If clutch S/W signal is ON, this signal is sent to ECM which monitors cltuch operation.
That is used to monitor driving and shifting. ECM starts engine by controlling starter relay if clutch signal is ON at idle stop.
ECM sets DTC P0704 in case that the gear shifting signal is inputted more than 10 times but clutch signal is less than 2 times while vehicle is driving higher than 15km/h. The idle stop does not perform if P0704 is set.
Item
Detecting Condition
Possible Cause
DTC Strategy
Signal check
Poor connection
Clutch Switch
Abnormal Clutch Switch installation
Enable Conditions
Vehicle speed < 15 kph
Brake switch signal OFF
Counter of gear shift detection > 10 times
Threshold Value
Number of clutch switch activation < 2times
Diagnostic Time
-
MIL ON Condition
DTC only(Idle stop forbidden)