Hyundai Sonata: Injector. Description and Operation
Description
Based on information from various sensors, the ECM can calculate the fuel
amount to be injected. The fuel injector is a solenoid-operated valve and the
fuel injection amount is controlled by length of injection time. The ECM controls
each injector by grounding the control circuit. When the ECM energizes the injector
by grounding the control circuit, the circuit voltage should be low (theoretically
0V) and the fuel is injected. When the ECM de-energizes the injector by opening
control circuit, the fuel injector is closed and circuit voltage should momentarily
peak, and then settle at system voltage.

Fuel Tank Pressure Sensor (FTPS). Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the FTPS.
Specifica ...
Injector. Specifications
Specification
Item
Specification
Coil Resistance (Ω)
1.18 ~ 1.31 [20°C(68°F)]
...
See also:
Automatic transaxle operation
The automatic transaxle has 6 forward speeds and one reverse speed. The individual
speeds are selected automatically, depending on the position of the shift lever.
To move the shift lever from th ...
Repair procedures - Revised
Fuel Pressure Test
1.
Release the residual pressure in fuel line (Refer to “Release
Residual Pressure in Fuel Line” in this group).
...
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.
...
