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Home >> Jaguar >> 1990 >> XJ-S V12-5.3L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Relays and Modules - Ignition System >> Ignition Control Module >> Testing and Inspection

Ignition Control Module: Testing and Inspection

Ignition System Test Points:






Jaguar provides no specific ECU test. However, a voltmeter used in conjunction with the accompanying diagram allows the technician to check ignition system power distribution. This will assist in isolating faulty components and/or wiring problems.