Checking Component And Wiring

Check the signal cable for the alarm output S1. Check between accessory electronic module (AEM) terminal #B34 and the connector for the alarm unit. Check for a short-circuit to supply voltage. Check for an open-circuit.

Remedy as necessary.

Other information: 

• see CONNECTING THE BREAKOUT BOX
• see ACCESSORY CONTROL MODULE (AEM)
• see SIGNAL SPECIFICATION
• see CHECKING WIRING AND TERMINALS

Fig 1: Accessory Electronic Module Ground Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to VERIFICATION