Chrysler 300M 1999 Manual page 633

TEST 2A
REPAIRING AIRBAG CONTROL MODULE NO RESPONSE
Perform TEST 1A Before Proceeding
START TEST 2A.
REMOVE AND INSPECT
FUSE #22.
FIG . 1
USING A VOLTMETER,
MEASURE THE IGNITION
SWITCH OUTPUT AT
FUSE #22.
FIG. 1
WARNING: MAKE SURE
THE IGNITION IS
OFF AND WAIT 2
MINUTES BEFORE
PROCEEDING.
USING A VOLTMETER,
MEASURE THE FUSED
IGNITION SWITCH...
TURN IGNITION OFF.
*Perform Verification TEST VER-1A.
NOTE: FOR LOCATION
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
REINSTALL THE FUSE.
DISCONNECT THE
AIRBAG CONTROL
MODULE HARNESS
CONNECTOR.** FIG.2
OUTPUT RUN/START
CIRCUIT (CAV 14).
FIG. 3
USING AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
GROUND CIRCUIT.
FIG. 3
**Check connectors - Clean / repair as necessary.
623
YES
IS THE FUSE OPEN?
NO
IS THE VOLTAGE NO
ABOVE 10.0 VOLTS?
YES
TURN IGNITION ON.
IS THE VOLTAGE NO
ABOVE 10.0 VOLTS?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
PERFORM TEST
2B.
REPAIR THE OPEN
IGNITION SWITCH
OUTPUT CIRCUIT. IF
OK, REPLACE THE
JUNCTION BLOCK.*
REPAIR THE OPEN
FUSED IGNITION
SWITCH OUTPUT CKT
(RUN/START).*
REPAIR THE OPEN
GROUND CIRCUIT.*
CONTINUE TEST
2A ON THE NEXT
PAGE.
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