Ground Trouble Code - Chrysler 300M 1999 Manual

TEST 23A
REPAIRING LEFT HEATED SEAT SWITCH STUCK IN LOW STATE TROUBLE CODE
Perform TEST 1A Before Proceeding
START TEST 23A.
DISCONNECT THE LEFT
SEAT HEATER SWITCH
HARNESS CONNECTOR.**
FIG. 1
TURN IGNITION ON
(ENGINE OFF).
USING THE DRB
SELECT "READ
DTC's".
DISCONNECT THE
MHSMM "C1" HARNESS
CONNECTOR.**
*Perform Verification TEST VER-4A.
NOTE: FOR LOCATION
OF ALL COMPONENTS
SEE GENERAL INFO 4.0
USING THE DRB
ERASE THE TROUBLE
CODE.
TURN IGNITION OFF.
USING A VOLTMETER,
MEASURE LEFT SEAT
HEATER SW MUX CKT
(CAV 6) TO GROUND.
FIG. 1
**Check connectors - Clean / repair as necessary.
485
DOES THE "LEFT
HEATED SEAT SWITCH YES
OPEN/SHORTED TO
GROUND" TROUBLE
CODE APPEAR?
NO
IS THE VOLTAGE YES
ABOVE 0.2 VOLTS
NO
REPLACE THE SEAT
HEATER SWITCH.*
REPAIR THE LEFT
SEAT HEATER SWITCH
MUX CIRCUIT FOR A
SHORT TO VOLTAGE.*
REPLACE THE MEMORY
HEATED SEAT/MIRROR
MODULE.*
M
E
M
O
R
Y
S
Y
S
T
E
M