Check the Cable For Power Supply To The Glow Plugs

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: Disconnecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Disconnect the 8-pin connector from the control module.

Fig 2: Identifying Control Module Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Connect an ohmmeter between terminal 3 and the yellow cable on the glow plug.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Checking Glow Plugs .
NOT OK
Refer to Checking For An Open-Circuit