P011B
DTC P011B
DTC Detecting Condition and Trouble Area
Wiring Diagram
Refer to P0101 DTC P0101
and P0116 DTC P0116 / P0125 / P0128.
DTC Confirmation Procedure
NOTE:
If DTCs other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.
1) Warm up engine to normal operating temperature.
2) Turn OFF ignition switch and leave for 5 hours.
DTC Troubleshooting
1.
Was "Engine and Emission Control System Check" performed?
YES -
Go to Step 2.
NO -
Go to Engine and Emission Control System Check Engine and Emission Control System Check.
2. ECT sensor circuit check
Check ECT sensor circuit according to Step 3 under P0116 DTC P0116 / P0125 / P0128.
Are they in good condition?
YES -
Go to Step 3.
NO -
Repair or replace defective wire harness.
3. IAT sensor circuit check
Check IAT sensor circuit according to Step 3 under P0111 DTC P0111.
Are they in good condition?
YES -
Go to Step 4.
NO -
Repair or replace defective wire harness.
4. ECT sensor check
Check ECT sensor. Engine Coolant Temperature (ECT) Sensor Inspection
Is it in good condition?
YES -
Go to Step 5
NO -
Replace ECT sensor.
5. IAT sensor check
Check IAT sensor. Inspection
Is it in good condition?
YES -
Substitute a known-good ECM and recheck.
NO -
Replace MAF & IAT drive circuit sensor.