Checking signal cable resistance to ground

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 Switch OFF Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Engine speed (RPM) sensor disconnected.
Connect an ohmmeter between engine speed (RPM) sensor connector terminals 1 and 2 (engine control module (ECM) side).

Fig 3: Identifying 2-Pin Connector
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read 15 - 25 kΩ.

OK
Refer to Checking for a short-circuit to supply voltage in signal cable
LOW
Refer to Checking for a short-circuit
HIGH
Refer to Checking control module connector