Install a clamp-on ampere meter at "BATTERY" (+) cable.( Refer to Fig.1)
Start the engine and turn on A/CON and electric devices (head lamp, defogger…etc).
Quickly increase the engine speed to 2,500 rpm and read the maximum output current value indicated by the ampere meter.
■ Specification
Regulating voltage at 20°C(68°F) | 13.5 ~ 15.2V | |
Output Current value | Without ISG system | 45 ~ 90 A |
With ISG system | 55 ~ 110 A | |
Are the measured voltage value and current value normal ?
 | ▶ Click on "Coolant" item for more details. ▶ Click on "Cooling fan" item for more details. ▶ Click on "Spark plug" item for more details. |
 | ▶ Check electrical accessory installation. ▶ Check tension of the alternator belt. ▶ Check battery terminal and B+ terminal of the alternator (tightening condition and corrosion). |
