DISCHARGE HEADLIGHT SYSTEM INSPECTION
id091800805400
Terminal layout
ac5wzw00000460
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Inspection procedure
Step |
Inspection |
Action |
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1
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INSPECT RELAY
• Disconnect the negative battery cable.
• Remove the following relays:
(See RELAY LOCATION.)
• Inspect the relays.
(See RELAY INSPECTION.)
• Are the relays normal?
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Yes
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Install the relays, then go to the next step.
(See RELAY LOCATION.)
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No
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Replace the relay.
(See RELAY LOCATION.)
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2
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INSPECT LIGHT SWITCH
• Inspect the light switch.
(See LIGHT SWITCH INSPECTION.)
• Is the light switch normal?
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Yes
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Go to the next step.
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No
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Replace the light switch.
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3
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INSPECT DISCHARGE HEADLIGHT CONTROL MODULE CONNECTOR
• Disconnect the discharge headlight control module connector.
• Inspect the connector connection, connection condition or the terminal and verify that there is no damage, deformation, corrosion, or disconnection.
• Is the connector normal?
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Yes
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Go to the next step.
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No
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Repair or replace the connector.
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4
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INSPECT DISCHARGE HEADLIGHT CONTROL MODULE FOR OPEN CIRCUIT TO GROUND CIRCUIT
• Verify that the discharge headlight control module is disconnected.
• Inspect the wiring harness between discharge headlight control module B (wiring harness-side) and ground.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for an open circuit.
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5
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INSPECT DISCHARGE HEADLIGHT CONTROL MODULE POWER SUPPLY CIRCUIT
• Verify that the discharge headlight control module connector is disconnected.
• Reconnect the negative battery cable.
• Turn the light switch to the HEAD position.
• Measure the voltage at discharge headlight control module terminal A (wiring harness-side).
• Is the voltage B+?
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Yes
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Turn the light switch to the OFF position, then go to the next step.
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No
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Inspect the HID L 15 A fuse and HID R 15 A fuse.
• If a fuse is burnt out:
• If a fuse is burnt out:
• If the fuse is normal:
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6
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VERIFY IF HEADLIGHT HI/LO BULB IS BAD OR DISCHARGE HEADLIGHT CONTROL MODULE IS MALFUNCTIONING
• Disconnect the negative battery cable.
• Install a normal headlight HI/LO bulb.
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Turn the light switch to the HEAD position.
• Do the headlights LO illuminate?
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Yes
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Replace the headlight HI/LO bulb.
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No
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Replace the discharge headlight control module.
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