Nissan Maxima Service and Repair Manual: Xenon headlamp

Description

OPERATION

Refer to EXL-10, "Component Description".

PRECAUTIONS FOR TROUBLE DIAGNOSIS

  • Installation or removal of the connector must be done with the lighting switch OFF.
  • When the lamp is illuminated (when the lighting switch is ON), do not touch the harness, HID control unit, inside of the lamp, or the lamp metal parts.
  • To check illumination, temporarily install lamp in the vehicle. Be sure to connect power at the vehicle-side connector.
  • If the malfunction can be traced directly to the electrical system, first check for items such as blown fuses and fusible links, broken wires or loose connectors, pulled-out terminals, and improper connections.
  • Do not work with wet hands.
  • Using a tester for HID control unit circuit trouble diagnosis is prohibited.
  • Disassembling the HID control unit or harnesses (bulb socket harness, ballast harness) is prohibited.
  • Immediately after illumination, the light intensity and color will fluctuate, this is normal.
  • When the bulb has reached the end of its lifetime, the brightness may drop significantly, it may flash repeatedly, or the light may turn a reddish color.

Diagnosis Procedure

1.CHECK XENON BULB

Install a known good bulb to the applicable headlamp. Check that the headlamp operates.

2.CHECK HID CONTROL UNIT

Install a known good HID control unit to the applicable headlamp. Check that the headlamp operates.

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