No-Load Test
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Jaguar XJR, 2003 Jaguar XJ8, 2003 Jaguar XJ, 2002 Jaguar XJR, and 2002 Jaguar XJ8. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the DVOM leads across the battery terminals.
- Read the voltage (base voltage) if battery voltage is less than 12.5 volts, recharge battery before test.
- Start the engine.
- Run the engine to 1500 RPM with no electrical load.
- Read the voltage. If the voltage increase is less than 0.5 volts over the base voltage, perform the BATTERY LOAD TEST .