Repairing Speedometer Operation - Chrysler 300M 1999 Manual

TEST 13A

REPAIRING SPEEDOMETER OPERATION

Perform TEST 5A Before Proceeding
START TEST 13A.
WITH THE DRB IN
ENGINE, ENTER
"READ DTC'S".
RAISE ALL FOUR
WHEELS OFF GROUND
AND PROPERLY
SUPPORT THE
VEHICLE.
WITH THE DRB IN
ENGINE, ENTER
"SENSORS".
WITH THE DRB,
ENTER "BODY",
"BODY COMPUTER",
"MONITOR
DISPLAY"...
*Perform Verification TEST VER-2A.
TURN THE IGNITION
ON.
WITH THE DRB ENTER
"ENGINE".
START THE ENGINE.
OBSERVE THE
VEHICLE SPEED
WHILE
ACCELERATING.
THEN "PCI BUS
ENGINE INFO" AND
OBSERVE THE
VEHICLE SPEED.
**Check connectors - Clean / repair as necessary.
341
CAN YOU NO
COMMUNICATE WITH
THE PCM?
YES
ARE ANY VEHICLE
SPEED SENSOR YES
TROUBLE CODES
PRESENT?
NO
NOTE: IF THE VEHICLE
EQUIPPED WITH
TRACTION CONTROL,
THE TRACTION CONTROL
MUST BE DISABLED.
DOES THE DRB DISPLAY
THE VEHICLE SPEED NO
INCREASING
PROPORTIONALLY AS
YOU ACCELERATE?
YES
DOES THE DRB DISPLAY
THE VEHICLE SPEED NO
INCREASING
PROPORTIONALLY AS
YOU ACCELERATE?
YES
PERFORM
"VEHICLE
COMMUNICATION"
TEST 1A.
REFER TO THE
APPROPRIATE
POWERTRAIN
DIAGNOSTIC
MANUAL.
PLACE THE GEAR
SHIFT LEVER IN
DRIVE.
REFER TO THE
APPROPRIATE
POWERTRAIN
DIAGNOSTIC
MANUAL.
REPLACE THE BODY
CONTROL MODULE.*
REPLACE THE
INSTRUMENT
CLUSTER*.
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