Engine Control Module Replacement (LLU/A16LET)
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Engine Control Module Replacement (LLU/A16LET)
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Callout
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Component Name
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Preliminary Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
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1
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Engine Control Module
Warning
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Turn the ignition OFF when installing or removing the control module connectors and disconnecting or reconnecting the power to the control module (battery cable, powertrain control module (PCM)/engine control module (ECM)/transaxle control module (TCM) pigtail, control module fuse, jumper cables, etc.) in order to prevent internal control module damage.
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Damage to the control unit can occur if the metal cover comes into contact with battery voltage. Ensure that the control unit's metal cover does NOT come into contact with battery voltage when servicing the control unit, using quick charge cables or charging the vehicle's battery.
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In order to prevent any possible electrostatic discharge damage to the control module, do no touch the connector pins or the soldered components on the circuit board.
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Remove any debris from around the control module connector surfaces before servicing the control module. Inspect the control module connector gaskets when diagnosing or replacing the control module. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the control module.
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The replacement control module must be programmed.
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Procedure
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1.
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Disconnect the electrical connector.
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2.
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Pull up the engine control module from the battery box.
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