Chrysler 300M 1999 Manual page 547

TEST 43B
REPAIRING INOPERATIVE MEMORY SWITCH
Perform TEST 43A Before Proceeding
START TEST 43B.
DISCONNECT THE
MHSMM "C1" HARNESS
CONNECTOR.**
USING AN OHMMETER,
MEASURE THE MEMORY
POSITION 1 SWITCH
SENSE CKT...
*Perform Verification TEST VER-4A.
NOTE: IF THE SEAT
IS UNBOLTED FOR
TESTING, CONNECT A
JUMPER WIRE
FROM...
CONNECT A JUMPER
WIRE FROM MEMORY POS
1 SWITCH SENSE CKT
(CAV 6) TO GROUND.
FIG. 1
(CAVITY 12) TO
GROUND.
FIG. 2
**Check connectors - Clean / repair as necessary.
537
THE SEAT FRAME TO
A KNOWN GOOD
GROUND.
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPAIR THE OPEN
MEMORY POSITION 1
SWITCH SENSE
CIRCUIT.*
REPLACE THE MEMORY
HEATED SEAT MIRROR
MODULE (MHSMM).*
M
E
M
O
R
Y
S
Y
S
T
E
M