Checking the Cable For Power Supply To the Water Pump

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 OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Disconnect the 2-pin connector at the control module (terminals 9 and 10)
Disconnect the 2-pin connector at the water pump.

Fig 2: Identifying 2-Pin 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 10 at the control module and terminal 2 (gray cable at the connector for the water pump.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Checking Ground Lead .
NOT OK
Refer to Checking For An Open-Circuit

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Disconnect the 2-pin connector at the control module (terminals 9 and 10)
Disconnect the 2-pin connector at the water pump.

Fig 2: Identifying 2-Pin 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 10 at the control module and terminal 2 (gray cable at the connector for the water pump.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Checking Ground Lead .
NOT OK
Refer to Checking For An Open-Circuit