Checking Connectors

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Corrective action to remedy outside temperature sensor and control module connectors for contact resistance and oxidation according to Contact Resistance And Oxidation .
Check any damage etc.
To remove the control module, see Replacing ECC Control Module .
To access the outside temperature sensor, see Replacing Outside Temperature Sensor (Electronic Climate Control) .
Reinstall components, reconnect connectors etc.
Ignition on.
Read off outside temperature.
Check the outside temperature reading is correct. Compare with the actual air temperature.

If temperature is now OK this indicates that the fault was caused by poor contact in the connectors.

Fig 3: Identifying VCT2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the temperature reading OK?

YES
OKAY: Troubleshooting has been completed.
NO
Refer to Checking Components And Cables