Chrysler 300M 1999 Manual page 645

TEST 4A
CONTINUED- REPAIRING BODY CONTROL MODULE NO RESPONSE
TEST 4A
CONTINUED FROM
THE PREVIOUS
PAGE.
USING A VOLTMETER,
MEASURE THE PCI BUS
CIRCUIT AT THE DATA
LINK CONNECTOR.
FIG. 1
TURN IGNITION OFF.
USING A VOLTMETER,
MEASURE THE FUSED
B (+) CIRCUIT AT
THE...
*Perform Verification TEST VER-2A.
NOTE: FOR LOCATION
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
REMOVE THE BODY
CONTROL MODULE
FROM THE JUNCTION
BLOCK.
JUNCTION BLOCK
20-WAY INTERNAL
CONNECTOR.
FIG. 2
**Check connectors - Clean / repair as necessary.
635
DISCONNECT THE DRB
FROM THE DATA LINK
CONNECTOR.
IS THE VOLTAGE YES
ABOVE 8.0 VOLTS?
NO
IS THE VOLTAGE YES
BELOW 0.2 VOLTS?
NO
ENSURE THAT THE
JUNCTION BLOCK
CONNECTORS ARE
CONNECTED.
IS THE VOLTAGE NO
ABOVE 10.0 VOLTS?
YES
H
C
C
O
M
M
U
N
PERFORM TEST
12A.
C
A
O
N
PERFORM TEST
13A.
TURN IGNITION ON
(ENGINE OFF).
REPLACE THE
JUNCTION BLOCK.*
CONTINUE TEST
4A ON THE NEXT
PAGE.
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