15-3
BATTERY/CHARGING SYSTEM
Incorrect
Incorrect
TROUBLESHOOTING
BATTERY IS DAMAGED OR WEAK
3. Check the alternator charging coil (page 15-10).
STANDARD:
0.2 – 1.0 Ω (20°C/68°F)
Correct
4. Remove the battery (page 15-6).
Measure and record the battery voltage using
digital multimeter (15-8).
Install the battery (page 15-6).
Start the engine.
Measure the charging voltage (page 15-8).
Compare the measurement to result of the fol-
lowing calculation.
STANDARD:
MEASURED BATTERY VOLTAGE <
MEASURED CHARGING VOLTAGE <
15.5 V at 5.000 min
– 1
(rpm)
Correct
Incorrect
Correct
Correct
Incorrect
1. Remove the battery (page 15-6).
Check the battery condition using the recom-
mended battery tester.
RECOMMENDED BATTERY TESTER:
BM-210-AH or BM-210
BATTERY MATE or equivalent
2. Install the battery (page 15-6).
Check the battery current leakage
(Leak test page 15-9).
STANDARD: 1.0 mA max
Disconnect the regulator/rectifier 4P connector and
recheck the battery current leakage.
Incorrect
(To page 15-4)
Correct
• Faulty battery
• Faulty charging coil
• Charging system is normal
• Faulty regulator/rec-
tifier
• Shorted wire harness
• Faulty ignition switch
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