Honda CBR650RA Shop Manual page 445

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TROUBLESHOOTING
Battery is damaged or weak
1. Battery Test
Remove the battery (page 20-5).
Check the battery condition using the recommended battery tester.
RECOMMENDED BATTERY TESTER: BM-210 or BATTERY MATE or equivalent
Is the battery in good condition?
YES
NO
2. Current Leakage Test
Install the battery (page 20-5).
Check the battery current leakage using a digital multimeter. (page 20-6)
Is the current leakage below 2.8 mA?
YES
NO
3. Current Leakage Test with Regulator/rectifier Connector Disconnected
Disconnect the regulator/rectifier 3P (Black) connector (page 20-7).
Recheck the battery current leakage.
Is the current leakage below 2.8 mA?
YES
NO
4. Charging Voltage Inspection
Measure and record the battery voltage using a digital multimeter (page 20-5).
Start the engine.
Measure the charging voltage (page 20-6).
Compare the measurements to the results of the following calculation.
STANDARD:
Measured BV < Measured CV < 15.5 V
• BV = Battery Voltage
• CV = Charging Voltage
Do the battery and charging voltages satisfy the calculation?
YES
NO
5. Alternator Charging Coil Inspection
Check the alternator charging coil (page 20-7).
Is the alternator charging coil resistance within 0.1 – 1.0 Ω (20°C/68°F)?
YES
NO
6. Regulator/rectifier Wire Harness Inspection
Check the regulator/rectifier wire harness (page 20-7).
Are the results of checked voltage and continuity correct?
YES
NO
– GO TO STEP 2.
– Faulty battery
– GO TO STEP 4.
– GO TO STEP 3.
– Faulty regulator/rectifier
– • Shorted wire harness
• Faulty ignition switch
– Faulty battery
– GO TO STEP 5.
– GO TO STEP 6.
– Faulty charging coil
– Faulty regulator/rectifier
– • Open circuit in related wire
• Loose or poor contacts of related terminal
• Shorted wire harness
BATTERY/CHARGING SYSTEM
20-3