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.
Rear Seat Heater Test (2016-18): Test
Rear Seat Cushion Heater
- Cargo Area Cover - Remove
- Rear Seat Cushion Heater - Test
1. Disconnect the seat cushion heater connectors (A) 2. Check for continuity between the terminals according to the table.
Right Rear Seat Cushion Heater Connector A4 A2 A4 A5 A1 B3 A3 B2 A6 B4 3. If the continuity is not as specified, replace the left rear seat cushion heater - Refer to: Seat Heater Replacement (2013-18), or Rear Seat Heater Replacement (2016-18), or Front Seat Heater Replacement (2016-18), or Seat Heater Replacement - Ventilated Seats (2016-18) .
4. Check for continuity between the terminals according to the table.
Left Rear Seat Cushion Heater Connector No. 3 No. 2 No. 3 No. 4 5. If the continuity is not as specified, replace the right rear seat cushion heater - Refer to: Seat Heater Replacement (2013-18), or Rear Seat Heater Replacement (2016-18), or Front Seat Heater Replacement (2016-18), or Seat Heater Replacement - Ventilated Seats (2016-18) .
- All Removed Parts - Install
1. Install the parts in the reverse order of removal. Rear Seat-Back Heater
- Rear Side Cap Trim - Remove
- Rear Seat-Back Heater - Test
Left Rear Seat-Back Heater Right Rear Seat-Back Heater
1. Disconnect the rear seat-back heater connector (A) 2. Check for continuity between the terminals according to the table.
Rear Seat-Back Heater Connector No. 1 No. 2 3. If the continuity is not as specified, replace the right rear seat-back heater - Refer to: Seat Heater Replacement (2013-18), or Rear Seat Heater Replacement (2016-18), or Front Seat Heater Replacement (2016-18), or Seat Heater Replacement - Ventilated Seats (2016-18) .
- All Removed Parts - Install
1. Install the parts in the reverse order of removal.
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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.