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.
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HOMESERVICE MANUALSSUBARU1998LEGACY BRIGHTON WAGON AWD F4-2.2L SOHCREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESDIAGNOSTIC PROCEDURE: CONTROL MODULE POWER SUPPLY/GROUND
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Diagnostic Procedure: Control Module Power Supply/Ground
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Diagnostic Procedure: Control Module Power Supply/Ground
Step 1 - 2:
E : DIAGNOSTICS PROCEDURE FOR SECURITY CONTROL MODULE POWER SUPPLY/GROUND CIRCUIT
1. CHECK FUSE AND POWER SUPPLY CIRCUIT.
1. Check fuse No.25.
2. Measure voltage between main fuse box connector and body.
Connector & terminal / Specified voltage:
(F35) No. 2 - Body / 10 V, or more
3. Disconnect connector from security control module.
4. Measure voltage between security control module connector and body.
Connector & terminal / Specified voltage:
(B93) No.8 - Body / 10 V, or more
5. Check fuse No.3.
6. Turn ignition switch to ACC.
7. Measure voltage between fuse and relay box connector and body.
Connector & terminal / Specified voltage:
(i5) No.13 - Body / 10 V, or more
8. Disconnect connector from security control module.
9. Measure voltage between security control module connector and body.
Connector & terminal / Specified voltage:
(B93) No.6 - Body / 10 V, or more
2. CHECK GROUND CIRCUIT BETWEEN SECURITY CONTROL MODULE AND BODY.
1. Turn ignition switch to OFF.
2. Disconnect connector of security control module.
3. Measure resistance of harness connector between security control module and body.
Connector & terminal / Specified resistance:
(B93) No.9 - Body / 10 Ohm, max.
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.