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Charging System Test

Schematic Reference

Starting and Charging Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Charging System Description and Operation

Electrical Information Reference

Engine running, observe the charge indicator on the instrument cluster or message in the driver information centre display. The charge indicator on the instrument cluster should be turned OFF and the driver information centre display should not display any charging system message.

1. Ignition ON, verify that no G13 Alternator or B18 battery current sensor DTCs are set that would cause a charging system concern.

⇒	If DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .

2. Ignition OFF, measure the voltage across the battery terminals. The voltage should read 12.0 V or greater at room temperature.

⇒	If not within the specified value, refer to Battery Inspection/Test .

Note: Ensure vehicle accessories are OFF for the next step.

3. Engine ON, increase engine speed to 2,500 RPM. Verify the battery voltage is between 12.6-15.0 V.

⇒	If not within specified range, replace the G13 generator.

4. Engine ON, increase engine speed to 2,500 RPM. Turn ON all vehicle accessories. Verify the battery voltage is between 12.6-15.0 V.

⇒	If not within specified range, replace the G13 generator.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Generator Replacement : 2.4L LAF → 1.8L 2H0 → 2.0L Diesel LNP