Chrysler 300M 1999 Manual page 489

TEST 21A
CONTINUED - REPAIRING LEFT SEAT HEAT OUTPUT OPEN TROUBLE CODE
TEST 21A
CONTINUED FROM
THE PREVIOUS
PAGE.
USING AN OHMMETER,
MEASURE THE HEATED
SEAT DRIVER CIRCUIT
FROM SEAT CUSHION
4-WAY CONNECTOR...
USING AN OHMMETER,
MEASURE BETWEEN
THE HEATED SEAT
DRIVER...
*Perform Verification TEST VER-4A.
DISCONNECT THE
SEAT BACK HEATER
2-WAY HARNESS
CONNECTOR.**
TO THE SEAT BACK
HEATER 2-WAY
CONNECTOR.
FIG. 1
AND GROUND
CIRCUITS (CAVITIES
A & B.
FIG. 2
**Check connectors - Clean / repair as necessary.
479
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
IS THE RESISTANCE NO
BELOW 2.5 OHMS?
YES
REPAIR THE OPEN
HEATED SEAT DRIVER
CIRCUIT.*
REPLACE THE SEAT
BACK.*
REPAIR THE OPEN
GROUND CIRCUIT.*
M
E
M
O
R
Y
S
Y
S
T
E
M