Checking Wiring And Connectors

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Check the connector pin for the horn's relay in Central electronic module (CEM) #G18 (#18) for short-circuiting to ground. Also check the cable between Central electronic module (CEM) #G18 (#18) and horn relay (2/17) in the front fuse box for short-circuiting to ground.
Click the VCT2000 symbol to read out relay status.
If no problem was detected, replace the relay 2/17.
Other information
- see CONNECTING THE BREAKOUT BOX (2008, 2009, 2010, 2011)
- see SIGNAL DESCRIPTION CENTRAL ELECTRONIC MODULE (CEM) (2008, 2009, 2010, 2011)
- see LOCATION OF COMPONENTS (2008, 2009)
- To access the central electronic module (CEM), see: CONTROL MODULE RELAY BOX PASSENGER COMPARTMENT
- see CONTENTS
Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.