Chrysler 300M 1999 Manual page 359

TEST 15B
REPAIRING OIL PRESSURE WARNING LAMP OPERATING IMPROPERLY
Perform TEST 15A Before Proceeding
START TEST 15B.
CONNECT A JUMPER
WIRE BETWEEN THE OIL
PRESSURE SWITCH
SENSE CKT AND GND.
FIG. 1
NOTE: KEEP THE
JUMPER WIRE
CONNECTED DURING
THE NEXT STEP .
WITH AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE OIL
PRESSURE SWITCH
SENSE CKT. FIG. 2
*Perform Verification TEST VER-2A.
DISCONNECT THE
ENGINE OIL
PRESSURE SWITCH
HARNESS
CONNECTOR.**
DISCONNECT THE
INSTRUMENT CLUSTER
C2 HARNESS
CONNECTOR.**
**Check connectors - Clean / repair as necessary.
349
DID THE OIL YES
WARNING LAMP
LIGHT?
NO
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPLACE THE OIL
PRESSURE SWITCH.*
REPAIR THE OPEN
OIL PRESSURE
SWITCH SENSE
CIRCUIT.*
REPLACE THE
INSTRUMENT
CLUSTER.*
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