SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSUBARU2004OUTBACK LIMITED, 4D SEDAN, EJ259REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSECURITY AND LOCKSKEYLESS ENTRY SYSTEMINSPECTIONCHECK OUTPUT SIGNAL TO INTEGRATED MODULE
2004 Subaru Outback Limited, 4D Sedan, EJ259

Check Output Signal To Integrated Module

2004 Subaru Outback Limited, 4D Sedan, EJ259SECTION Check Output Signal To Integrated Module
CHECKING STEPS REFERENCE

Step Check Yes No
1 CHECK OUTPUT SIGNAL. 
Measure the voltage between the keyless entry control module harness connector terminal and chassis ground when UNLOCK/DISARM button of transmitter is pressed.
Connector & terminal 
  1. (B176) No. 2 (+) - Chassis ground (-): 
 Is the measured value less than 1.5 V? Go to step 2. Replace the keyless entry control module.
2 CHECK OUTPUT SIGNAL. 
Measure the voltage between the keyless entry control module harness connector terminal and chassis ground when LOCK/ARM button of transmitter is pressed.
Connector & terminal 
  1. (B176) No. 1 (+) - Chassis ground (-): 
 Is the measured value less than 1.5 V? Go to step 3. Replace the keyless entry control module.
3 CHECK HARNESS BETWEEN KEYLESS ENTRY CONTROL MODULE AND INTEGRATED MODULE. 
  1. Disconnect the keyless entry control module harness connector and integrated module harness connector.
  2. Measure the resistance between the keyless entry control module harness connector terminal and integrated module harness connector terminal.

    Connector & terminal 

    1. (B176) No. 2 - (B280) No. 14: 
    2. (B176) No. 1 - (B280) No. 13: 
 Is the measured value less than 10Ω? Replace the integrated module. Check the harness for open circuit or shorts between the keyless entry control module and integrated module.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.