No.3 GENERIC ELECTRONIC MODULE (GEM) DOES NOT RESPOND TO M-MDS[MULTIPLEX COMMUNICATION SYSTEM (AJ (3.0L Duratec))]
id0903g7819400
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
INSPECT GEM CONNECTOR FOR DAMAGE
Turn the ignition switch off.
Disconnect the GEM connector.
Inspect the GEM connector for damage.
Is the GEM connector normal?
|
Yes
|
Go to the next step.
|
No
|
Replace the wiring harness. Perform the network test.
|
||
2
|
INSPECT FOR OPEN CIRCUIT BETWEEN DLC-2 AND GEM
Measure the resistance between GEM terminal 1U (harness-side) and DLC-2 terminal D.
Is the resistance less than 5 ohms?
|
Yes
|
Go to the next step.
|
No
|
Replace the wiring harness. Perform the network test.
|
||
3
|
INSPECT GEM OPERATION
Disconnect all the GEM connectors.
Inspection:
• Corrosion
• Terminal separation
Connect all the GEM connectors and verify that their positions are correct.
Operate the system and inspect for any malfunction.
Is any malfunction still present?
|
Yes
|
Replace the GEM.
Perform the network test.
|
No
|
The system operates normally. The malfunction may result from loose connectors or corrosion. Clear the DTC. Repeat the self-test.
|