ESC Control Unit: Removal

Disconnect the battery (-) terminal.
Drain the coolant. (Refer to Engine Mechanical System - "COOLANT ")
Remove the diagnostic connector bracket (A) after removing the bolts.
Tightening torque:

6.8 - 9.8 N.m (0.7 - 1.0 kgf.m, 5.0 - 7.2 lb-ft)

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Disconnect the ESC control unit (HECU) connector (A).

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Disconnect the heated oxygen sensor (HO2S) connectors (A), (B) and extension wiring connector (C).

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Remove the connector bracket (A) after removing the bolt.
Tightening torque:

7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

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Disconnect the water hose (A) after releasing the clamp.

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Disconnect the turbocharger outlet hose (A) after releasing the clamp.

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Disconnect the brake tube (A), (B) after removing the flare nuts.
Tightening torque:

(A): 18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

(B): 12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

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NOTE:
- Be careful not to damage the brake tube when connecting or disconnecting.
- Install the flare nuts correctly to fit the brake tube securely.
Remove the ESC Control Unit (A) after removing the nuts.
Tightening torque:

16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)

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NOTE:
- Be careful not to impact the ESC control unit.