Hyundai Equus: Knock Sensor (KS) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Knock Sensor (KS) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Knock Sensor (KS) Description and Operation
| Description |
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piezoelectric element. When a knock
occurs, the sensor produces voltage signal. The ECM retards the ignition
timing when knocking occurs. If the knocking disappears after retarding
the ignition timing, the ECM will advance the ignition timing. This
sequential control can improve engine power, torque and fuel economy.
Camshaft Position Sensor (CMPS) Repair procedures
Inspection
1.
Check the signal waveform of the CMPS and CKPS using the GDS.
Specification: Refer to “Wave Form”
Removal
•
DON’T remove the camshaft pos ...
Knock Sensor (KS) Specifications
Specification
ItemSpecificationCapacitance (pF)950 ~ 1,350
...
See also:
Information Mode
Service Interval
This mode shows the service interval (mileage and days).
❈ For the setting of the service interval, refer to "User Settings Mode" of
the LCD display.
Service in
...
Transmission Control Module (TCM) Description and Operation
Description
Transmission Control Module (TCM) is the automatic
Transmission's brain. The module receives and processes signals from
various sensors and implements a wide range of Transmission ...
Sunvisor Repair procedures
Replacement
•
When prying with a flat-tip screwdriver, wrap it with
protective tape, and apply protective tape around the related parts, to
prevent damage.
•
...
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