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 MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINTERIOR/ILLUMINATION LIGHTSLIGHTING SYSTEMCOMBINATION SWITCH (LIGHT)INSPECTION
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Combination Switch (Light): Inspection
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection
- Measure the resistance between connector terminals.
Preparation tool:
Circuit tester
- Lighting switch (except for C5 model)
Terminal No. Inspection conditions Standard 18 - 12
19 - 12
20 - 12Switch OFF 1 MΩ or more 19 - 12 Switch AUTO Less than 1 Ω 18 - 12 Switch 1 (TAIL) Less than 1 Ω 18 - 12
20 - 12Switch 2 (HEAD) Less than 1 Ω - Lighting switch (C5 model)
Terminal No. Inspection conditions Standard 18 - 12 Switch OFF Less than 1 Ω 18 - 12
19 - 12
20 - 12Switch AUTO 1 MΩ or more 19 - 12 Switch 1 (TAIL) Less than 1 Ω 19 - 12
20 - 12Switch 2 (HEAD) Less than 1 Ω - Dimmer & passing switch
Terminal No. Inspection conditions Standard 11 - 12
17 - 12Switch PASS Less than 1 Ω 11 - 12 Switch UP Less than 1 Ω - Turn signal switch
Terminal No. Inspection conditions Standard 13 - 12 Switch TURN (RH) Less than 1 Ω 15 - 12 Switch TURN (LH) Less than 1 Ω - Front fog light switch
Terminal No. Inspection conditions Standard 4 - 3 Switch OFF 1 MΩ or more Switch ON Less than 1 Ω
- Lighting switch (except for C5 model)
- Replace the switch assembly - combination turn dimmer if the inspection result is not within the standard value.
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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.