| Note if the circuit to be checked branches to other parts as shown, disconnect all connectors/ couplers of those parts. Otherwise, diagnosis will be wrong. |

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Voltage check
Using the multi-circuit testersBattery
Battery connection in reverse polarity is strictly
prohibited. Such a wrong connection will damage the
components of the fi system instantly when reverse
power is applied.
Removing any battery terminal of a running engine is
strictly prohibited. The moment such removal is made,
...
Schematic and routing diagram
Engine lubrication system chart diagram
Engine lubrication circuit diagram
...
Fuel line inspection
Inspect fuel line
every 6 000 km (4 000 miles, 12 months)
Inspect the fuel line in the following procedures:
lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Inspect the fuel feed hose (1) for damage and fuel
leakage. ...