Dodge Neon / Neon SRT-4. Manual — part 478

TEST

ACTION

APPLICABILITY

5

Turn the ignition off.
Check Circuit Breaker 2
Is Circuit Breaker 2 open?

All

Yes

→ Replace the open Fuse.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 6

6

Disconnect the Multifunction Switch connector.
Turn the headlamps on.
Measure voltage of the Fused B+ Circuit in the Multifunction Switch connector.
Is the voltage below 1.0 volt.

All

Yes

→ Go To 7

No

→ Repair the Dimmer Switch Low Beam Output Circuit for an open

condition.
Perform BODY VERIFICATION TEST - VER 1.

7

Disconnect the Multifunction Switch connector.
Turn the headlamps on.
Connect a jumper wire between the Dimmer Switch Low Beam Output Circuit and
the Dimmer Switch High Beam Output Circuit in the Multifunction Switch connec-
tor.
Did the High Beam Headlamps come on?

All

Yes

→ Replace the Instrument cluster.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Multifunction Switch.

Perform BODY VERIFICATION TEST - VER 1.

134

EXTERIOR LIGHTING

*HIGH BEAM HEADLAMPS WILL NOT TRN ON —

Continued

Symptom:

*HIGH BEAM HEADLAMPS WILL NOT TURN OFF

POSSIBLE CAUSES

DIMMER SWITCH HIGH BEAM OUTPUT CIRCUIT SHORT TO VOLTAGE

INSTRUMENT CLUSTER

MULTIFUNCTION SWITCH

TEST

ACTION

APPLICABILITY

1

Remove Circuit Breaker 2 from the Fuse Block.
Do the High Beam Headlamps turn off?

All

Yes

→ Go To 2

No

→ Repair the Dimmer Switch High Beam Output Circuit for a short

to voltage condition.
Perform BODY VERIFICATION TEST - VER 1.

2

Disconnect the Instrument Cluster connector.
Disconnect the Multifunction Switch connector.
Measure resistance of the Dimmer Switch High Beam Output Circuit to ground.
Is the resistance below 5.0 ohms?

All

Yes

→ Replace the Instrument Cluster.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Multifunction Switch.

Perform BODY VERIFICATION TEST - VER 1.

135

EXTERIOR LIGHTING

Symptom:

*LOW BEAM HEADLAMPS WILL NOT TURN OFF

POSSIBLE CAUSES

MULTIFUNCTION SWITCH

DIMMER SWITCH LOW BEAM OUTPUT CIRCUIT SHORT TO VOLTAGE

FUSE BLOCK

INSTRUMENT CLUSTER

TEST

ACTION

APPLICABILITY

1

Turn the headlamp switch to the off position.
With the DRBIII

t, read the Headlamp Switch Voltage.

Does the DRBIII

t display Headlamp Switch Voltage between 4.3 and 4.8 Volts?

All

Yes

→ Go To 2

No

→ Replace the Multifunction Switch.

Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the Instrument Cluster.
Turn the ignition on.
Measure voltage of the Dimmer Switch Low Beam Output Circuit.
Is the voltage below 1.0 volt?

All

Yes

→ Go To 3

No

→ Repair the Dimmer Switch Low Beam Output Circuit for a short

to voltage condition.
Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Remove Circuit Breaker 2 from the Junction Block.
Disconnect the Instrument Cluster harness connector.
Measure resistance of the Dimmer Switch Low Beam Output Circuit and ground.
Is the resistance below 100.0 ohms?

All

Yes

→ Replace the Fuse Block.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Instrument Cluster.

Perform BODY VERIFICATION TEST - VER 1.

136

EXTERIOR LIGHTING

Symptom:

*LOW BEAM HEADLAMPS WILL NOT TRN ON

POSSIBLE CAUSES

MULTIFUNCTION SWITCH

FUSE BLOCK

DIMMER SWITCH LOW BEAM OUTPUT CIRCUIT OPEN

INSTRUMENT CLUSTER

OPEN FUSED B+ TO FUSE BLOCK

FUSED B+ CIRCUIT SHORT TO GROUND

B+ CIRCUIT BREAKER 2

TEST

ACTION

APPLICABILITY

1

Turn the Headlamps on.
With the DRBIII

t read the Headlamp Switch voltage.

Does the DRBIII

t display Headlamp Switch voltage below 5.0 volts?

All

Yes

→ Go To 2

No

→ Replace the Multifunction Switch.

Perform BODY VERIFICATION TEST - VER 1.

2

Remove Circuit Breaker 2 from the Fuse Block.
Measure voltage of the Fused B+ circuit in the Circuit Breaker connector.
Is the voltage above 10.0 volts?

All

Yes

→ Go To 3

No

→ Replace the Fuse Block.

Perform BODY VERIFICATION TEST - VER 1.

3

Remove Circuit Breaker 2 from the Fuse Block.
Measure voltage of the Fused B+ Circuit in the Circuit Breaker connector.
Is the voltage above 10.0 volts?

All

Yes

→ Go To 4

No

→ Go To 5

4

Disconnect the Multifunction Switch harness connector.
Connect a 12 volt test light between the Dimmer Switch Low Beam Output Circuit
and the Fused B+ Circuit in the Multifunction Switch connector.
Did the test light illuminate brightly?

All

Yes

→ Repair the Dimmer Switch Low Beam Output Circuit for an open

condition.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Instrument Cluster.

Perform BODY VERIFICATION TEST - VER 1.

137

EXTERIOR LIGHTING