Chrysler 300M 1999 Manual page 263

TEST 2B
REPAIRING HEADLAMP SWITCH INPUT FAILURE
Perform TEST 2A Before Proceeding
START TEST 2B.
DISCONNECT THE
BODY CONTROL
MODULE C2 HARNESS
CONNECTOR.**
*Perform Verification TEST VER-2A.
DISCONNECT THE
HEADLAMP SWITCH
13-WAY HARNESS
CONNECTOR.**
USING AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
HEADLAMP SWITCH MUX
CIRCUIT. FIG. 1
253
DOES THE DRB
DISPLAY "HEADLAMP
SWITCH VOLTAGE:
5.0 VOLTS"
(+ OR - 0.2)?
NO
IS THE RESISTANCE
BELOW 5.0 OHMS?
NO
**Check connectors - Clean / repair as necessary.
YES REPLACE THE
HEADLAMP SWITCH.*
REPAIR THE
YES HEADLAMP SWITCH
MUX CIRCUIT FOR A
SHORT TO GROUND.*
REPLACE THE BODY
CONTROL MODULE.*
E
X
T
E
R
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O
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G
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N
G
S
Y
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