Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Plymouth Neon High Line, AutomaticFACTORY OEM SERVICE PROCEDURE
Self-Diagnostic System
NOTE:
Self-diagnostic tests are written specifically for Chrysler's Diagnostic Readout Box (DRBIII®) scan tool. A generic scan tool may not be capable of performing all necessary test functions.
- Perform pretest inspection. See PRETEST INSPECTION under TROUBLE SHOOTING. If pretest inspection procedure has been performed, go to next step.
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). DLC is located on bottom of instrument panel, to left of brake pedal. See Figure. Turn ignition on. Using scan tool, attempt to communicate with all modules. If communication is established with all modules, go to next step. If communication is not established with any module, perform appropriate test under COMMUNICATIONS under SYSTEM TESTS.
- Using scan tool, retrieve Diagnostic Trouble Codes (DTC) from all modules. If any DTCs exist, perform corresponding DTC test(s) under affected system under SYSTEM TESTS . See DIAGNOSTIC TROUBLE CODE IDENTIFICATION table. If no DTCs exist, repair by corresponding symptom test(s) under affected system under SYSTEM TESTS . See SYMPTOM IDENTIFICATION table.
NOTE:
Scan tool messages are listed by system affected and not by module retrieved from. Perform appropriate test under appropriate section under SYSTEM TESTS .
DIAGNOSTIC TROUBLE CODE IDENTIFICATION
SYMPTOM IDENTIFICATION
| Affected System | (1)Test | ||
|---|---|---|---|
| Instrument Cluster | ANY LED INDICATOR FAILS SELF-TEST | ||
| ANY OR ALL GAUGES INOPERATIVE | |||
| CLUSTER ILLUMINATION PROBLEM | |||
| COURTESY LIGHTS ON AT ALL TIMES | |||
| COURTESY LIGHTS TOTALLY INOPERATIVE | |||
| FOGLIGHT INDICATOR INOPERATIVE | |||
| RED BRAKE WARNING INDICATOR NOT OPERATING PROPERLY | |||
| VF DISPLAY FAILS SELF-TEST | |||
| Power Door Locks/RKE | ALL DOOR LOCKS INOPERATIVE | ||
| ALL DOORS (EXC DRIVER) FAIL TO LOCK & UNLOCK | |||
| ALL DOORS (EXCEPT DRIVER) FAIL TO LOCK | |||
| ALL DOORS (EXCEPT DRIVER) FAIL TO UNLOCK | |||
| ALL LOCKS INOPERATIVE FROM DRIVER DOOR LOCK SWITCH | |||
| ALL LOCKS INOPERATIVE FROM PASSENGER DOOR LOCK SWITCH | |||
| AUTOMATIC DOOR LOCK INOPERATIVE | |||
| DECK LID SOLENOID INOPERATIVE | |||
| DOORS LOCKABLE WITH KEY IN IGNITION & DRIVER DOOR OPEN | |||
| DRIVER DOOR FAILS TO LOCK & UNLOCK | |||
| DRIVER DOOR FAILS TO UNLOCK | |||
| LEFT REAR DOOR FAILS TO LOCK & UNLOCK | |||
| PASSENGER DOOR FAILS TO LOCK & UNLOCK | |||
| RIGHT REAR DOOR FAILS TO LOCK & UNLOCK | |||
| RKE TRANSMITTER INOPERATIVE | |||
| Vehicle Theft Security System (VTSS) | HEAD LIGHTS FAIL TO FLASH DURING ALARM | ||
| HORN FAILS TO SOUND DURING ALARM | |||
| OPEN DRIVER DOOR FAILS TO TRIP ALARM | |||
| OPEN PASSENGER DOOR FAILS TO TRIP ALARM | |||
| PARKING LIGHTS FAIL TO FLASH DURING ALARM | |||
| VTSS FAILS TO ARM/DISARM FROM DRIVER CYLINDER LOCK SWITCH | |||
| VTSS FAILS TO ARM/DISARM FROM PASSENGER DOOR CYLINDER LOCK SWITCH | |||
| VTSS INDICATOR FAILS TO FLASH | |||
| VTSS INDICATOR STAYS ON STEADY DURING ARMING | |||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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