DTC Detection Logic
NOTE:
- If DTC P1720 is displayed with DTC U1000, U1001 first perform the trouble diagnosis for DTC U1000, U1001. Refer to
"DTC LOGIC
".
- If DTC P1720 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to
"DTC LOGIC
".
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1720 |
Vehicle speed sensor (TCM output) |
A difference between two vehicle speed signals is out of the specified range. |
- Harness or connectors (Secondary speed sensor circuit is open or shorted.)
- Harness or connectors (Wheel sensor circuit is open or shorted.)
- TCM
- Secondary speed sensor
- ABS actuator and electric unit (control unit)
- Wheel sensor
- Combination meter
|