Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Subaru Baja Base, AutomaticFACTORY OEM SERVICE PROCEDURE
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
|
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
|
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.
|
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. |
Factory Service Tools
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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.