DTC P0606
Precautions: General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
P0606: Control Module Processor ECM internal processor failure. (3 D/C detection logic) |
•ECM power supply circuit and/or ground circuit
•HO2S-2 •ECM |
System Description
Internal control module is installed in ECM.
DTC Confirmation Procedure
NOTE:
Check that the following condition is met in this “DTC Confirmation Procedure”.
•8.5 V < battery voltage < 16.5 V
1)Run engine at idle speed for 1 min.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC recheck
1)Clear DTC.
2)Set ignition “OFF”.
3)Perform “DTC Confirmation Procedure”, and check DTC.
Is DTC P0606 still detected?
|
Go to Step 2.
|
Check for intermittent trouble.
|
| 2 |
ECM power and ground circuit check
1)Check ECM power supply and ground circuits.
Is check result OK?
|
Go to Step 3.
|
Repair or replace defective wire harness.
|
| 3 |
DTC recheck
1)Replace HO2S-2.
2)Perform “DTC Confirmation Procedure”, and check DTC.
Is DTC P0606 still detected?
|
Substitute a known-good ECM and recheck DTC.
|
End.
|