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    PV776 TSP195493

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    This service bulletin from Volvo concerns checking terminals in connectors for the engine wiring harness and cab wiring harness on D12A engines. Technicians should use tool 9998482 to check terminal clamping force and replace any terminals that do not clamp properly. The document provides instructions for replacing terminals, which involves removing the faulty terminal, installing a replacement terminal with splice 1078054, and reassembling the connector housing. Reconnecting grounds and checking for fault codes are also noted.

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    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd

    PV776 TSP195493

    Uploaded by

    Registr Registr
    287 views4 pages
    This service bulletin from Volvo concerns checking terminals in connectors for the engine wiring harness and cab wiring harness on D12A engines. Technicians should use tool 9998482 to check terminal clamping force and replace any terminals that do not clamp properly. The document provides instructions for replacing terminals, which involves removing the faulty terminal, installing a replacement terminal with splice 1078054, and reassembling the connector housing. Reconnecting grounds and checking for fault codes are also noted.

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    PV776-TSP195493

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    © Attribution Non-Commercial (BY-NC)

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    This service bulletin from Volvo concerns checking terminals in connectors for the engine wiring harness and cab wiring harness on D12A engines. Technicians should use tool 9998482 to check terminal clamping force and replace any terminals that do not clamp properly. The document provides instructions for replacing terminals, which involves removing the faulty terminal, installing a replacement terminal with splice 1078054, and reassembling the connector housing. Reconnecting grounds and checking for fault codes are also noted.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    287 views4 pages

    PV776 TSP195493

    Uploaded by

    Registr Registr
    This service bulletin from Volvo concerns checking terminals in connectors for the engine wiring harness and cab wiring harness on D12A engines. Technicians should use tool 9998482 to check terminal clamping force and replace any terminals that do not clamp properly. The document provides instructions for replacing terminals, which involves removing the faulty terminal, installing a replacement terminal with splice 1078054, and reassembling the connector housing. Reconnecting grounds and checking for fault codes are also noted.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 4

    Volvo Trucks North America, Inc.

    Greensboro, NC USA

    Service Bulletin Trucks


    Date Group No. Page

    8.2003

    371

    029

    1(4)

    Fault Tracing & Performance Control Connectors, Engine ECU VN with D12A

    Connectors, D12A Control Unit

    T2012118

    This Service Bulletin concerns checking the terminals in the connector for the engine wiring harness and the cab wiring harness, as well as replacing wires in the connectors. See Connector Terminal, Checking page 2. Note: The tool used in this procedure can be found in Repair kit: 3947553.

    PV776-TSP195493

    USA14153

    Volvo Trucks North America, Inc. Service Bulletin

    Date 8.2003

    Group

    No.

    Page 2(4)

    371

    029

    Service Procedures
    3713-06-02-01 Connector Terminal, Checking
    Note: The tool used in this procedure can be found in Repair kit: 3947553.

    Special tools: 9998482


    1

    CAUTION
    If there are other ground cables connected to the battery (such as engine ECU, satellite system, etc.), disconnect those grounds first, then remove the battery ground cable. Electronic modules may be damaged when additional grounds are connected/disconnected without the main battery ground connected. Always disconnect the main battery ground last. Turn the ignition key to the OFF position and disconnect the negative battery cable. 2 Clean the connectors and the control unit before the removing the connectors from the control unit. 3 Release the locking clamp and remove the connector from the control unit. 4 Check the terminals in the connector using gauge 9998482. Insert the gauge into the terminal. Move the gauge in and out of the terminals to check that the terminal has proper clamping force on the gauge. Note: If the terminal does not have any clamping force or if it is very weak, it must be replaced. Refer to Engine ECU Terminal, Replacement page 3. Tool 9998482 is from VE D12 engine Kit 3947553. 9998482

    T2012119

    Volvo Trucks North America, Inc. Service Bulletin

    Date 8.2003

    Group

    No.

    Page 3(4)

    371

    029

    Engine ECU Terminal, Replacement


    Special tools: 9512636, 9998482, 1078054
    1 Remove the screws for the connector housing locking clamp and the connector housing. Cut the tie strap fastening the wiring harness to the connector housing. 2

    T2012120

    Remove the terminal locking plate from the connector. Remove the faulty terminal from the connector using tool 9512636. Remove the tape from the wiring harness and conduit. Cut the wire that has the faulty terminal to the correct length for proper installation. Tool 9512636 is from VE D12 engine Kit 3947553. 9512636

    T2012121

    Volvo Trucks North America, Inc. Service Bulletin

    Date 8.2003

    Group

    No.

    Page 4(4)

    371

    029

    3 Strip the insulator back on the end and crimp the replacement terminal splice 1078054. Crimp the butt splice connector using crimpers 3947557 (Packard crimpers 12085115) in the 18-20 anvil. Pull gently on the connection to check for a proper crimp. Use a heat gun on the butt splice insulator until the insulator shrinks around the wire and sealant is visible to ensure the connection is sealed. (1078054 from VE D12 engine Kit 3947553.) 1078054, 3947557

    W3005982

    4 Insert the terminal into the connector until it locks. Pull on the wire gently to insure the terminal is locked. Install the terminal locking plate in the connector. 5 Tape the wire harness and conduit from where the tape was removed. 6 Install the tie strap, fastening the wire harness to the connector housing. Install the screws for the connector housing and clamp. 7 Insert the connector back into the control unit and lock the clamp. 8

    CAUTION
    If there are other ground cables connected to the battery (such as engine ECU, satellite system, etc.), connect the battery ground cable first, then connect those grounds. Electronic modules may be damaged when additional grounds are connected/disconnected without the main battery ground connected. Connect the negative battery cable and check for any fault codes. Remove all inactive fault codes.

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