MT Model

DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL)

1. OUTLINE OF DIAGNOSIS
Judge the open or short circuit of the neutral SW.
Judge NG when there is no change in the neutral SW even if the driving shift was applied. (There is neutral SW ON/OFF inversion from the vehicle speed and engine speed.)




2. ENABLE CONDITION

3. GENERAL DRIVING CYCLE
Perform the diagnosis continuously in 2 seconds or more after starting the engine.




4. DIAGNOSTIC METHOD
Judge NG when the malfunction criteria are completed 3 time or more after the neutral SW change.
Judge OK and clear NG if there is change in the neutral SW.

5. DTC CLEAR CONDITION
- When the OK idling cycle was completed 40 times in a row
- When "Clear Memory" was performed

6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed

7. FAIL SAFE
None

8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02