P1670 is set when "IQA read /write error" occurs in EEP ROM where IQA data is saved. This code is due to incorrect input of IQA code to ECM.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
EEP ROM monitoring | 1. ECM internal error | ||
Enable Conditions |
•
IG key ON | |||
Threshold Value |
•
Incorrect input of IQA code to ECM. | |||
Diagnostic Time |
•
Immediately | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | BLINK |