Engine control unit (ECU)

WARNING! ESD sensitive component.

1.Before proceeding, remove the following components:

●DIMM cover. See DIMM cover and DIMM on page 57.

●Formatter cover and formatter PCA. See Formatter cover and formatter PCA on page 60.

●Rear-door assembly. See Rear-door assembly on page 62.

●Left cover. See Left cover on page 66.

●Top-right cover. See Top-right cover on page 73.

●Control panel. See Control panel on page 74.

●Front-right and right-side cover assembly. See Front-right and right-side cover assembly on page 76.

●Lower-right cover and bracket. See Lower-right cover and bracket on page 80.

●Top cover. See Top cover on page 84.

●Power switch assembly. See Power-switch assembly on page 96.

TIP: Removing the power-switch assembly makes it easier to disconnect the connectors at the front of the ECU.

2.Disconnect two connectors (callout 1). Figure 2-98Remove the ECU (1 of 9)

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110 Chapter 2 Removal and replacement

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