Malfunction Threshold

One of these conditions occurs:

• The input signal from transmission fluid pressure switch C (4th clutch) to the PCM is low for at least 5 seconds when the shift lever is in P or N.
• The input signal from transmission fluid pressure switch C (4th clutch) to the PCM is low for at least 5 seconds when the 1st gear shift is commanded or when the shift lever is in P or N, after the signal is low for at least 3 seconds when driving in 1st, 2nd, 3rd, 5th, or 6th gear.