Volvo Workshop Manuals
XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)
Relays and Modules > Relays and Modules - Transmission and Drivetrain > Relays and Modules - Differential > Control Unit, Differential Lock > Component Information > Diagrams > Diagram Information and Instructions > Page 1422
Check the cables visually according to "Inspect Terminals Visually". Use a voltmeter to take readings at various points in the circuit while
Loose Connections (Terminals)
Repair wiring and cable terminals, using appropriate procedures.
Loose connections in terminals may be caused by oxidation of the pins and sockets, or by a faulty connection of a cable to its cable terminal.
Inspect terminals visually according to "Inspect Terminals Visually". Continue according to "Contact Resistance and Oxidation".
Contact Resistance and Oxidation
In theory, the resistance across contacts, leads and terminals should be 0 [ohm]. However, there is always some resistance due to terminal oxidation.
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