DTC P1152 O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1)
DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault
- GENERAL DESCRIPTION < Ref. to DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK 1 SENSOR 1) , Diagnostic Trouble Code (DTC) Detecting Criteria. >
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode < Ref. to
OPERATION , Clear Memory Mode. > and Inspection Mode < Ref. to
PROCEDURE , Inspection Mode. >.
WIRING DIAGRAM:
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK HARNESS BETWEEN ECM AND FRONT OXYGEN (A/F) SENSOR CONNECTOR.
|
Is the resistance less than 1 Ω? | Go to step 2. | Repair the harness and connector.
NOTE:
In this case, repair the following item:
|
| 2 CHECK POOR CONTACT. Check for poor contact of the front oxygen (A/F) sensor connector. |
Is there poor contact in the front oxygen (A/F) sensor connector? | Repair the poor contact of the front oxygen (A/F) sensor connector. | Replace the front oxygen (A/F) sensor. < Ref. to FRONT OXYGEN (A/F) SENSOR . > |