DTC Description

If abnormal Clutch signal is detected, HECU sets DTC C1520.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

•

Signal Monitoring

1.

Shorted Clutch Switch Circuit

2.

Defected Clutch Switch

Threshold Value

•

Clutch Switch signal does not change after driving with over 60 km/h(Approx. 37 mph) and stop for 5 times1)

•

Clutch Switch signal changes 40 times within 5 sec.2)

Fail Safe

•

CBC/TCS/ESC(ESP)/HAC/VSM inhibited(ESC[ESP] Only)

Warning Indicator Lamp Status

•

ESC(ESP) Warning Indicator Lamp "ON"

Clear Condition

•

In case of 1) condition : Ignition "OFF" and then "ON" and clutch switch change is detected for 5 times

•

In case of 2) condition : Ignition "OFF" and then "ON"

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