HID (High Intensity Discharge) Lamp System Troubleshooting

HID (High Intensity Discharge) Lamp System Troubleshooting

WARNING
A transient high tension (25,000 V) occurs at the bulb sockets or the high intensity discharge (HID) lamps when the combination light switch is turned ON, it may cause serious electrical shock or electrocution if you do not observe the cautions.


CAUTION
- Never turn on the combination light switch before fitting the HID bulbs to their bulb sockets and completing the reassembly of the headlight assembly.

- Do not service the headlights assembly in wet conditions, such as rain or snow, near a sprinkler system, or when your hands are wet to prevent electrocution.

- Do not touch the surface of the HID bulbs with your bare hands and do not stain them with any oils and fats.

- Do not disassemble the inverter unit and the igniter unit.

- Do not turn on the HID bulb by using a power source other than the battery mounted on the vehicle.



Special Tools Required

- HID bulb test light assembly 07AAJ-S3MA100
NOTE: Before troubleshooting the HID Lamp System, perform the multiplex integrated control system troubleshooting using B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

1. Check the No. 1 (15 A) and No. 6 (15 A) fuses in the under-hood fuse/relay box.

Are the fuses OK?
YES - Go to step 2.

NO - Replace the fuse(s), and recheck.


2. Do the battery terminal disconnection procedure. Procedures

3. Remove the bulb socket from the HID bulb. Service and Repair

4. Check for corrosion and traces of electrical arcing on the contacts of the socket (A).

Is the socket corroded or burnt?
YES - Replace the socket, and recheck.

NO - Go to step 5.






5. Connect the HID bulb test light assembly (A) to the bulb socket (B).

6. Do the battery terminal reconnection procedure. Procedures

7. Turn the combination light (headlight) switch ON.

Does the test light bulb come on?
YES - Replace the original HID bulb. Service and Repair

NO - Go to step 8.






8. Turn the combination light (headlight) switch OFF.

9. Do the battery terminal disconnection procedure. Procedures

10. Remove the HID bulb test light assembly from the bulb socket.

11. Disconnect the HID unit 2P connector.

12. Check for continuity between the No. 1 terminal of the HID unit 2P connector and body ground.

Is there continuity?
YES - Faulty HID unit.

NO - Repair open in the wire between the HID unit and body ground. If the wire is OK, check for poor ground.
NOTE: Do the battery terminal reconnection procedure, Procedures and do the steering column position memorization, Programming and Relearning and enter the anti-theft codes for the audio system and the navigation system (if equipped), and set the clock (without navigation).