DTC P0203 is set when no current is detected in "High side" circuit or "Low side" circuit of injector #3 at injection condition. This code is due to open in injector # 3 circuit / injector component.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Current Monitoring | 1. Injector circuit 2. Injector component | ||
Enable Conditions |
•
IG key ON | |||
Threshold Value |
•
Open in High side circuit.
•
Open in Low side circuit. | |||
Diagnostic Time |
•
Immediately | |||
Fail Safe | Fuel cut | NO |
•
MIL is blinking if no IQA inputted. | |
EGR Off | NO | |||
Fuel Limit | YES | |||
Check Lamp | ON | |||
