LEMON Manuals: Even more car manuals for everyone
Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Climate Units - General Diagnostics And Tests (Coupe)) >> Checking Components And Functions. Additional Heater (1999-2002) >> Checking Additional Heater >> Checking the Connectors And Cables

Checking the Connectors And Cables

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.

Check control module and heater 6-pin connector for contact resistance and oxidation according to Contact Resistance And Oxidation .

Check any damage etc.

Check cable between control module #5 and generator (GEN) D+ terminal for an open-circuit according to Open-Circuit, Permanent Faults and for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults .

Remedy as necessary.

Other information: 

Fig 1: Identifying Siren Connector Terminals
GLL127618Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Data Link Connector
GLL102417Courtesy of VOLVO CARS OF NORTH AMERICA.