Does Not Go Off

DETECTING CONDITION: 

  • Defective combination meter
  • Open in harness

TROUBLE SYMPTOM: 

When starting the engine, the ABS warning light is kept on.

WIRING DIAGRAM: 

Fig 1: Anti Brake System Wiring Diagram And View Of Connectors (ABS Warning Light Does Not Go Off)
G03832836Courtesy of SUBARU OF AMERICA, INC.
INSPECTION DETAILS - ABS WARNING LIGHT DOES NOT GO OFF

Step Check Yes No
1. READ DTC. 
Read the DTC. < Ref. to , READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is DTC displayed? Perform the diagnosis according to DTC. Go to step 2. 
2. CHECK WIRING HARNESS. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector (B301) from ABSCM&H/U.
  3. Disconnect the connector (i10) from the combination meter.
  4. Measure the resistance between ABSCM connector and combination meter connector.

    Connector & terminal 

    (B301) No. 22-(i10) No. 5: 

 Is the resistance less than 0.5 ohm? Go to step 3.  Repair the harness and connector between ABSCM&H/U and combination meter connector.
3. CHECK POOR CONTACT IN CONNECTOR. 
Check poor contact in all connectors.		 Is there poor contact? Repair the connector. Go to step 4. 
4. CHECK ABSCM. 
  1. Connect the connector (B301) to the ABSCM&H/U.
  2. Turn the ignition switch to ON.
  3. Measure the resistance between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 5-Chassis ground: 

 Is the resistance less than 0.5 ohm? Check the combination meter. Replace the ABSCM only. < Ref. to REPLACEMENT , ABS Control Module and Hydraulic Control Unit (ABSCM&H/U). >
RENDER: 1.0x

NO RELATED

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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.