Engine Control Modules (ECM)

Control modules in engine compartment

Engine Control Modules (ECM)









Component Location:


In plenum chamber, right-Arrow A-


Pin Arrangements:







A - Motronic Engine Control Module (ECM) -J220-
Pin Connectors:

B - 81-Pin Connector -T121a-, on wiring harness

C - 40-Pin Connector -T121a-, on wiring harness

Note:
• The pin connector -T121a- is composed of a 81-pin connector and a 40-pin
connector.




Motronic Engine Control Module (ECM) -J220- / Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-


154-pin, Pin Arrangements:





A - Motronic Engine Control Module (ECM) -J220- (3.6L V6)

A - Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- (3.0L V6)
Pin Connectors:

B - 94-Pin Connector -T94- (3.6L V6)

B - 94-Pin Connector -T94aa- (3.0L V6)

C - 60-Pin Connector -T60- (3.6L V6)

C - 60-Pin Connector -T60aa- (3.0L V6)

Note:
• The 154-pin connector is composed of a -T94-/ -T94aa- connector and
a -T60-/ -T60aa- connector.




Engine Control Module (ECM) -J623-


Pin Arrangements:





A - Engine Control Module (ECM) -J623-
Pin Connectors:

B - 94-Pin Connector -T94aa-

C - 60-Pin Connector -T60aa-

Note:
• The 154-pin connector is composed of a -T94aa- connector and a -T60aa-
connector.