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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.
