SsangYong Korando III (2010 year). Manual - part 348

09-4

2. INSPECTION

1) Alternator Output Test

Item

How to check

DTC set value / Action

Output 

current

B terminal 

current

Rotor 

coil 

resistance

L terminal 

voltage

Disconnect the cable connected to the B 

terminal on the alternator. Connect one end 

of the ammeter to the B terminal and the 

other end to the cable connected to the B 

terminal. 

Measure the maximum output value. 

(Maintain the engine speed between 2,500 

and 3,000 rpm.) 

(Turn the headlamp and all the electrical 

switches on.) 

1.

2.

Pass: If the measured current is 45 A 

or higher. 

Fail: If the measured current is less 

than 45 A.

Check the current of the B terminal.

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Move the gear selector lever to the

 neutral position.

Maintain the engine speed at 2,500 rpm 

with the vehicle unloaded.

(Turn all the electrical switches off.) 

1.

2.

Open circuit: If the measured 

current is 5 A or higher.

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Disconnect the negative cable from the 

battery. 

Remove the B terminal and turn off the 

ignition switch. 

Measure the resistance between the L and F 

terminals with an ohmmeter. 

1.

2.

3.

Pass: If the measured resistance is 
between 3 and 6 Ω.

Faulty rotor coil or slip ring: If the 

measured resistance is less than 3 
Ω or greater than 6 Ω.

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Connect the B terminal wiring.

Measure the voltage with the engine running. 

1.

2.

Specification: 12.5 V to 14.5 V

Faulty IC regulator or field coil: If 

the measured voltage is 14.5 V or 

higher. 

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Disconnect the negative battery cable.

Connect the negative cable again after connecting the ammeter. 

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09-5

0000-00

2) Troubleshooting for Alternator

Item

Cause

Action

Overcharged battery

Defective alternator voltage regulator

Replace

defective alternator detection wiring

Repair or replace

Discharged battery

Loose alternator drive belt

Adjust the belt tension or replace

Poor connection of related circuit or 

open circuit

Retighten the loose connection or 

repair open circuit

Defective alternator voltage regulator

Replace

Terminated battery

Replace

Defective ground

Repair 

Charge warning lamp 

does not come on when 

turning on ignition switch 

with engine stopped

Defective alternator voltage regulator

Replace

Open circuit in charge warning lamp, 

fuse or wiring

Replace or repair the charge 

warning lamp or fuse

Defective ignition switch

Replace

Defective ground of alternator circuit

Repair

Charge warning lamp 

does not go off after 

starting engine

Defective alternator voltage regulator

Replace

Corroded or worn battery cable

Repair or replace

Loose alternator drive belt

Adjust the belt tension or replace the 

belt

Defective wiring harness

Repair or replace

09-6

3) Checking Battery

09-7

0000-00

(1) Checking

Using battery tester

▶

PASS (11.0 V or more): Explain to the customer that the battery is reusable.

Need to be charged (9.0 to 11.0 V): Charge the battery with a charger and reinstall it. Explain it to the 

customer.

Need to be replaced (9.0 V or more): The battery should be replaced due to overdischarging.

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(2) How to use battery tester

How it works and How to use it

▶

Determine battery capacity by fixing current 

(load capacity) and time and varying voltage.

Determine battery capacity based on the 

amount of voltage drop when discharging a 

fixed load capacity (120 A) for 5 seconds.

Connect the tester to the battery and read the 

display while applying a load for 5 seconds.

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How to read display

▶

Red area (①): overdischarge or faulty 

battery
Yellow area (②): Need to be charged 

(using a vehicle alternator and a battery 

charger)
Green area (③): Normal

Red area on the left-hand side of OK 
(④): Impossible to charge with an 

alternator
Green area with OK (⑤): Normally 

charged
Red area on the right-hand side of OK (⑥

Overcharged by an alternator

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