Pinpoint Test G215852P5

PINPOINT TEST G215852p5 : P2503: CHARGING SYSTEM VOLTAGE LOW

G215852t14 : CHECK FOR DTC AFTER FULL LOAD TEST
1. Clear all DTCs.
2. Start the engine and run at 1500 rpm with all electrical loads switched ON, except the heated front screen.

- Does P2503 reflag within five minutes?

-> YES
GO to Pinpoint Test G215852t15.

-> NO
No charging system fault found.

G215852t15 : CHECK THE BATTERY TO GENERATOR CABLES FOR HIGH RESISTANCE
1. Turn the ignition switch to the OFF position.
2. Disconnect the battery negative terminal.
3. Disconnect the battery positive terminal.
4. Disconnect the B+ terminal from the starter motor.
5. Disconnect the B+ terminal from the generator.
6. Measure the resistance of both leads.

- Is either resistance greater than 5 ohms?

-> YES
INSTALL a new lead. CLEAR the DTC, test the system for normal operation.

-> NO
GO to Pinpoint Test G215852t16.

G215852t16 : CHECK FOR DTC AFTER CLEANING CONNECTIONS
1. Clean all connections in the supply and GROUND circuits.
2. Clear all DTCs.
3. Start the engine and run at 1500 rpm with all electrical loads switched ON, except the heated front screen.

- Does P2503 reflag within five minutes?

-> YES
INSTALL a new generator. CLEAR the DTC, test the system for normal operation. If the DTC is repeated, contact dealer technical support for advice on possible ECM and/or power feeds failure.

-> NO
Fault rectified.