Volvo Workshop Manuals
XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
Powertrain Management > Computers and Control Systems > Information Bus > Component Information > Testing and Inspection > Symptom Related Diagnostic Procedures > Page 4879
No diagnostic trouble codes are displayed.
Short circuit between bus wires
Contact resistance and oxidation.
No indicators are working
Central locking does not work
Interior lighting does not work.
Checking CAN-Net's Rest Status
Checking CAN-net's rest status
Preparations for power supply, CAN network
When the vehicle sets the communication buses and the control modules in "sleep mode", power consumption drops. Factors such as whether the vehicle
Ensure that all lighting is switched off.
Note! Do not open any doors or the test will have to be restarted from the beginning.
Continue - Measuring the voltage level on the CAN network.
Measuring the voltage level on the CAN network.
When measuring the voltage level on the CAN network, it will soon become evident if there are modules in the vehicle that do not continue in "sleep
The CAN network must have continued in "sleep mode" after approximately 3 minutes (5 minutes for C70 (06-)). The voltage on the network must be 0
Note! Do not carry out work inside a vehicle equipped with mass movement sensors as the alarm may be triggered.
Measure the voltage on the low speed CAN network by connecting the hand terminal, component number 30656638, in diagnostic tool socket terminals
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