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XC90 AWD V8-4.4L VIN 85 B8444S (2005)

Sensors and Switches > Sensors and Switches - Accessories and Optional Equipment > Arm/Disarm Switch, Antitheft > Component Information > Diagrams > Diagram Information and Instructions > Page 2690

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Repair wiring and cable terminals, using appropriate procedures. 
In theory, the resistance across contacts, leads and terminals should be 0 [ohm]. However, there is always some resistance due to terminal oxidation.
If this resistance becomes too great the result will be a malfunction. The magnitude of the resistance before it causes a malfunction depends on the circuit
load.

Checks:

-

Check the cables visually according to "Check Terminals Visually."

 

NOTE:  Do not apply rust solvent spray or grease to the Heated Oxygen Sensor (HO2S) or combined instrument panel connectors.

-

Ignition off

-

Disconnect the battery negative terminal

-

Use compressed air to clean the disconnected connector

-

Apply rust solvent spray 1161422 to the disconnected connectors

-

Blow clean using compressed air.

Sensors and Switches > Sensors and Switches - Accessories and Optional Equipment > Arm/Disarm Switch, Antitheft > Component Information > Diagrams > Diagram Information and Instructions > Page 2690

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