volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Engine Control Module (ECM) J623 Secured With Anti-Theft Immobilizer, Removing and Installing|Page 832 > < Engine Control Module (ECM) J623 Secured With Anti-Theft Immobilizer, Removing and Installing|Page 830
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Disengage forward harness connector -1- from Engine Control Module (ECM) and disconnect it.

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Pry up locking mechanism -2- slightly.

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Then slide Engine Control Module (ECM) out of retainer -arrow-.

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Now disengage rear harness connector from Engine Control Module (ECM) and disconnect it.

Installing: 

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Connect rear harness connector to Engine Control Module (ECM) and engage it.

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Slide Engine Control Module (ECM) on to retaining plate.

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Now connect front harness connector to Engine Control Module (ECM) and engage it.

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Slide protective housing on to retaining plate.

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Tighten shear bolts -1- uniformly until bolt heads shear off.

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Install plenum chamber facing wall, plenum chamber cover and windshield wiper arms.

Engine Control Module (ECM) J623 Secured With Anti-Theft Immobilizer, Removing and Installing|Page 832 > < Engine Control Module (ECM) J623 Secured With Anti-Theft Immobilizer, Removing and Installing|Page 830