Signal Too High
Signal too high
Checking software
Checking software
Checking software
Note! The information below only applies to modal year 2003-2004.For other model years, select the alternative "No".
It may be possible to remedy the fault by downloading new software into the control module.
Action
- Go to the tab software and program the control module with the latest software.
Other information
- For more information, see Design and Function.
Has the fault been remedied?
Yes - Fault Found
No - No Fault Found
------------------------
FAULT FOUND - Fault Found
No Fault Found - rear heated oxygen sensor, warming
-------------------------------------------------
Diagnostic trouble code status ECM-2210, rear heated oxygen sensor, warming
Note! When reading out the diagnostic trouble code's status, other stored diagnostic trouble codes and their status will be shown.
Read off the status of the diagnostic trouble code (DTC). Check the diagnostic trouble code's status.
Was the status of the relevant Diagnostic Trouble Code (DTC) displayed as permanent?
Yes - Checking the wiring and component
No - Checking the wiring
-------------------------------------------------
Checking the wiring
Check the cable between control module #A11 and heated oxygen sensor #2 for intermittent short-circuit to voltage.
Other information
- Connecting the breakout box Connecting the Breakout Box
- Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults
- Heated oxygen sensor (HO2S), replacing Heated Oxygen Sensor (HO2S), Replacing
- Signal specification Signal Description / Specification
- Engine control module (ECM), replacing Service and Repair
Continue - Fault-tracing information
-------------------------------------------------
Checking the wiring and component
Check the resistance for the rear heated oxygen sensor's coil between #1 and #2. At 20 °C the resistance should be approx. 5.0-6.8 ohms.
Check the cable between control module terminal #A11 and front heated oxygen sensor #2 for short-circuit to voltage.
Remedy as necessary.
Other information
- Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
- Heated oxygen sensor (HO2S), replacing Heated Oxygen Sensor (HO2S), Replacing
- Signal specification Signal Description / Specification
- Engine control module (ECM), replacing Service and Repair
Continue - Verification
-------------------------------------------------
Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Reconnect connectors, reinstall components
- Start the engine and let it idle.
- Read off the signal for the rear heated oxygen sensor (HO2S).
Note! It takes approximately 50 seconds before fuel trim starts.
Check that the signal is within its permitted range. The signal should rise and exceed 0.67 V.
Is the value OK?
Yes - VERIFIED
No - VERIFICATION FAILED
------------------------
VERIFICATION FAILED - Fault-tracing information
VERIFIED - Fault Found
-------------------------------------------------
Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
------------------------
FAULT-TRACING FAILED - FAULT-TRACING FAILED
Attempt New Test - rear heated oxygen sensor, warming
-------------------------------------------------
Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Fault Found
------------------------
Attempt New Test - rear heated oxygen sensor, warming
FAULT FOUND - DONE
DONE - DONE
-------------------------------------------------