DTC P0126 Insufficient Engine Coolant Temperature For Stable Operation
WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault
- GENERAL DESCRIPTION < Ref. to DTC P0126 INSUFFICIENT ENGINE COOLANT TEMPERATURE FOR STABLE OPERATION , Diagnostic Trouble Code (DTC) Detecting Criteria. >
TROUBLE SYMPTOM:
- Hard to start
- Erroneous idling
- Poor driving performance
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode < Ref. to
, OPERATION , Clear Memory Mode.> and Inspection Mode < Ref. to
, PROCEDURE , Inspection Mode.>.
WIRING DIAGRAM:
DIAGNOSTIC PROCEDURE (DTC P0126)
| Step | Check | Yes | No | |
|---|---|---|---|---|
| 1 CHECK FOR ANY OTHER DTC ON DISPLAY. |
Is any other DTC displayed? | Inspect the relevant DTC using "List of Diagnostic Trouble Code (DTC)". < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Go to step 2. | |
| 2 CHECK ENGINE COOLANT TEMPERATURE SENSOR. Measure the resistance between engine coolant temperature sensor terminals when engine coolant is cold and after warmed-up. Terminals No. 1 - No. 2: |
Is the resistance of engine coolant temperature sensor different between when engine coolant is cold and after warmed-up? | Contact your SOA Service Center. | Replace the engine coolant temperature sensor. < Ref. to ENGINE COOLANT TEMPERATURE SENSOR . > | |