Chrysler 300M 1999 Manual page 329

TEST 9A
REPAIRING CLUSTER AND PANEL ILLUMINATION PROBLEMS
Perform TEST 1A Before Proceeding
START TEST 9A.
KEY ON.
WITH THE DRB ENTER
"BODY",
"ELECTRO/MECH
CLUSTER (MIC)".
WITH THE DRB, ENTER
"BODY COMPUTER" THEN
"SENSORS" AND READ
THE DIMMING LEVEL
VOLTAGE.
TURN THE PARK
LAMPS ON.
*Perform Verification TEST VER-2A.
NOTE: A SHORT TO
VOLTAGE ON THE PANEL
LAMP DRIVER CKT WILL
ONLY AFFECT NON-BUS
RELATED COMPONENTS.
ROTATE THE DIMMER
SWITCH TO LOW,
THEN MOVE TO HIGH.
WHILE OBSERVING
THE PANEL LAMPS,
ROTATE DIMMER
SWITCH TO LOW,
THEN MOVE TO HIGH.
**Check connectors - Clean / repair as necessary.
319
NOTE: FOR LOCATION
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
CAN YOU NO
COMMUNICATE WITH
THE MIC?
YES
DOES THE DRB
DISPLAY CHANGE NO
BETWEEN
APPROXIMATELY 0.2
AND 3.0 VOLTS?
YES
ARE PANEL LAMPS YES
STAYING AT FULL
BRIGHTNESS?
NO
DID PANEL LAMPS YES
FAIL TO
ILLUMINATE?
NO
PERFORM
"VEHICLE
COMMUNICATION"
TEST 1A.
PERFORM TEST
3A.
PERFORM TEST
9B.
PERFORM TEST
9C.
NO PROBLEM FOUND
AT THIS TIME.
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