(1) Unplug the 4–way heated seat cushion wire
harness connector.
(2) Using an ohmmeter, measure the resistance
between the heated seat switch output circuit cavity
and the ground circuit cavity of the seat cushion
cover half of the heated seat cushion wire harness
connector. The sensor resistance should be between 2
Kohms and 200 Kohms. If OK, test the MHSMM as
described in this section, otherwise replace the faulty
seat cushion cover.
REMOVAL AND INSTALLATION
HEATED SEAT SWITCH
REMOVAL
(1) Disconnect and isolate the negative battery
cable remote terminal from the remote battery post
(Fig. 5).
(2) Unscrew the side shield on the seat, either
driver or passenger side (Fig. 6).
(3) From the bottom, disengage the switch and
gently rock through the opening.
INSTALLATION
For installation, reverse the above procedures.
MEMORY HEATED SEAT / MIRROR MODULE
(MHSMM)
Refer to Group 8R Power Seats, for Removal and
Installation procedures.
Fig. 5 Negative Battery Cable Remote Terminal
1 – RIGHT STRUT TOWER
2 – AIR CLEANER INLET TUBE
3 – REMOTE TERMINAL
Fig. 6 Heated Seat Switch / Seat Cushion Side
Shield Removal
1 – HEATED SEAT SWITCH
2 – POWER SEAT SWITCH
3 – SEAT CUSHION SIDE SHIELD
4 – MEMORY SELECTOR SWITCH
LH ELECTRICALLY HEATED SYSTEMS 8N - 9
DIAGNOSIS AND TESTING (Continued)
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