Checking the connectors

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.

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Check the idle air control (IAC) valve and throttle position (TP) sensor connectors for contact resistance and oxidation according to Contact resistance and oxidation . Check for damage carefully
Remove the idle air control (IAC) valve according to Replacing the idle air control (IAC) valve . Check if the hoses and ducts for the idling system and throttle angle are blocked
Try a new idle air control (IAC) valve if no fault is found during the above fault-tracing.
Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000
- For information about signals, see Signal specification .

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Refer to Verification