DTC Detection Logic
NOTE:
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
DTC LOGIC
. DTC DETECTION LOGIC TABLE
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P2138 |
Accelerator pedal position sensor circuit range/performance |
Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2. |
- Harness or connectors (APP sensor 1 or 2 circuit is open or shorted.)
[CKP sensor circuit is shorted.]
[CMP sensor (bank 1) circuit is shorted.]
[EVT control position sensor (bank 1) circuit is shorted.]
(Battery current sensor circuit is shorted.)
(EVAP control system pressure sensor circuit is shorted.)
(Manifold pressure sensor circuit is shorted.)
- Accelerator pedal position sensor (APP sensor 1 or 2)
- Crankshaft position sensor
- Camshaft position sensor (bank 1)
- Exhaust valve timing control position sensor (bank 1)
- Battery current sensor
- EVAP control system pressure sensor
- Manifold pressure sensor
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