Chrysler 300M 1999 Manual page 319

TEST 5A
CONTINUED - IDENTIFYING THE INOPERATIVE GAUGE
TEST 5A
CONTINUED FROM
THE PREVIOUS
PAGE.
START THE ENGINE.
WITH THE DRB,
ENTER "SENSORS"
AND READ ENGINE
RPM.
WITH THE DRB ENTER
"BODY", "BODY
COMPUTER",
"MONITOR
DISPLAY"...
*Perform Verification TEST VER-2A.
NOTE: THIS PATH IS
TO REPAIR A
PROBLEM WITH THE
TACHOMETER GAUGE
ONLY.
WITH THE DRB ENTER
"ENGINE".
THEN "PCI BUS
ENGINE INFO" AND
READ THE ENGINE
RPM.
**Check connectors - Clean / repair as necessary.
309
CAN YOU NO
COMMUNICATE WITH
THE PCM?
YES
DOES THE DRB NO
DISPLAY ENGINE RPM
ABOVE 400 RPM?
YES
DOES THE DRB NO
DISPLAY ENGINE RPM
ABOVE 400 RPM?
YES
PERFORM
"VEHICLE
COMMUNICATION"
TEST 1A.
REPLACE THE
POWERTRAIN CONTROL
MODULE.*
REPLACE THE BODY
CONTROL MODULE.*
REPLACE THE
INSTRUMENT
CLUSTER.*
I
N
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N
T
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