Response - Chrysler 300M 1999 Manual

TEST 8A
REPAIRING POWERTRAIN CONTROL MODULE NO RESPONSE CONDITION
Perform TEST 1A Before Proceeding
START TEST 8A.
USING THE DRB,
SELECT "ENGINE"
AND READ THE PCM
DTC'S.
TURN IGNITION OFF.
USE AN OHMMETER IN
THE FOLLOWING
STEP.
*Perform Verification TEST VER-2A.
NOTE: FOR LOCATIONS
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
DISCONNECT THE
POWERTRAIN CONTROL
MODULE C2 HARNESS
CONNECTOR.**
MEASURE THE PCI BUS
CKT FROM DATA LINK
CONN TO POWERTRAIN
CONTROL MODULE C2
CONN. FIG. 1
**Check connectors - Clean / repair as necessary.
649
NOTE: ALL MODULES
MUST BE CONNECTED
BEFORE PERFORMING
THIS TEST.
DOES THE DRB YES
DISPLAY "NO

RESPONSE"?

NO
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
PERFORM NO
START TEST NS-6A
IN THE POWERTRAIN
BOOK.
REPAIR THE OPEN
PCI BUS CIRCUIT.*
REPLACE THE
POWERTRAIN CONTROL
MODULE.*
V
E
H
I
C
L
E
C
O
M
M
U
N
I
C
A
T
I
O
N