Checking Components And Wiring
Check the resistance of the heated oxygen sensor (HO2S) between terminals #3 and #4.
Check the signal cable between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A18 (#A18). Check for a short-circuit to ground.
Remedy as necessary.
Other information
- To connect the breakout box / access the control module, see CONNECTING THE BREAKOUT BOX
- For B5xx4T, see HEATED OXYGEN SENSOR (HO2S), REPLACING
- For B6xx4T, see HEATED OXYGEN SENSOR (HO2S), REPLACING .
- For resistance values, see COMPONENT SPECIFICATIONS
- For 5 cylinder turbocharged engines -2004, see SIGNAL DESCRIPTION
- For 5 cylinder turbocharged engines 2005-, see SIGNAL SPECIFICATION .
- For 6 cylinder engines -2004, see SIGNAL SPECIFICATION
- For 6 cylinder engines 2005-, see SIGNAL SPECIFICATION .
- see CHECKING WIRING AND TERMINALS .
- Continue
Refer to VERIFICATION