2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 294
8. Make sure that "COOLAN TEMP/S" indicates more than 70锟紺 (158锟紽).
If not, warm up engine and go to next step when "COOLAN TEMP/S" indication reaches to 70锟紺 (158锟紽).
9. Open engine hood.
10. Select "HO2S2 (B1) P0139" or "HO2S2 (B2) P0159" of "HO2S2" in "DTC WORK SUPPORT" mode with
CONSULT-III.
11. Start engine and follow the instruction of CONSULT-III display.
NOTE:
It will take at most 10 minutes until "COMPLETED" is displayed.
12. Touch "SELF-DIAG RESULTS".
Which is displayed on CONSULT-III screen?
OK - INSPECTION END
NG - Go to See: P Code Charts/P0139.
CANNOT BE DIAGNOSED-GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
2. Perform DTC confirmation procedure again.
- GO TO 2.
4.PERFORM COMPONENT FUNCTION CHECK
With GST
Perform component function check. See: P Code Charts/P0139.
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 - Go to See: P Code Charts/P0139.
Component Function Check
1.PERFORM COMPONENT FUNCTION CHECK-I
With GST
1. Start engine and warm it up to the normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
6. Let engine idle for 1 minute.
7. Check the voltage between ECM harness connector terminals under the following condition.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.PERFORM COMPONENT FUNCTION CHECK-II
