• 5540BA DIPPED BEAM CIRCUIT CHECK (Xenon Gas headlamps)
• 5540BB CHECK ALIGNMENT SENSORS (Xenon Gas headlamps)
• 5540BI HEADLAMP ALIGNMENT CORRECTOR POWER SUPPLY CHECK (Xenon Gas headlamps)
• 5540BJ IGNITION-OPERATED HEADLAMP POWER SUPPLY CHECK (Xenon Gas headlamps)
• 5540BK CHECK THE CONTINUITY OF THE LOW BEAM WIRING INSIDE THE HEADLAMP (Xenon Gas headlamps)
• 5540BL BIDIRECTIONAL SERIAL LINE CHECK (Xenon Gas headlamps)
• 5540BM HEADLAMP ALIGNMENT MOTOR SUPPLY WIRING CHECK (Xenon Gas headlamps)
• 5540BN SPEED SIGNAL CHECK (Xenon Gas headlamps)
• 5540BO CHECK THE SPEED SIGNAL WIRING CONTINUITY INSIDE THE MASTER HEADLAMP (Xenon Gas headlamps)
• 5540BP CHECK THE HIGH BEAM CONTROL COIL POWER SUPPLY (Xenon Gas headlamps)