Checking wiring and connectors
CAUTION:
Do not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.
Check signal cable (+) between control module #A42 and heated oxygen sensor (HO2S) connector terminal 4 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .
Check signal cable (-) between control module #A41 and heated oxygen sensor (HO2S) connector terminal 3 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .
Other information
- connecting the breakout box/accessing the control module, see Replacing the engine control module (ECM)
- To access/replace the heated oxygen sensor (HO2S), see Heated oxygen sensor (HO2S), replacing
- For information about signals, see Signal specification
- Continue
Refer to Information