2000 DODGE NEON ECU

FOG LAMP
FOG LAMP DIAGNOSIS
CONDITION POSSIBLE CAUSES CORRECTION
FOG LAMPS ARE
DIM WITH ENGINE
IDLING OR
IGNITION TURNED
OFF.1. Loose or corroded battery cables. 1. Clean and secure battery cable clamps
and posts.
2. Loose or worn generator drive belt. 2. Adjust or replace generator drive belt.
3. Charging system output too low. 3. Test and repair charging system. Refer to
Group 8A,
4. Battery has insufficient charge. 4. Test battery state-of -charge. Refer to
Group 8A.
5. Battery is sulfated or shorted. 5. Load test battery. Refer to Group 8A.
6. Poor lighting circuit Z1-ground. 6. Test for voltage drop across Z1-ground
locations. Refer to Group 8W.
FOG LAMP BULBS
BURN OUT
FREQUENTLY1. Charging system output too high. 1. Test and repair charging system. Refer to
Group 8A.
2. Loose or corroded terminals or splices in
circuit.2. Inspect and repair all connectors and
splices. Refer to Group 8W.
FOG LAMPS ARE
DIM WITH ENGINE
RUNNING ABOVE
IDLE1. Charging system output too low. 1. Test and repair charging system. Refer to
Group 8A.
2. Poor lighting circuit Z1-ground. 2. Test for voltage drop across Z1-ground
locations. Refer to Group 8W.
3. High resistance in fog lamp circuit. 3. Test amperage draw of fog lamp circuit.
FOG LAMPS
FLASH RANDOMLY1. Poor lighting circuit Z1-ground. 1. Test for voltage drop across Z1-ground
locations. Refer to Group 8W.
2. High resistance in fog lamp circuit. 2. Test amperage draw of fog lamp circuit.
3. Faulty fog lamp switch. 3. Replace fog lamp switch.
4. Loose or corroded terminals or splices in
circuit.4. Inspect and repair all connectors and
splices. Refer to Group 8W.
FOG LAMPS DO
NOT ILLUMINATE1. Blown fuse for fog lamp. 1. Replace fuse. Refer to Group 8W.
2. No Z1-ground at fog lamps. 2. Repair circuit ground. Refer to Group
8W.
3. Faulty fog lamp switch. 3. Replace fog lamp switch.
4. Broken connector terminal or wire splice
in fog lamp circuit.4. Repair connector terminal or wire splice.
5. Defective or burned out bulb. 5. Replace bulb.
PLLAMPS 8L - 3
DIAGNOSIS AND TESTING (Continued)

BULB APPLICATION
TABLE OF CONTENTS
page page
SPECIFICATIONS
EXTERIOR LAMPS........................17INTERIOR LAMPS........................17
SPECIFICATIONS
EXTERIOR LAMPS
CAUTION: Do not use bulbs that have a higher can-
dle power than the bulb listed in the chart below.
Damage to lamp can result. Do not touch halogen
bulbs with fingers or other oily surfaces. Bulb life
will be reduced.
LAMP BULB
Back Up Lamp................3157 ± P27/7W
Center High Mounted Stop Lamp
(CHMSL).........................W16W
Front Fog Lamp..................... GE881
Front Park/Turn Signal Lamp..........3157NA
Front Side Marker Lamp................. 168
Headlamp............................9007
License Plate Lamp..................... 168
Rear Tail/Stop/
Turn Signal Lamp............3157 ± P27/7W
INTERIOR LAMPS
Service procedures for most of the lamps in the
instrument panel, Instrument cluster and switches
are located in Group 8E, Instrument Panel and
Gauges.
CAUTION: Do not use bulbs that have a higher can-
dle power than the bulb listed in the chart below.
Damage to lamp can result.LAMP BULB
ABS Indicator......................... LED
Airbag Indicator....................... LED
Brake System Warning Indicator.......... LED
Climate Controls....................... LED
Console Gear Selector W/Auto...........PC194
Dome Lamp..........................T579
Floor Console Lamp..................... T37
Front Fog Lamp Indicator................ LED
Glove Compartment....................T194
High Beam Lamp Indicator.............PC194
Ignition Lock........................... 161
Instrument Cluster Illumination.........PC194
Low Fuel Indicator..................... LED
Low Oil Pressure Indicator............... LED
Rear Cargo...........................T906
Seat Belt Indicator..................... LED
Security Alarm Indicator................. LED
Malfunction Indicator Light.............. LED
TRAC OFF Indicator.................... LED
Turn Signal Indicator..................PC194
Underhood............................ 105
Visor Vanity........................6501966
Voltage Indicator....................... LED
All the inside bulbs brass or glass wedge base. Alu-
minum base bulbs are not approved and should not
be used for replacement.
PLLAMPS 8L - 17

(2) Install the front position lamp socket in the
headlamp module (Fig. 6).
(3) Install the protective rubber boot in its original
position.
(4) Install the headlamp module in the vehicle.
Refer to the Headlamp Module removal and installa-
tion procedure in this group.
FRONT FOG LAMP BULB
REMOVAL
(1) Raise the vehicle on a hoist or position a
creeper under the front of the vehicle.
(2) Remove the front air dam retaining fasteners
and remove the air dam from the vehicle.
(3) Disconnect the fog lamp electrical connector by
reaching between the front fascia and the lower clo-
sure panel.
(4) Rotate the fog lamp bulb one-quarter turn and
pull straight from the lamp assembly.
INSTALLATION
(1) Install the fog lamp bulb in the lamp assembly.
(2) Connect the fog lamp electrical connector.
(3) Verify lamp operation.
(4) Install the front air dam and retaining fasten-
ers.
HEADLAMP BULB
REMOVAL
(1) Remove the appropriate headlamp module from
the vehicle. Refer to the Headlamp Module removal
and installation procedure in this group.
(2) Pull back the protective rubber boot from the
headlamp module (Fig. 7).
(3) Depress and slide the headlamp bulb retaining
clip to the side to unlock the headlamp bulb from the
headlamp module (Fig. 7).
(4) Pull the headlamp bulb straight from the mod-
ule (Fig. 8).
INSTALLATION
CAUTION: Do not touch the glass of the halogen
bulb with fingers or other possibly oily surfaces,
reduced bulb life will result.
(1) Install the headlamp bulb in the headlamp
module (Fig. 9) and secure in place with the metal
retaining clip (Fig. 10).
(2) Install the protective rubber boot in its original
position (Fig. 10).
(3) Install the headlamp module in the vehicle.
Refer to the Headlamp Module removal and installa-
tion procedure in this group.
Fig. 6 Front Position Lamp
1 ± HEADLAMP BULB
2 ± FRONT POSITION LAMP SOCKET
Fig. 7 Headlamp Bulb
1 ± HEADLAMP BULB RETAINING CLIP
2 ± HEADLAMP BULB
3 ± PROTECTIVE BOOT
4 ± HEADLAMP MODULE
8L - 6 LAMPSPL
REMOVAL AND INSTALLATION (Continued)

(4) Push the rear fog lamp assembly into the
bumper cover and install the (2) retaining screws
(Fig. 16).
SIDE REPEATER LAMP BULB
REMOVAL
(1) Remove the screws and pushpins securing the
appropriate front wheel splash shield. Reach between
the fender and splash shield to access the rear of the
side repeater lamp. Depress the top and bottom
retaining tabs to release the lamp from the fender
(Fig. 17).
(2) Rotate the side repeater lamp socket clockwise
and remove the lamp from the lamp housing
(Fig. 18).
(3) Pull the lamp bulb from the lamp socket.
Fig. 15 Rear Fog Lamp
1 ± REAR FOG LAMP
2 ± REAR FOG LAMP SOCKET
Fig. 16 Rear Fog Lamps
1 ± REAR FOG LAMPS
2 ± LAMP RETAINING SCREWS
Fig. 17 Side Repeater Lamp Retaining Tabs
1 ± RETAINING TABS
2 ± REPEATER LAMP
3 ± FENDER
Fig. 18 Side Repeater Lamp Socket
1 ± BULB SOCKET
2 ± REPEATER LAMP
PLLAMPS 8L - 9
REMOVAL AND INSTALLATION (Continued)

INSTALLATION
(1) Install the side repeater lamp bulb in its
socket.
(2) Verify lamp operation.
(3) Install the lamp socket in the lamp housing
(Fig. 19).
(4) Install the lamp in the front fender. Install the
bottom mounting tab first then push lamp straight in
to secure in fender (Fig. 20).
(5) Install the front wheel splash shield retaining
pushpins and screws.
TAIL, STOP, BACK-UP AND TURN SIGNAL
LAMP BULBS
REMOVAL
(1) Open the trunklid and clear area by the rear
closure panel.
(2) Remove the pushpin and pull back the trunk
trim.
(3) Remove the (3) plastic retaining nuts and pull
the lamp assembly away from the vehicle (Fig. 21).
(4) Rotate the appropriate lamp socket and pull
straight out of the tail lamp assembly.
(5) Pull the lamp bulb straight from its socket.
Fig. 19 Side Repeater Lamp Socket
1 ± BULB SOCKET
2 ± REPEATER LAMP
Fig. 20 Side Repeater Lamp Retaining Tabs
1 ± RETAINING TABS
2 ± REPEATER LAMP
3 ± FENDER
Fig. 21 Tail Lamp Assembly
1 ± TAIL LAMP ELECTRICAL CONNECTOR
2 ± TAIL LAMP RETAINING NUTS
8L - 10 LAMPSPL
REMOVAL AND INSTALLATION (Continued)

(4) Gently pull the outboard side of the headlamp
module straight out to disengage the locating pin in
the headlamp housing from the fender.
(5) While holding the front fascia away from the
front closure panel, gently pull the headlamp modulestraight out far enough to access the electrical con-
nections (Fig. 4).
(6) Disconnect the headlamp bulb, front turn sig-
nal lamp bulb, and the 4-way electrical connector
located at the bottom of the headlamp module.
NOTE: The turn signal and 4-way electrical connec-
tors have a primary and secondary latch system.
(7) While holding the front fascia away from the
front closure panel, remove the headlamp module
from the vehicle (Fig. 4).
INSTALLATION
(1) While holding the front fascia away from the
front closure panel, position the headlamp module
and restore the electrical connections.
(2) While holding the front fascia away from the
front closure panel, insert the inboard side of the
headlamp module behind the fascia. Position the
headlamp locating pin into the slotted hole in the
fender.
(3) Install the (2) headlamp module retaining
screws (Fig. 5). Torque the bolts to 4.5 N´m (40 in.
lbs.).
NOTE: The outboard headlamp module retaining
screw must pass through the hole in the bottom of
the headlamp housing to properly secure the head-
lamp module.
(4) Install the upper front fascia retaining screw
(Fig. 5).
(5) Connect the negative battery cable.
Fig. 2 Center High Mounted Stop Lamp
1 ± C. H. M. S. L. LAMP RETAINING NUTS
2 ± C. H. M. S. L. LAMP ELECTRICAL CONNECTOR
3 ± TRUNK LID
4 ± C. H. M. S. L. LAMP
Fig. 3 Headlamp Module Retaining Bolts
1 ± HEADLAMP MODULE RETAINING SCREWS
2 ± FASCIA RETAINING SCREW
Fig. 4 Removing Headlamp Module
PLLAMPS 8L - 13
REMOVAL AND INSTALLATION (Continued)

HEADLAMP LEVELING MOTOR
REMOVAL
(1) Remove the appropriate headlamp module from
the vehicle. Refer to the HEADLAMP MODULE
removal and installation procedure in this group.(2) Disconnect the headlamp leveling motor electri-
cal connector (Fig. 6). Depress the steel retaining clip
while pulling the connector from the motor.
(3) Rotate the headlamp leveling motor and pull it
straight out of the headlamp module (Fig. 6). Signif-
icant force will be required to unsnap the ball and
socket connection between the headlamp leveling
motor and the headlamp assembly.
INSTALLATION
(1) Install the headlamp leveling motor in the
headlamp module. Push the headlamp leveling motor
pushrod straight into its mating socket while holding
the headlamp in the fully retracted position. This
will prevent the headlamp assembly from moving
while the ball and socket connection is restored.
Assistance from another person may simplify this
procedure.
(2) Once the ball and socket connection is secured,
push and rotate the headlamp leveling motor into the
headlamp module to lock in place (Fig. 7).
(3) Connect the headlamp leveling motor electrical
connector by pushing it straight on (Fig. 7).
(4) Install the headlamp module in the vehicle.
Refer to the HEADLAMP MODULE removal and
installation procedure in this group.
Fig. 5 Headlamp Module Retaining Bolts
1 ± HEADLAMP MODULE RETAINING SCREWS
2 ± FASCIA RETAINING SCREW
Fig. 6 Headlamp Leveling Motor
1 ± HEADLAMP LEVELING MOTOR ELECTRICAL CONNECTOR
2 ± RETAINING CLIP
3 ± HEADLAMP LEVELING MOTOR
4 ± HEADLAMP MODULE
Fig. 7 Headlamp Leveling Motor
1 ± HEADLAMP LEVELING MOTOR ELECTRICAL CONNECTOR
2 ± RETAINING CLIP
3 ± HEADLAMP LEVELING MOTOR
4 ± HEADLAMP MODULE
8L - 14 LAMPSPL
REMOVAL AND INSTALLATION (Continued)

SIDE REPEATER LAMP
REMOVAL
(1) Remove the screws and pushpins securing the
appropriate front wheel splash shield. Reach between
the fender and splash shield to access the rear of the
side repeater lamp. Depress the top and bottom
mounting tabs to release the lamp from the fender
(Fig. 14).
(2) Rotate the side repeater lamp socket clockwise
and remove the lamp from the lamp housing (Fig.
15).
INSTALLATION
(1) Install the lamp socket in the lamp housing
(Fig. 16).
(2) Install the lamp in the front fender. Install the
bottom mounting tab first then push lamp straight in
to secure in fender (Fig. 17).
(3) Install the front wheel splash shield retaining
pushpins and screws.
Fig. 14 Side Repeater Lamp Retaining Tabs
1 ± RETAINING TABS
2 ± REPEATER LAMP
3 ± FENDER
Fig. 15 Side Repeater Lamp Socket
1 ± BULB SOCKET
2 ± REPEATER LAMP
Fig. 16 Side Repeater Lamp Socket
1 ± BULB SOCKET
2 ± REPEATER LAMP
Fig. 17 Side Repeater Lamp Retaining Tabs
1 ± RETAINING TABS
2 ± REPEATER LAMP
3 ± FENDER
PLLAMPS 8L - 17
REMOVAL AND INSTALLATION (Continued)