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.

2006 Subaru B9 Tribeca BaseFACTORY OEM SERVICE PROCEDURE

Sub Switch

Measure the switch resistance.

Fig 1: Identifying Sub Switch Connector Terminals

Courtesy of SUBARU OF AMERICA, INC.

MAIN SWITCH RESISTANCE (PASSENGER'S SEAT AND REAR SEAT)

	Switch position	Terminal No.	Standard
Passenger's seat and rear seat	UP	5 and 8, 7 and 4	Less than 1 Ω
	OFF	6 and 5, 7 and 4	Less than 1 Ω
	DOWN	8 and 7, 6 and 5	Less than 1 Ω

Replace the sub switch if faulty.

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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.