Repairing Compressor Clutch Circuit - Chrysler 300M 1999 Manual

TEST 14A

REPAIRING COMPRESSOR CLUTCH CIRCUIT

Perform TEST 1A Before Proceeding
START TEST 14A.
START THE ENGINE.
NOTE: MAKE SURE
THE A/C SWITCH IS
TURNED ON AT THIS
TIME.
*Perform Verification TEST VER-2A.
MOMENTARILLY PRESS
THE A/C SWITCH ON
THE CONTROL HEAD.
WITH THE DRB,
SELECT "CLIMATE
CONTROL", "SYSTEM
TESTS", "A/C ON TO
BCM".
NOTE: LOOK FOR "ON"
OR "OFF" MESSAGE IN
THE FOLLOWING STEP
(DISREGARD "NR"
MESSAGE IF SEEN).
**Check connectors - Clean / repair as necessary.
179
IS A BEEP HEARD
FROM THE BCM WHEN NO
THE SWITCH IS
PRESSED?
YES
DOES THE DRB NO
DISPLAY
"A/C BCM: ON"?
YES
DOES THE DRB NO
DISPLAY
"PCM: ON"?
YES
REPLACE THE
CONTROL HEAD.*
REPLACE THE BODY
CONTROL MODULE.*
REPLACE THE
POWERTRAIN CONTROL
MODULE.*
REFER TO THE
APPROPRIATE
POWERTRAIN
DIAGNOSTIC
MANUAL.
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