Checking for contact resistance and oxidation

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Check the transmission connectors and transmission control module (TCM) connector. Check for contact resistance and oxidation. See Contact resistance and oxidation
• Reconnect the connectors, reinstall components etc.
• Test drive the car. See.

  Check for any clearly audible noises from the transmission. Check for malfunctions.

  Other information 

  • To access the transmission connectors, see Connectors, transmission, disconnecting / connecting
  • To access the control module connector, see Transmission control module (TCM), replacing .

Is the transmission operating correctly? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the control system