WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Active test item	Range	Contents	Execution condition
Lighting Low LH Output	ON/OFF	Forcibly turns on the headlight left side Low beam.	When the battery is connected
Lighting Low RH Output	ON/OFF	Forcibly turns on the headlight right side Low beam.	When the battery is connected
Lighting High LH Output	ON/OFF	Forcibly turns on the headlight left side High beam.	When the battery is connected
Lighting High RH Output	ON/OFF	Forcibly turns on the headlight right side High beam.	When the battery is connected
F Fog Light Output	ON/OFF	Forcibly turns on the F fog light.	When the battery is connected
F Wiper Low Output	ON/OFF	Forcibly activates the F wiper Low.	When ignition switch is ON
F Wiper High Output	ON/OFF	Forcibly activates the F wiper High.	When ignition switch is ON
F Washer Output	ON/OFF	Forcibly activates the F washer.	When ignition switch is ON
R Wiper Output	-	-	-
R Washer Output	-	-	-
Wiper Deicer Output	ON/OFF	Forcibly activates the wiper deicer.	When ignition switch is ON
R Defogger Output	ON/OFF	Forcibly activates the R defogger.	When ignition switch is ON
Outside Buzzer Output	Stop, 1 - 7	Forcibly activates the external buzzer.	With backup fuse
Head Lamp Washer Output	-	-	-

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.

Safety Warning

Active Test: List

Use the Manual With the Right Hardware

When to See a Mechanic

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