DTC P0134: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1): Wiring Diagram
- Engine electrical system non-turbo model (without push button start) < Ref. to NON-TURBO MODEL (WITHOUT PUSH BUTTON START) , WIRING DIAGRAM, Engine Electrical System. >
- Engine electrical system non-turbo model (with push button start) < Ref. to NON-TURBO MODEL (WITH PUSH BUTTON START) , WIRING DIAGRAM, Engine Electrical System. >
DTC 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 FOR POOR CONTACT
. Check for poor contact of ECM and front oxygen (A/F) sensor connector. |
Is there poor contact of ECM or front oxygen (A/F) sensor connector? | Repair the poor contact of ECM or front oxygen (A/F) sensor connector. | Replace the front oxygen (A/F) sensor. < Ref. to FRONT OXYGEN (A/F) SENSOR . > |