Chrysler 300M 1999 Manual page 637

TEST 2B
REPAIRING AIRBAG CONTROL MODULE NO RESPONSE
Perform TEST 2A Before Proceeding
START TEST 2B.
USING A VOLTMETER,
MEASURE THE IGNITION
SWITCH OUTPUT
RUN/START AT FUSE
#22. FIG. 1
WARNING: TURN
IGNITION OFF AND
WAIT 2 MINUTES
BEFORE PROCEEDING.
DISCONNECT THE
AIRBAG CONTROL
MODULE HARNESS
CONNECTOR.**
*Perform Verification TEST VER-1A.
NOTE: FOR LOCATION
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
USING AN OHMMETER,
MEASURE BETWEEN GND
AND THE FUSED IGN SW
OUTPUT RUN/START AT
FUSE #22. FIG. 1
USING AN OHMMETER,
MEASURE BETWEEN GND
AND THE FUSED IGN SW
OUTPUT RUN/START AT
FUSE #22. FIG. 1
**Check connectors - Clean / repair as necessary.
627
TURN IGNITION ON.
IS THE VOLTAGE NO
ABOVE 10.0 VOLTS?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
IS THE RESISTANCE YES
BELOW 5.0 OHMS?
NO
REPAIR THE OPEN
IGNITION SWITCH
OUTPUT RUN/START
CKT. IF OK, REPLACE
THE JUNCTION BLOCK.*
REPLACE THE FUSE.
RETEST SYSTEM.*
REPAIR THE FUSED
IGNITION SWITCH
OUTPUT (RUN/START)
CKT FOR A SHORT TO
GROUND.*
REPLACE THE FUSE.*
REPLACE THE FUSE.*
PERFORM
"AIRBAG SYSTEM"
TEST 19A.
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