Chrysler 300M 1999 Manual page 585

CONTINUED - REPAIRING ONE DOOR FAILING TO LOCK AND UNLOCK FROM ANY
TEST 3A
SWITCH
TEST 3A
CONTINUED FROM
THE PREVIOUS
PAGE.
WITH A VOLTAMETER,
MEASURE THE LF
DOOR UNLOCK RELAY
CONN CAVITY 87.
FIG. 1
WITH A VOLTAMETER,
MEASURE THE LF
DOOR UNLOCK RELAY
CONN CAVITY 88.
FIG. 1
WITH AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE LF
DOOR UNLOCK RELAY
CONN CAV 89. FIG. 1
SUBSITUTE THE LF
DOOR UNLOCK RELAY
WITH A KNOWN GOOD
RELAY.
FIG. 1
REMOVE THE LF DOOR
UNLOCK RELAY.
FIG. 1
WITH THE DRB,
ACTUATE THE LF
DOOR UNLOCK RELAY.
*Perform Verification TEST VER-2A.
REMOVE THE LF DOOR
UNLOCK RELAY.
FIG. 1
IS THE VOLTAGE
ABOVE 10.0 VOLTS?
IS THE VOLTAGE
ABOVE 10.0 VOLTS?
IS THE RESISTANCE
BELOW 5.0 OHMS?
OPERATE THE DOOR DOES THE LF DOOR
LOCKS.
CONNECT A TEST LIGHT
BETWEEN CAVITIES 88
AND 90 OF THE LF
DOOR UNLOCK RELAY
CONN. FIG. 1
DOES THE TEST
FLASH ON AND OFF
AS THE RELAY IS
**Check connectors - Clean / repair as necessary.
575
NO REPLACE THE
JUNCTION BLOCK.*
YES
NO REPLACE THE
JUNCTION BLOCK.*
YES
NO REPLACE THE
JUNCTION BLOCK.*
YES
YES REPLACE THE
LOCK OPERATE ORIGINAL LF DOOR
PROPERLY? UNLOCK RELAY.*
NO
YES CONTINUED TEST
3A ON THE NEXT
ACTUATED? PAGE.
NO
PERFORM TEST
P
O
W
E
R
D
O
O
R
L
O
C
K
S
Y
S
T
E
M
3B.