No-Load Check

NOTE: Use fully charged battery.

Check for DTC. Refer to DTC CHECK
If there is any DTC, perform trouble shooting for applicable DTC and then clear DTC.

Trouble shooting: Refer to DTC TABLE

DTC clearance: Refer to DTC CLEARANCE
Turn off all electrical loads (5).
Connect voltmeter (3) and ammeter (2) as shown in figure.
Start engine and warm it up to normal operating temperature.

Fig 1: Identifying Connection Of Voltmeter And Ammeter
Courtesy of SUZUKI OF AMERICA CORP.
Run engine around 2, 000 rpm and read meters.
- If voltage is higher than standard value, check ground circuit of brushes. Refer to Generator Inspection
  If brushes are not grounded, replace IC regulator.
- If voltage is lower than standard value, inspect rotor, stator, rectifier, bushes and regulator. Refer to Generator Inspection
Specification for generator test (No-load check)

Current: 10 A

Regulated voltage: 14.2 - 14.8 V (at 20 °C, 68 °F)

Fig 2: Recirculated Voltage Vs Regulator Case Temperature Graph
Courtesy of SUZUKI OF AMERICA CORP.