Kia Niro: Engine Electrical System / Troubleshooting
Kia Niro 2017 (DE HEV) Service Manual / Engine Electrical System / Troubleshooting
| Trouble Shooting |
Ignition System
|
Symptom |
Suspect area |
Remedy |
|
Vehicle indicates Ready in dash, but engine will not run when requested
by the HPCU (HEV module). |
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 |
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 Start/Stop Button "ON" and
Hybrid System off. |
Fuse blown |
Check fuses |
|
Light burned out |
Replace light |
|
|
Wiring connection loose |
Tighten loose connection |
|
|
LDC problem |
Check the LDC. Refer to HC group |
|
|
Charging warning indicator does not go out with Hybrid System on. (Battery
requires frequent recharging) |
Battery cable loose, corroded or worn |
Inspect cable connection, repair or replace cable |
|
LDC problem |
Check the LDC. Refer to HC group |
|
|
Wiring |
Repair or replace wiring |
|
|
Overcharge |
LDC problem |
Check the LDC. Refer to HC group |
|
Voltage sensing wire |
Repair or replace wiring |
|
|
Discharge |
Wiring connection loose or short circuit |
Inspect wiring connection, repair or replace wiring |
|
LDC problem |
Check the LDC. Refer to HC group |
|
|
Poor grounding |
Inspect ground or repair |
|
|
Worn battery |
Replace battery |
|
|
Abnormal parasitic draw from the vehicle |
Install a current probe to measure current. It should be less than 0.05A
(50mA) after Hybrid System off and waiting 10 minutes. Make sure trunk light
is removed for this test. |
Starting System
|
Symptom |
Suspect area |
Remedy |
|
Vehicle will not indicate Ready in dash at Hybrid System on. |
Auxiliary 12V battery charge low |
Charge or replace auxiliary 12V battery |
|
Auxiliary 12V 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 |
|
|
Ignition switch faulty |
Replace |
Special service tools
Special Service Tools
Tool Name / Number
Illustration
Description
Digital Level [SCC Setting JIG]
OK964 - 3T000
...
Other information:
Kia Niro 2017 (DE HEV) Service Manual: CVVT (Continuous Variable Valve Timing) System Schematic diagrams
Circuit Diagram
Variable Force Solenoind (VFS) [Bank
1 / Intake]
Harness Connector
CVVT Oil Control Valve (OCV) [Bank
1 / Exhaust]
Harness Connector
...
Kia Niro (DE HEV) Owners Manual: Phone
Select the [SETUP] button on the audio system ➟ Select [Phone].
Connections: Control pairing, deletion, connection and disconnection of
Bluetooth® devices.
Auto connection priority(Auto Connection Priority): Set the connection priority
of Bluetooth® devices when the vehicle is starte ...
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