1999-2004 Honda TRX400EX FourTrax Service Manual, Page 224Get this manual
BAlTERYCHARGING SYSTEM
CHARGING SYSTEM INSPECTION
CURRENT LEAKAGE TEST
Turn the ignition switch OFF, and disconnect the negative (-) cable from the batteryConnect the ammeter (+) probe to the negative (4 cable and the ammeter (-) probe to the battery (-) terminalWith the ignition switch OFF, check for current leakage-
When measuring current using tester, set it to high range, and then bring the range down to an appropriate levelCurrent flow higher than the range selected may blow out the fuse in the testerWhile measuring current, do not turn the ignition switch ONA sudden surge of current may blow out the fuse in the tester
SPECIFIED CURRENT LEAKAGE: 0.1 mA maxIf current leakage exceeds the specified value, shorted circuit is likelyLocate the short by disconnecting connections one by one and measuring the current
CHARGING VOLTAGE INSPECTION
If the engine must be running do some work, make sure the area is well ventilatedNever run the engine in an enclosed areaThe exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and may lead deathRun the engine in an open area or with an exhaust evacuation system in an enclosed areaNOTE: