Checking For An Open-Circuit

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 2-Pin Connectors And Wire Colors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the black cable between the 2 pin connector and the climate control system. Check for an open-circuit. See Open-Circuit, Permanent Faults .
See the wiring diagram for Blower Fan Connection, Manual Climate Control and Blower Fan Connection, Electronic Climate Control .

Fig 3: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 1: Identifying 2-Pin Connectors And Wire Colors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the red cable between the 2-pin connector and the climate control system. Check for an open-circuit. See Open-Circuit, Permanent Faults .
See the wiring diagram for Blower Fan Connection, Manual Climate Control and Blower Fan Connection, Electronic Climate Control .

Fig 3: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 1: Identifying 2-Pin Connectors And Wire Colors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the green cable between the 2-pin connector and the timer. Check for an open-circuit. See Open-Circuit, Permanent Faults .
See the wiring diagram for Blower Fan Connection, Manual Climate Control and Blower Fan Connection, Electronic Climate Control

Fig 3: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Select "Continue" when the fault has been remedied.

Continue
OKAY: Troubleshooting has been completed.

Check the blower fan circuit. See

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the circuit for an open-circuit. See Open-Circuit, Permanent Faults .

Fig 2: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the green/red or green/yellow thermostat cable for an open-circuit. Rectify the fault or replace the wiring. See Open-Circuit, Permanent Faults .

Fig 2: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check the fuel pump (FP) winding or the fuel pump (FP) wiring. Check for an open-circuit.
Rectify the fault or replace the fuel pump (FP).

Fig 2: Identifying Fuel Pump

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check both the cables. Check for an open-circuit. See Open-Circuit, Permanent Faults .

Fig 2: Checking For Open Circuit

Courtesy of VOLVO CARS OF NORTH AMERICA.