Quiescent Current Measurement

NOTE: The following quiescent current measurement does not apply to vehicles fitted with the Tracker system. If a vehicle is fitted with the Tracker system the quiescent current may be up to 14 milliamps higher.

NOTE: The following vehicle quiescent current values may not apply if non-Jaguar approved accessories are installed.

1. Disconnect the battery ground cable. Service and Repair

2. Check the vehicle off-load battery voltage. If below 12.5 volts, install a fully charged slave battery for the tests and recharge the vehicle battery.
3. Connect a suitable ammeter to the battery with the negative test lead clip to the negative battery terminal, and the positive test lead clip to the battery negative lead.
4. Operate the key fob unlock button to disarm the vehicle security system.

NOTE: Make sure that all electrical accessories are switched off.

- Switch the ignition to the RUN position for a 10 second duration.
- Switch the ignition to the OFF position. REMOVE the ignition key.
- Close the vehicle doors and trunk lid.

5. Monitor the ammeter reading for 30 minutes.
6. After 30 minutes the quiescent current should be no greater than 30 milliamps.
7. Disconnect the ammeter. Reconnect the battery ground cable. Service and Repair