TP Sensor Rationality Monitor
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
Operation
TP SENSOR RATIONALITY MONITOR OPERATION
| DTCs | P0121 (Phase 1, Phase 2) |
| Monitor execution | Continuous |
| Sensors / components OK | IAT, ECT, Barometric pressure, TP, MAF |
| Monitoring Duration | 4 s x 3 times |
Enable conditions
TP SENSOR RATIONALITY MONITOR ENABLE CONDITIONS
| Parameter | Minimum | Maximum |
|---|---|---|
| Phase 1 | ||
| Engine speed | 2000 rpm | |
| Calculated load value | 30.5% | 37.5% |
| Time from engine start | 6.4 s | |
| Engine coolant temp. | -8 (17) °C (°F) | 110 (230) °C (°F) |
| IAT | -8 (17) °C (°F) | |
| Barometric pressure | 74.5 kPa | |
| Phase 2 | ||
| Engine speed | 1000 rpm (M/T), 906 rpm (A/T) | |
| Calculated load value | 22.5% (M/T), 27.3% (A/T) | |
| Time from engine start | 6.4 s | |
| Engine coolant temp. | -8 (17) °C (°F) | 110 (230) °C (°F) |
| IAT | -8 (17) °C (°F) | |
| Barometric pressure | 74.5 kPa | |
| TP sensor Range check | Normal | |
Typical malfunction thresholds
TP SENSOR RATIONALITY MONITOR TYPICAL MALFUNCTION THRESHOLDS
| Phase 1: Measured TP < 6.35° (7.5%) |
| Phase 2: Measured TP > 4.9°- 8.8° |