Grand Cherokee 2WD V8-4.7L VIN N (2000)
harness connector and a good ground. There should be no continuity. If OK, go to Step 10. If not OK, repair the shorted seat heater B(+) driver
circuit as required.
10. Check the total heated seat element resistance between the heated seat driver circuit and the seat heater B(+) driver circuit cavities in the heated
seat element half of the 4-way heated seat element wire harness connector. The resistance should be about 2.20 ohms +/- 10%. If OK, refer to
Heated Seat Sensor in the Diagnosis and Testing. If not OK, go to Step 11.
11. Disconnect the black 2-way heated seat back element wire harness connector from the heated seat cushion element wire harness. The black 2-way
heated seat back element wire harness connector is tucked under the seat cushion trim cover located near the rear edge of the seat cushion frame.
Check the resistance of the heated seat back element between the two cavities in the seat back half of the black 2-way heated seat back element
wire harness connector. The resistance should be about 5.51 ohms + 10%. If OK, go to Step 12. If not OK, replace the faulty seat back cover trim
and element unit.
12. With the black 2-way heated seat back element wire harness connector still disconnected from the heated seat cushion element wire harness
connector, check the resistance of the heated seat cushion elements between the heated seat driver circuit and the seat heater B(+) driver circuit
cavities in the heated seat element half of the 4-way heated seat element wire harness connector. The resistance should be about 3.67 ohms +/-
10%. If OK, refer to Heated Seat Sensor. If not OK, replace the faulty seat cushion cover trim and element unit.
