Chrysler 300M 1999 Manual page 605

TEST 8A
REPAIRING LEFT FRONT DOOR FAILING TO UNLOCK FROM ANY SWITCH
Perform TEST 1A Before Proceeding
START TEST 8A.
USING A VOLTMETER,
MEASURE BOTH FUSED
B(+) CIRCUITS.
FIG.1
CONNECT A TEST LIGHT
BETWEEN CAVITIES 88
& 90 OF THE LF DOOR
UNLOCK RELAY CONN.
FIG. 1
STOP THE ACTUATION.
REMOVE THE BODY
CONTROL MODULE FROM
THE JUNCTION BLOCK.
WITH AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
JUNCTION BLOCK...
*Perform Verification TEST VER-2A.
REMOVE THE LEFT
FRONT DOOR UNLOCK
RELAY.
FIG. 1
WITH THE DRB,
ACTUATE THE LF
DOOR UNLOCK RELAY
AND OBSERVE THE
TEST LIGHT.
CONNECT A JUMPER
WIRE BETWEEN GROUND
AND THE LF DOOR
UNLOCK RELAY CONN
CAVITY 90. FIG. 1
20-WAY INTERNAL
CONNECTOR
CAVITY 13.
FIG. 2
**Check connectors - Clean / repair as necessary.
595
IS THE VOLTAGE NO
ABOVE 10.0 VOLTS
ON BOTH CIRCUITS?
YES
DOES THE TEST
LIGHT FLASH ON AND YES
OFF WHEN THE RELAY
IS ACTUATED?
NO
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPLACE THE
JUNCTION BLOCK.*
REPLACE THE LF
DOOR UNLOCK
RELAY.*
REPLACE THE
JUNCTION BLOCK.*
REPLACE THE BODY
CONTROL MODULE.*
P
O
W
E
R
D
O
O
R
L
O
C
K
S
Y
S
T
E
M