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Home >> Pontiac >> 1994 >> Trans Sport V6-191 3.1L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Engine Control Module (ECM) Replacement
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Engine Control Module (ECM) Replacement

Below RH Side Of I/P:





CAUTION
[a] The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.

[b] To prevent possible Electrostatic Discharge to the control module, Do NOT touch the connector pins or soldered components on the circuit boards.

NOTE When replacing a production control module with a service controller, transfer the broadcast code and production control module part number to the controller label. DO NOT record information on the access cover.

REMOVE/DISCONNECT
- Negative battery terminal.
- Passenger side sound insulator.
- Vacuum center.
- Control module harness connectors.
- Mounting nuts.
- Control module from mounting bracket.

INSTALL/CONNECT
- Control module from mounting bracket.
- Mounting nuts.
- Control module harness connectors.
- Vacuum center.
- Passenger side sound insulator.
- Negative battery terminal.

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