Checking cables and connectors
Check heated oxygen sensor (HO2S) connector for contact resistance and oxidation according to Contact resistance and oxidation and loose connections according to Loose connections (terminals)
Check signal cable between heated oxygen sensor (HO2S) #4 and control module #A17 (#A17) and power supply between system relay #3 and heated oxygen sensor (HO2S) #3 for an intermittent open-circuit according to Open-circuit, intermittent faults .
Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box .
- To access/replace the heated oxygen sensor (HO2S), see Heated oxygen sensors (HO2S), replacing .
- For information about signals:
- For 6 cylinder engines -2001, see Signal specification
- For 6 cylinder engines 2002-, see Signal specification
- For 6 cylinder engines -2004, see Signal specification
- For 6 cylinder engines 2005-, see Signal specification .
- Continue
Refer to Information