DTC Description

ECM sets DTC P0820 if neutral gear switch is ON for more than 4 sec. while clutch switch is on and engine rpm changes. In this case, Idle stop function is not performing by ECM

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal check, low

1.

Poor connection

2.

Neutral S/W circuit

3.

Neutral S/W

Enable Conditions

No misfire detection

Clutch torque is higher than 20%

Delta engine speed is higher than 40rpm/segment

Threshold Value

Netral postion sensor signal ON

Diagnostic Time

4sec

MIL ON Condition

NO MIL

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