If output signal of APT is higher than maximum threshold value for more than 3 sec., ECM sets DTC P053300. This fault might be caused by short to power in signal circuit or open in ground circuit of APT.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Short to power in signal circuit of APT 3. Open in ground circuit of APT 4. Faulty APT | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
Output signal is below threshold value | ||
Diagnostic Time |
•
3 sec. | ||
Fail Safe | MIL |
•
Off | |
