DTC P1152 O2 Sensor Circuit Range/Performance (Low) (Bank1 Sensor1)
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) . >
CAUTION:
After repairing or replacing the defective part, carry out the Clear Memory Mode <Ref. to
OPERATION , CLEAR MEMORY MODE. > and Inspection Mode <Ref. to
PROCEDURE , INSPECTION MODE. >.
WIRING DIAGRAM:
DIAGNOSTICS PROCEDURE CHART
| 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 poor contact of front oxygen (A/F) sensor connector. |
Is there poor contact in front oxygen (A/F) sensor connector? | Repair the poor contact in front oxygen (A/F) sensor connector. | Replace the front oxygen (A/F) sensor. <Ref. to FRONT OXYGEN (A/F) SENSOR . > |