Hyundai Tucson: 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)850 ~ 1,150 ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Heater & A/C Control Unit(Dual) Repair procedures
Self Diagnosis 1. Self-diagnosis process 2. How to read self-diagnostic code After the display panel flickers three times every 0.5 second, the corresponding fault code flickers on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in n ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Audio Remote Control Repair procedures
Inspection 1. Check for resistance between No.6 and No.7 terminals in each switch position. [Audio System] SwitchConnectorterminalResistance(±5%)Volume down6 - 76.81 kxVolume up6 - 74.61 kxMute6 - 73.11 kxMode6 - 72.11 kxSeek down6 - 71.11 kxSeek up6 - 7430 x 2. Check for voltage betwee ...

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