Intermittent Variable Volume Switch Input Circuit

1. Ensure terminal voltage is 0-2.5 volts at ECU connector terminal 1.

Fig. 4 ETACS Control Unit Terminal Identification:

2. Ensure continuity between intermittent variable volume switch connector terminal 1 and ground. Resistance should be 0-1000 ohms, and should change with movement of the intermittent variable volume, Fig. 4.