Checking VGLA output

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 ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Go into SCROLL LIST under MONITOR TEST and read off parameter VGLA OUTPUT

Fig 2: Identifying Scan Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does VGLA OUTPUT display LOW?

YES
Refer to Connect breakout box
NO
Refer to Checking for a short-circuit to supply voltage