Headlights/front parking lights/turn signal lights (Honda Civic 5)

Replacement

Caution: Halogen headlights become very hot, so do not touch them or their connecting parts immediately after switching them off.

1. Remove the front bumper.

2. Remove the mounting bolts.

3. Disconnect each connector, then the headlight/parking signal lamp/turn signal lamp assembly.



4. Install the headlight in the reverse order of removal.

5. Adjust the headlights to local requirements by turning the regulator.

Note: Since the outer lenses are made of polycarbonate with acrylic coating material, do not cover the headlights when they are on

Checking the headlight controller input signal (European, KV models)

Note: Before you start checking, please check:

• Is fuse #24 (7.5 A) in the under-panel fuse and relay box blown?
• Are the contacts bent, loose or corroded?.

1. Disconnect the ZK connectors from each headlight regulator unit.

Note: If necessary, remove the headlight.

2. Check the conductivity between contact #3 and the body. There should be conductivity.

If there is no conductivity, check:

• Break in BLK wire.
• Poor grounding (G551, G552).
• If there is conductivity, proceed to step 3.

3. Measure the voltage between contact #1 and the body with the ignition switch ON(II). There should be battery voltage.

• If there is no voltage, check for a break in the GRN/ORN wire.
• If battery voltage is present, proceed to step 4.

4. Using an ohmmeter, measure the resistance between terminal #2 and the body with the headlight control switch in the "0" position. The resistance should be approximately 480 ohms.

• If the resistance is out of specification, check:

- Break in the BLU/YEL wire

- The headlight dimmer switch is faulty.

• If the resistance is within specification, proceed to step 5.

5. If all checks are positive and the headlamp adjuster assembly does not work, check to see if the headlamp adjuster assembly is frozen, sticking, or improperly installed. If the mechanical checks are positive, replace the headlamp adjuster assembly.



6. After installation, check the system again.

Checking the headlight dimmer switch

1. Carefully pull the switch out of the rear console.

2. Disconnect the 5K connector from the switch.



3. Measure the resistance between contacts No.1 and No.3 and then measure the resistance between contacts No.3 and No.5 in positions 0,1,2,3 by turning the knob.

Between #1 and #3 approximately 4.7 kOhm

Between #3 and #5:



4. Replace the switch if the resistance is out of specification.

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