Confirmation Procedure
- PRECONDITIONING
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 2 minutes.
- Check 1st trip DTC.
Is 1st trip DTC detected?
YES
Refer to DTC Diagnosis Procedure .
NO
With CONSULT: GO TO 3.
NO
With GST: GO TO 5.
- PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
WITH CONSULT
NOTE: For better results, perform "DTC WORK SUPPORT" at a temperature of 0 to 30 deg.C (32 to 86 deg.F).- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 1 minute.
- Select "DATA MONITOR" mode with CONSULT.
- Check that "COOLAN TEMP/S" indicates more than 70 deg.C (158 deg.F).
If not, warm up engine and go to next step when "COOLAN TEMP/S" indication reaches 70 deg.C (158 deg.F).
- Open engine hood.
- Select "HO2S2 (B1) P1146" (for DTC P2270) of "HO2S2" in "DTC WORK SUPPORT" mode with CONSULT.
- Follow the instruction of CONSULT display.NOTE: It will take at most 10 minutes until "COMPLETED" is displayed.
- Touch "SELF-DIAG RESULTS".
Which is displayed on CONSULT screen?
OK
INSPECTION END
NG
Refer to DTC Diagnosis Procedure .
CON NOT BE DIAGNOSED
GO TO 4.
- PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B AGAIN
- Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
- Perform DTC confirmation procedure again.
GO TO 3.
- PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B
WITH GST
Perform component function check. Refer to Component Function Check .
NOTE: Use component function check to check the overall function of the heated oxygen sensor 2 circuit. During this check, a 1st trip DTC might not be confirmed.Is the inspection result normal?
YES
INSPECTION END
NO
Refer to DTC Diagnosis Procedure .