DTC DETECTION LOGIC

DTC | Self-diagnosis name | DTC detection condition | Possible cause
P0790 | Normal/performance switch circuit | A DTC is set if TCM detects the set-up switch (transmission) ON signal for a certain period of time. |

- Set-up switch (transmission)
- Harness or connector
  [Short in the set-up switch (transmission) circuit]

DTC CONFIRMATION PROCEDURE
1.CHECK BEFORE OPERATION
If another “DTC CONFIRMATION PROCEDURE” is performed just before the next test, turn the ignition switch OFF and wait for 10 seconds or more, then perform the next test.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III

1. Start the engine and wait for 1 minute or more.
2. Check “Self Diagnostic Result” of “TRANSMISSION”.

Is DTC P0790 detected?
YES>>Go to Diagnosis Procedure (NHPC).
NO>>Go to Intermittent Incident.