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Repair Manual Mobile Generator - Wacker Neuson

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G 70 ECM/Sensor Troubleshooting<br />

5.8 Checking the ECM CAN BUS Circuit<br />

Prerequisites <strong>Generator</strong> shut down<br />

ECM turned off<br />

Procedure Follow the procedure below to check the ECM CAN BUS circuit.<br />

1. Open the control panel.<br />

2. Disconnect the CAN BUS connector.<br />

3. Measure the resistance across terminals A and B of the connector.<br />

Is approximately 120 ohms measured?<br />

Yes ____ No ____<br />

The CAN BUS circuit is OK.<br />

The CAN BUS circuit has failed.<br />

Replace the ECM.<br />

4. Reconnect the CAN BUS connector.<br />

5. Close the control panel.<br />

The ECM CAN BUS circuit has now been checked.<br />

wc_tx000956gb.fm 49

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