Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
G 70 Troubleshooting Engine Start System<br />
7.2 Checking the Engine Control Module (ECM)<br />
Prerequisites Battery voltage measuring 11–13 VDC<br />
Procedure Follow the procedure below to check the ECM.<br />
1. Open the control panel and locate the ECM.<br />
.<br />
2. Place the START/RUN switch in the ON position.<br />
Does the ECM boot up and do the FUEL (a) and CRANK (b) LEDs illuminate?<br />
3. Check connections of battery cables. Also check battery voltage.<br />
Is the battery voltage 11–13 VDC?<br />
4. Locate Plug 1. Measure the voltage between red wire #53 of the plug and<br />
ground.<br />
Is at least 9.8V measured?<br />
5. Locate Plug 2. Measure the voltage between red wire #18 and ground during<br />
cranking.<br />
Is at least 9.8 VDC measured?<br />
This procedure continues on the next page.<br />
wc_tx000957gb.fm 57<br />
Plug 1<br />
V<br />
R<br />
Y<br />
Yes____ No____<br />
Go to step 6. Continue.<br />
Plug 2<br />
Yes____ No____ Your reading<br />
Continue. Charge the battery.<br />
Yes____ No____ Your reading<br />
Continue. <strong>Repair</strong> or replace wire #53.<br />
Yes____ No____ Your reading<br />
Continue. <strong>Repair</strong> or replace wire #18.<br />
R
Change language