Suzuki WagonR+ RB310 Service Manual page 2016

6H-4 CHARGING SYSTEM
1. Generator 4. Battery
2. Ammeter 5. Load
3. Voltmeter 6. Switch
REGULATOR CASE TEMP. (_C)
UNDERCHARGED BATTERY
This condition, as evidenced by slow cranking or indicator clear
with red dot can be caused by one or more of the following condi-
tions even though indicator lamp may be operating normal.
The following procedure also applies to cars with voltmeter and am-
meter.
1) Make sure that undercharged condition has not been caused by
accessories left on for extended period of time.
2) Check drive belt for proper tension.
3) If battery defect is suspected referring to BATTERY section.
4) Inspect wiring for defects. Check all connections for tightness
and cleanliness, battery cable connections at battery, starting
motor and ignition ground cable.
5) Connect voltmeter and ammeter as shown.
Voltmeter
Set between generator B terminal and ground.
Ammeter
Set between generator B terminal and battery (+) terminal.
NOTE:
Use fully charged battery.
6) Measure current and voltage.
NO-LOAD CHECK
Run engine from idling up to 2,000 rpm and read meters.
NOTE:
Turn off switches of all accessories (wiper, heater etc.).
Standard current
Standard voltage
NOTE:
Consideration should be taken that voltage will differ some-
what with regulator case temperature as shown in left figure.
10 A maximum
14.2 – 14.8 V
at 25_C (77_F)