DTC Detection Logic
| DTC No. | CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
|---|---|---|---|---|
| B2721 | Rear left side internal sensor (Rear sonar sensor LH inner) |
1 | Diagnosis condition | When ignition switch is ON and power supply voltage is 8.5V - 16.5V. |
| Signal (terminal) | Rear inner left sensor signal (terminal 21) | |||
| Threshold | Rear inner left sensor signal circuit is open or short to ground | |||
| Diagnosis delay time | - | |||
| 2 | Diagnosis condition | When ignition switch is ON and power supply voltage is 8.5V - 16.5V. | ||
| Signal (terminal) | Rear inner left sensor signal (terminal 21) | |||
| Threshold | Rear inner left sensor signal circuit is short to voltage | |||
| Diagnosis delay time | - | |||
| 3 | Diagnosis condition | When ignition switch is ON and power supply voltage is 9.5V - 16.5V. | ||
| Signal (terminal) | Rear inner left sensor signal (terminal 21) | |||
| Threshold | Rear sonar sensor LH inner element malfunction | |||
| Diagnosis delay time | - | |||