Blower Fan Connection, Electronic Climate Control

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: Electronic Climate Control (ECC) Circuit Diagram

Courtesy of VOLVO CARS OF NORTH AMERICA.

4/30 , Electronic climate control module
4/31 , Blower fan power unit
6/28 , Blower fan
11/5 , Fuse no. 5
11/31 , Fuse no. 31
17/10 , Data Link Connector (DLC) B
23/304 Junction point ground terminal A-post passenger side via 23/416
23/309 Junction point 30+ supply blower fan, power unit blower fan
23/416 Junction point ground terminal 31/15 A-post passenger side
24/10 , Connector 2-pin Firewall cable harness - climate control / blower fan cable harness
31/15 , Ground terminal, passenger side A-post
T24/2 , Connector between the fan connection and heater (yellow 2-pin, under the dashboard)
T24/3 , Connector supply heater (gray 2-pin in the right-hand wheel arch member).