DTC Detecting Condition and Trouble Area
P0721 SYMPTOM DIAGNOSIS DESCRIPTION CHART
| DTC detecting condition |
Trouble area |
DTC P0721: Output Speed Sensor Circuit Range/Performance
This DTC is detected if all of the following conditions are met.
- Difference between measured engine speed and the estimated secondary pulley speed is more than 1000 RPM for 5 sec. when lock-up ON.
- Difference between measured primary pulley speed and the estimated secondary pulley speed is more than 1000 RPM for 5 sec. when lock-up ON.
(2 D/C detection logic) |
- Secondary pulley speed sensor and/or its circuit
- Primary pulley speed sensor and/or its circuit
- TCM
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