Nissan 240sx S13 Headlight Doors

Nissan 240sx S13



CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle.

NOTE: The following table describes the basic operation of the headlight doors

HEADLIGHT DOOR BASIC OPERATION

• Lighting Switch Condition
  • OFF-1ST
    • Retractor Switch Condition: OFF
    • Headlamp Motor Operation: No operation.
    • Headlamps Operation: OFF
  • 1ST-2ND
    • Retractor Switch Condition: OFF
    • Headlamp Motor Operation: Open. See Fig. 1 .
    • Headlamps Operation: ON after headlamp motor reaches fully open position. See Fig. 2 .
  • 2ND-1ST
    • Retractor Switch Condition: OFF
    • Headlamp Motor Operation: Held to open position.
    • Headlamps Operation: OFF
  • 1ST-OFF
    • Retractor Switch Condition: OFF
    • Headlamp Motor Operation: Closed. See Fig. 3 .
    • Headlamps Operation: OFF
  • Momentarily turned to PASSING
    • Retractor Switch Condition: OFF
    • Headlamp Motor Operation: Opened and closed after headlamps go off. See Fig. 4 .
    • Headlamps Operation: Momentarily ON after headlamp motor reaches fully open position, and go off. See Fig. 5 .
  • OFF
    • Retractor Switch Condition: ON
    • Headlamp Motor Operation: Open. See Fig. 6 .
    • Headlamps Operation: OFF

Fig. 1: Identifying Headlamp Circuit Operation (1 of 6)

Fig. 2: Identifying Headlamp Circuit Operation (2 of 6)

Fig. 3: Identifying Headlamp Circuit Operation (3 of 6)

Fig. 4: Identifying Headlamp Circuit Operation (4 of 6)

Fig. 5: Identifying Headlamp Circuit Operation (5 of 6)

Fig. 6: Identifying Headlamp Circuit Operation (6 of 6)

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COMPONENT LOCATIONS

• Body Grounds (M57 and M116)
  • Location: In Passenger Side Engine Compartment, Under Passenger Right Dash and Under Driver's Door Panel.See Fig. 7 and Fig. 8 .
• Body Grounds (E24 and E41)
  • Location: In Engine Compartment. See Fig. 9 .
• Diodes (M42)
  • Location: In Center Dash. See Fig. 7 .
• Fuse Block
  • Location: Behind Driver's Door Panel.See Fig. 12 .
• Fusible Link
  • Location: In Fuse Box In Passenger's Side Of Engine Compartment Behind Battery.
• Headlamp Motor
  • Location: Connected To Side Of Headlamp Bracket.See Fig. 11 .
• Headlamp Timer
  • Location: Behind Driver's Door Panel.See Fig. 12 .
• Lighting Switch
  • Location: On Left Side Of Steering Column.
• Retractable Headlight Switch
  • Location: On Instrument Panel, Right Of Driver's Left AC Vent.See Fig. 13 .
• Retractable Relays
  • Location: In Fuse Block On Passenger's Side Of Engine Compartment and In Relay Box At Driver's Front Engine Compartment. See Fig. 10 .
• Super Multiple Junction (SMJ)
  • Location: Above Fuse Block Behind Driver's Door Panel.

Fig. 7: Locating Headlamp Body Grounds (1 of 3)

Fig. 8: Locating Headlamp Body Grounds (2 of 3)

Fig. 9: Locating Headlamp Body Grounds (3 of 3)

Fig. 10: Locating Headlamp Engine Compartment Components

Fig. 11: Exploded View of Headlamp Assembly

Fig. 12: Locating Headlamp Passenger Compartment Components

Fig. 13: Locating Retractable Headlight Switch

ADJUSTMENTS

AIMING

CAUTION: Keep all tires inflated to correct pressures. Place vehicle and tester on one same flat surface. Make sure there is no load in vehicle (coolant, engine oil filled to correct level and full fuel tank) other than driver (or equivalent weight placed in driver's position).

NOTE: When performing headlamp aiming adjustment, use aiming machine, aiming wall screen or headlamp tester. For operating instructions of any aimer, it should be in good repair, calibrated and used according to units respective operation manuals.

NOTE: When using a mechanical aimer, adjust adapter legs to the data marked on the headlamps. See Fig. 14 .

Adjustment
1. Adjust headlamps so that upper edge and left edge of high intensity zone are within the acceptable range. See Fig. 15 and Fig. 16 .
2. Dotted lines show center of headlamp. See Fig. 15 and Fig. 16 .

Fig. 14: Identifying Aimer Adjustment Mark

Fig. 15: Adjusting Aiming

Fig. 16: Adjusting Aiming Screws

LID ALIGNMENT

Adjustment
Adjust lid, hood and fender for alignment while opening and closing headlamp with motor manual knob. Check that lid is flush and not interfering with hood. See Fig. 17 , Fig. 18 and Fig. 19 .

Fig. 17: Adjusting Motor Manual Knob

Fig. 18: Locating Lid Adjustment Bolts

Fig. 19: Adjusting Lid To Flush

RIGHT-LEFT ALIGNMENT

WARNING: Before adjusting right-left alignment, disconnect battery ground cable.

Adjustment
Determine headlamp bracket location on body so alignment between lid, hood and fender is straight. See Fig. 20 .

Fig. 20: Measuring Lid Alignment

STOPPER

Adjustment
1. Loosen lock nut on stopper.
2. Turn motor manual knob to open headlamp assembly completely. See Fig. 17 .
3. Adjust stopper screw. See Fig. 21 .

Fig. 21: Adjusting Stopper Screw

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COMPONENT TESTS

HEADLAMP MOTOR

1. Disconnect battery ground cable.
2. Disconnect the headlamp motor connector. See Fig. 22 .
3. Use an ohmmeter to check for continuity in headlamp motor circuit while rotating motor with manual knob. See Fig. 17 and Fig. 23 .

Fig. 22: Locating Headlamp Motor Connector

Fig. 23: Identifying Headlamp Motor Circuit

Fig. 24: Testing Lighting Switch

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REMOVAL AND INSTALLATION

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle.

HEADLAMP

Removal and Installation
1. To remove headlamp, see Fig. 11 .
2. Assemble headlamp motor, ball joint and link A (as one unit) on headlamp bracket.
3. Assemble link A's, while turning link B ball joint on headlamp housings ball joint. See Fig. 25 .
4. Set distance between centers of upper and lower ball joints and tighten lock nuts. See Fig. 26 .

Fig. 25: Installing Link B

Fig. 26: Measuring Link B

5. Assemble headlamp, finisher and lid.
6. Assemble headlamp rubber cap. See Fig. 27 and Fig. 28 .

Fig. 27: Locating Headlamp Rubber Cap

Fig. 28: Installing Headlamp Rubber Cap

7. Install headlamp bracket to body temporarily and check right-left alignment. Remove lid and tighten headlamp bracket securely to body.
8. Adjust lid alignment.
9. Adjust stopper.

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WIRING DIAGRAMS

Fig. 29: Headlamp Wiring Diagram (1989)

Fig. 30: Headlamp Wiring Diagram (1990-94)




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Nissan 240sx S13

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