Chrysler 300M 1999 Manual page 425

TEST 8A
CONTINUED - REPAIRING INOPERATIVE BLOWER MOTOR
TEST 8A
CONTINUED FROM
THE PREVIOUS
PAGE.
REMOVE THE JUMPER
WIRE.
CONNECT A JUMPER
WIRE BETWEEN THE HI
BLOWER MOTOR DRIVER
CIRCUIT AND GROUND.
FIG. 2
TURN THE IGNITION
OFF.
*Perform Verification TEST VER-2A.
BACKPROBE A JUMPER
WIRE FROM THE BLOWER
MOTOR DRIVER CKT TO
GROUND.
FIG. 1
DISCONNECT THE
A/C-HEATER CONTROL
"C2" 10-WAY HARNESS
CONNECTOR.**
FIG. 2
NOTE: THE IGNITION
IS STILL ON
(ENGINE OFF).
USING AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
GROUND CIRCUIT.
FIG. 2
**Check connectors - Clean / repair as necessary.
415
DID THE BLOWER NO
MOTOR RUN ON HIGH
SPEED?
YES
DID THE BLOWER NO
MOTOR RUN ON HIGH
SPEED?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPLACE THE BLOWER
MOTOR.*
CONTINUE TEST
8A ON THE NEXT
PAGE.
REPAIR THE OPEN
GROUND CIRCUIT.*
REPLACE THE
A/C-HEATER CONTROL
HEAD.*
M
A
N
U
A
L
T
E
M
P
E
R
A
T
U
R
E
C
O
N
T
R
O
L
S
Y
S
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E
M