Engine Control Module (ECM) Diagnostic Trouble Codes - 1 of 3: Overview Volvo V40 I рестайлинг

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1. Ignition off
2. Check the front heated oxygen sensor (HO2S) connector for contact resistance and oxidation according to «Contact resistance and oxidation»(ref-441291-S41448420802011121500000). Check the cable between control module terminal #45 and heated oxygen sensor (HO2S) connector terminal #4. Check for an open-circuit according to «Open-circuit, permanent faults»(ref-441291-S38831997352011121500000). Try a new heated oxygen sensor (HO2S) if no fault is found during the above fault-tracing. Remedy as necessary. Other information To connect the breakout box and access the control module, see «Connecting the breakout box. EMS 2000»(ref-441291-S13587040122011121500000) To access or replace the front heated oxygen sensor (HO2S), see «Replace the front heated oxygen sensor (HO2S)»(ref-441339-S30504258732011121500000) For information about signals see «Signal specification»(ref-441338-S16642011902011121500000).

1. Continue Refer to «Verification»(ref-441343-S32290013722011121500000)

See also:
• Measuring fuel pressure EMS 2000
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