Chrysler Sebring 2004 Service Manual page 1961

COMMUNICATION
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE - EATX —
Continued
TEST
6 Turn the ignition off.
Disconnect the TCM harness connector.
Using a 12-volt test light connected to 12-volts, probe each ground circuit in the TCM
connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Is the light illuminated at all ground circuits?
Yes → Go To 7
→ Repair the Ground circuit(s) for an open. Check the main ground
No
7 Note: Ensure there is PCI Bus communication with other modules on the
vehicle before proceeding. If not, refer to the symptom list from the menu
and repair as necessary.
Disconnect the TCM harness connector.
Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and
black test probes.
Connect the scope input cable to the channel one connector on the DRB. Attach the
red and black leads and the cable to probe adapter to the scope input cable.
With the DRBIII , select Pep Module Tools.
Select lab scope.
Select Live Data.
Select 12 volt square wave.
Press F2 for Scope.
Press F2 and use the down arrow to set voltage range to 20 volts. Press F2 again
when complete.
Connect the Black lead to the chassis ground. Connect the Red lead to the PCI Bus
circuit in the TCM connector.
Turn the ignition on.
Observe the voltage display on the DRB Lab Scope.
Does the voltage pulse from 0 to approximately 7.5 volts?
Yes → Replace the Transmission Control Module in accordance with the
→ Go To 8
No
8 Disconnect the TCM harness connector.
Disconnect the BCM C3 harness connector.
Measure the resistance of the PCI bus circuit between the TCM connector and the
BCM C3 connector.
Is the resistance below 5.0 ohms?
Yes → Replace the Body Control Module in accordance with the service
→ Repair the PCI Bus circuit for an open.
No
ACTION
connection to engine block and/or chassis. Refer to the wiring
diagrams located in the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
service information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
32
APPLICABILITY
All
All
All