Chrysler New Yorker. Manual — part 475
TEST 28A
CONTINUED - REPAIRING
(
RIGHT SEAT HEAT OUTPUT OPEN
(
TROUBLE CODE
FIG. 1
FIG. 2
M
E
M
O
R
Y
S
Y
S
T
E
M
498
TEST 28A
CONTINUED - REPAIRING
(
RIGHT SEAT HEAT OUTPUT OPEN
(
TROUBLE CODE
*Perform Verification TEST VER-4A.
**Check connectors - Clean / repair as necessary.
TEST 28A
DISCONNECT THE
CONTINUED FROM
SEAT BACK HEATER
THE PREVIOUS 2-WAY HARNESS
PAGE.
CONNECTOR.**
USING AN OHMMETER,
TO THE SEAT BACK
MEASURE THE HEATED
HEATER 2-WAY
IS THE RESISTANCE
NO
REPAIR THE OPEN
SEAT DRIVER CIRCUIT
CONNECTOR.
BELOW 5.0 OHMS?
HEATED SEAT DRIVER
FROM SEAT CUSHION
CIRCUIT.*
4-WAY CONNECTOR... FIG.
1
YES
USING AN OHMMETER,
AND GROUND
MEASURE BETWEEN
CIRCUITS (CAVITIES
IS THE RESISTANCE
NO
REPLACE THE SEAT
THE HEATED SEAT
A & B.
BELOW 2.5 OHMS?
BACK.*
DRIVER...
FIG. 2
YES
REPAIR THE OPEN
GROUND CIRCUIT.*
M
E
M
O
R
Y
S
Y
S
T
E
M
499
TEST 29A
REPAIRING
(
RIGHT SEAT HEAT OUTPUT SHORTED TO GROUND
(
TROUBLE CODE
Perform TEST 1A Before Proceeding
FIG. 1
FIG. 2
FIG. 3
M
E
M
O
R
Y
S
Y
S
T
E
M
500
TEST 29A
REPAIRING
(
RIGHT SEAT HEAT OUTPUT SHORTED TO GROUND
(
TROUBLE CODE
Perform TEST 1A Before Proceeding
*Perform Verification TEST VER-4A.
**Check connectors - Clean / repair as necessary.
NOTE: FOR LOCATION
OF ALL COMPONENTS
START TEST 29A.
SEE GENERAL INFO 4.0
DISCONNECT THE RIGHT
USING THE DRB
SEAT CUSHION HEATER
ERASE THE TROUBLE
4-WAY HARNESS
CODE.
CONNECTOR.**
FIG. 1
TURN IGNITION OFF.
TURN IGNITION ON
DOES THE "RIGHT
(ENGINE OFF).
SEAT HEAT OUTPUT
NO
CONTINUE TEST
USING THE DRB
OPEN" TROUBLE CODE 29A ON
THE NEXT
SELECT "READ
APPEAR?
PAGE.
DTC’s".
YES
DISCONNECT THE SEAT
USING AN OHMMETER,
BACK HEATER 2-WAY
MEASURE RIGHT SEAT
IS THE RESISTANCE
YES
REPLACE THE SEAT
HARNESS CONNECTOR.** HEATER
B(+) DRIVER
BELOW 1000.0 (1K)
CUSHION.*
(CAV A) TO GROUND.
OHMS?
FIG. 2
FIG. 3
NO
USING AN OHMMETER,
REPAIR THE HEATED
MEASURE THE HEATED
IS THE RESISTANCE
YES
SEAT DRIVER CKT
SEAT DRIVER CKT
BELOW 1000.0 (1K) FOR A SHORT TO
(CAV A) TO GROUND.
OHMS?
GROUND.*
FIG. 2
NO
REPLACE THE HEATED
SEAT BACK.*
M
E
M
O
R
Y
S
Y
S
T
E
M
501
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