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:
Erasing HomeLink® buttons
Individual buttons cannot be erased. However, to erase all three programmed buttons:
1. Press and hold the two outer HomeLink® buttons until the indicator light begins
to flash-after 20 seconds.
2 ...
Front Seat Shield Outer Cover Repair procedures
Replacement
[Front Seat Front Shield Outer Cover]
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver, wrap it ...
System operation
Ventilation
1. Set the mode to the position.
2. Set the air intake control to the outside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed contro ...
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Hyundai Equus Manuals
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