Hyundai Elantra (CN7): Emission Control System
- Description and operation
- Components and components location
- Troubleshooting
- Specifications
- Schematic diagrams
- Evaporative Emission Control System
- Exhaust Emission Control System
Repair procedures Inspection1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuse box cover.3.Remove the starter relay (A).
DescriptionEmissions Control System consists of three major systems.• Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures
Diagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data s
Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil
Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
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