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Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Climate Units - Symptom Related Diagnostic Procedures (Coupe)) >> Checking D+-Signal From Generator (Gen) (1998) >> Checking D+ Signal From Generator (GEN) >> Checking Cables

Checking 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 ECC control module connector for Contact Resistance And Oxidation .

Check signal cable between ECC control module #B3 and generator (GEN) terminal D+ for an open-circuit according to Open-Circuit, Permanent Faults .

NOTE: An open-circuit on the signal cable between ECC control module #B3 and connector 24/13 can be caused by the signal cable short-circuiting to ground or supply. Always check the signal cable for this fault according to Short-Circuit To Ground, Permanent Faults and Short-Circuit To Supply Voltage. Permanent Faults .

Remedy as necessary.

Other information:

To connect the breakout box, see Connection Of Breakout Box ECC .

To remove the control module, refer to Replacing ECC Control Module .

Fig 1: Identifying Connector B
GLL127568Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.