If error signal of neutral gear switch is detected for certain amount of time, ECM sets DTC P0820. This fault might be caused by open or short to power/ground in signal circuit of neutral gear switch.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal monitoring | 1. Open or short to power/ground in signal circuit of neutral gear switch 2. Faulty neutral gear switch |
Enable Condition |
•
Engine start completed
•
No misfire detection
•
Engine speed gradient is less than 100
•
Deviation of indicated real engine torque and resistant engine torque is higher than 20% | |
Threshold Value |
•
Neutral position switch signal is "True" | |
Diagnosis Time |
•
4 sec. | |
MIL ON Condition |
•
- |
