P0546 is set when front exhaust gas temp. sensor(T3-VGT) signal voltage is above 4.95V - the upper limit value - for more than 2.97 sec.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring |
•
Abnormal over-load (driving) condition
•
Exhaust gas temp. sensor(T3-VGT) wiring
•
Exhaust gas temp. sensor(T3-VGT) component | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
Signal voltage above 4.95V(Short to battery or open in signal circuit) | |||
Diagnostic Time |
•
2.97 sec. | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | OFF | |||
