Chrysler 300M 1999 Manual page 203

TEST 17A
CONTINUED - REPAIRING INCORRECT BLOWER MOTOR SPEEDS
TEST 17A
CONTINUED FROM
THE PREVIOUS
PAGE.
CONNECT A JUMPER
WIRE BETWEEN GROUND
AND THE BLOWER MOTOR
CONTROL CIRCUIT.
FIG. 1
TURN IGNITION OFF.
REMOVE THE JUMPER
WIRE.
USING AN OHMMETER,
MEASURE THE BLOWER
MOTOR CONTROL
CIRCUIT BETWEEN THE
POWER MODULE...
USING AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
GROUND CIRCUIT.
FIG. 3
*Perform Verification TEST VER-2A.
RECONNECT THE ATC
POWER MODULE
HARNESS CONNECTOR.
DISCONNECT THE ATC
POWER MODULE 4-WAY
HARNESS
CONNECTOR.**
CONNECTOR AND THE
BCM C2 HARNESS
CONNECTOR.
FIG. 2
**Check connectors - Clean / repair as necessary.
193
IS THE BLOWER
MOTOR STILL NO
RUNNING AT FULL
SPEED?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPLACE THE BODY
CONTROL MODULE.*
REPAIR THE OPEN
BLOWER MOTOR
CONTROL CIRCUIT.*
REPAIR THE OPEN
GROUND CIRCUIT.*
REPLACE THE ATC
POWER MODULE.*
A
U
T
O
M
A
T
I
C
T
E
M
P
E
R
A
T
U
R
E
C
O
N
T
R
O
L
S
Y
S
T
E
M