Repairing No Cluster Messages - Chrysler 300M 1999 Manual

TEST 9A

REPAIRING NO CLUSTER MESSAGES

Perform TEST 1A Before Proceeding
START TEST 9A.
WITH THE DRB SELECT
"PASSIVE
RESTRAINTS",
"AIRBAG", "MONITORS"
AND...
WARNING:
DISCONNECT THE
BATTERY AND WAIT 2
MINUTES BEFORE
PROCEEDING.
USING AN OHMMETER,
MEASURE THE PCI
BUS CIRCUIT
FROM THE ...
*Perform Verification TEST VER-1A.
WITH THE DRB
SELECT
"ELECRO/MECH
CLUSTER (MIC)".
"WARNING LAMP
STATUS" TO READ
THE LAMP MESSAGES
FROM THE CLUSTER.
DISCONNECT THE
AIRBAG CONTROL
MODULE 23-WAY
HARNESS CONNECTOR.**
FIG. 1
MIC HARNESS
CONNECTOR C1 TO
THE ACM 23-WAY
HARNESS CONNECTOR.
FIGS. 2 AND 3
**Check connectors - Clean / repair as necessary.
73
DOES THE DRB
DISPLAY YES
"NO RESPONSE" FROM
THE MIC?
NO
DOES THE WARNING
LAMP STATUS NO
MESSAGES DISPLAY
"NO RESP"?
YES
DISCONNECT THE
INSTRUMENT CLUSTER
C1 HARNESS
CONNECTOR.**
IS THE RESISTANCE YES
BELOW 5.0 OHMS?
NO
PERFORM
"VECHICLE
COMMUNICATION"
TEST 1A.
PERFORM TEST
19A.
REPLACE THE
INSTRUMENT
CLUSTER.*
REPAIR THE OPEN
PCI BUS CIRCUIT.*
A
I
R
B
A
G
S
Y
S
T
E
M