Chrysler 300M 2002 Service Manual page 1891

COMMUNICATION
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE —
TEST
3 Turn the ignition off.
Disconnect the PCM harness connectors.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Remove the starter relay from the PDC.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
Output (Start) circuit in the Pinout Box.
Note: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery positive post.
Observe the test light while momentarily turning the ignition switch to the Start
position.
Is the test light illuminated?
Yes → Go To 4
→ Repair the Fused Ignition Switch Output (Start) circuit for an
No
Note: Reinstall the original Starter Relay.
4 Turn the ignition off.
Disconnect the PCM harness connectors.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Using a 12-volt test light connected to ground, probe the Fused B(+) circuit in the
Pinout Box.
Note: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery positive post.
Is the test light illuminated?
Yes → Go To 5
→ Repair the Fused B(+) circuit for an open. Refer to the wiring
No
ACTION
open. Refer to the wiring diagrams located in the Service Infor-
mation.
Perform 42LE TRANSMISSION VERIFICATION TEST - VER 1.
diagrams located in the Service Information.
Perform 42LE TRANSMISSION VERIFICATION TEST - VER 1.
168
Continued
APPLICABILITY
All
All