Signal too high. Permanent fault: Verification: Verification

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

HINT: After carrying out the repair, check that the fault has been remedied.

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Reconnect the connectors, reinstall components etc.
Connect VCT2000
Start the engine. Let the engine idle until it reaches operating temperature.
Read off the signal for the front heated oxygen sensor (HO2S).

Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the value oscillate between approximately 0 and 1 V?

YES
Refer to Resetting the adaptation
NO
Refer to Information