XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Information Bus: Symptom Related Diagnostic Procedures
Trouble-Shooting Information
Trouble-shooting information
Condition
No diagnostic trouble codes are displayed.
Possible source
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Short circuit between bus wires
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Contact resistance and oxidation.
Fault symptom[s]
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No indicators are working
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Central locking does not work
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Interior lighting does not work.
Checking For A Short-Circuit In the CAN Bus System, Low Speed Network
Checking for a short-circuit in the CAN bus system, low speed network
Checking for a short-circuit
Disconnect the upper electronic module from the bus cable (disconnect the connector from the control module).
Measure the resistance at the connector between terminals #3 and #5. The resistance must be 120 ohms.
Note! Take care that you measure directly at the connector so that it is not damaged.
If the resistance is 0 ohms between the terminals, there short-circuit somewhere in the bus system.
Other information:
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To connect the breakout box to the upper electronic module, see Connecting the breakout box See: Body and Frame/Body Control
Systems/Testing and Inspection/Pinout Values and Diagnostic Parameters/Connecting the Breakout Box
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For further information about the connectors and bus cable, see the wiring diagram.
