DTC Detection Logic
NOTE:
- If DTC P0820 is displayed with DTC P0335, P0340 or P0345, first perform the trouble diagnosis for DTC P0335, P0340 or P0345. Refer to
"DTC LOGIC
" or
"DTC LOGIC
".
- If DTC P0820 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to
"DTC LOGIC ".
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P0820 |
Gear lever position sensor circuit |
A |
- An excessively low voltage from the sensor is sent to ECM.
- An excessively high voltage from the sensor is sent to ECM.
|
- Harness or connectors (Gear lever position sensor circuit is open or shorted.)
[CKP sensor (POS) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(EVAP control system pressure sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
(Brake booster pressure sensor circuit is shorted.)
- Gear lever position sensor
- Crankshaft position sensor (POS)
- Accelerator pedal position sensor
- EVAP control system pressure
- Refrigerant pressure sensor
- Brake booster pressure sensor
- Transmission
|
| B |
- There is a difference between target engine speed calculated by ECM and actual engine speed.
|