Chrysler 300M 1999 Manual page 519

REPAIRING RIGHT HEATED SEAT SWITCH OPEN/SHORTED TO GROUND
TEST 32A
TROUBLE CODE
Perform TEST 1A Before Proceeding
START TEST 32A.
DISCONNECT THE
MHSMM "C1" HARNESS
CONNECTOR.**
DISCONNECT THE RIGHT
SEAT HEATER SWITCH
HARNESS CONNECTOR.**
FIG. 2
CONNECT A JUMPER
WIRE FROM THE RIGHT
SEAT HEATER SW MUX
CKT (CAV 5) TO GND.
FIG. 1
*Perform Verification TEST VER-4A.
NOTE: FOR LOCATION
OF ALL COMPONENTS
SEE GENERAL INFO 4.0
USING A VOLTMETER,
MEASURE RIGHT SEAT
HEATER SW MUX CKT
(CAV 5) TO GROUND.
FIG. 1
USING AN OHMMETER,
MEASURE RIGHT SEAT
HEATER SWITCH MUX
CKT (CAV 6) TO GND.
FIG. 2
USING AN OHMMETER,
MEASURE RIGHT SEAT
HEATER SWITCH MUX
CKT (CAV 6) TO GND.
FIG. 2
**Check connectors - Clean / repair as necessary.
509
IS THE VOLTAGE YES
ABOVE 10.0 VOLTS?
NO
IS THE RESISTANCE YES
BELOW 100.0 OHMS?
NO
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPLACE THE MEMORY
HEATED SEAT/MIRROR
MODULE.*
REPAIR THE RIGHT
SEAT HEATER SWITCH
MUX CKT FOR A
SHORT TO GROUND.*
REPAIR THE OPEN
RIGHT SEAT HEATER
SWITCH MUX CKT.*
REPLACE THE SEAT
HEATER SWITCH.*
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