Hyundai Equus: Troubleshooting
| Troubleshooting |
| Ignition System |
| Symptom | Suspect Area | Remedy |
| Engine will not start or is hard to start (Cranks OK) | Ignition lock switch | Inspect ignition lock switch, or replace as required |
| Ignition coil | Inspect ignition coil, or replace as required | |
| Spark plugs | Inspect spark plugs, or replace as required | |
| Ignition wiring disconnected or broken | Repair wiring, or replace as required | |
| Rough idle or stalls | Ignition wiring | Repair wiring, or replace as required |
| Ignition coil | Inspect ignition coil, or replace as required | |
| Engine hesitates/poor acceleration | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
| Ignition wiring | Repair wiring, or replace as required | |
| Poor mileage | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
| Charging System |
| Symptom | Suspect Area | Remedy |
| Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
| Light burned out | Replace light | |
| Wiring connection loose | Tighten loose connection | |
| Electronic voltage regulator | If light turns off, replace voltage regulator. | |
| Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
| Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
| Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
| Wiring | Repair or replace wiring | |
| Overcharge | Electronic voltage regulator | If light turns off, replace voltage regulator. |
| Voltage sensing wire | Repair or replace wiring | |
| Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
| Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
| Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
| Poor grounding | Inspect ground or repair | |
| Worn battery | Replace battery |
| Starting System |
| Symptom | Suspect Area | Remedy |
| Engine will not crank | Battery charge low | Charge or replace battery |
| Battery cables loose, corroded or worn out | Repair or replace cables | |
| Transaxle range switch (Vehicle with automatic transaxle only) | Refer to AT group-automatic transaxle | |
| Fuse blown | Replace fuse | |
| Starter motor faulty | Replace | |
| Ignition switch faulty | Replace | |
| Engine cranks slowly | Battery charge low | Charge or replace battery |
| Battery cables loose, corroded or worn out | Repair or replace cables | |
| Starter motor faulty | Replace | |
| Starter keeps running | Starter motor faulty | Replace |
| Ignition switch | Replace | |
| Starter spins but engine will not crank | Short in wiring | Repair or replace wiring |
| Pinion gear teeth broken or starter motor | Replace | |
| Ring gear teeth broken | Replace fly wheel or torque converter |
Specifications
Specification
Ignition System
Ignition Coil
ItemSpecification Primary Coil Resistance (x)0.62 ± 10% [20°C (68°F)]Secondary Coil Resistance (kx)7.0 ± 15% [20°C (68°F)]
Spark Plug
ItemS ...
General Information
The Micro 570 Analyzer
The Micro 570 Analyzer provides the ability to test the
charging and starting systems, including the battery, starter and
alternator.
x Because of ...
See also:
ESP Control Unit Components and Components Location
Components
[Standard]
1. Front-right tube2. Rear-left tube3. Rear-right tube4. Front-left tube5. MC26. MC17. ESP control module connector8. ESP control module(HECU)9. ESP HECU bracket
[Premiu ...
Hood Latch Repair procedures
Replacement
1.
Remove the hood latch cover (A) mounting clip.
(Refer to Engine Mechanical System - "Active Air Flap(AAF)")
2.
Loosen the hood latch (B) mounting bolts.
Tightening torque : ...
Catalytic Converter Description and Operation
Description
The catalytic converter of the gasoline engine is a three way
catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and
separates oxygen from the oxides of nitrogen (NOx).
T ...
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Hyundai Equus Manuals
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