Hyundai Equus: Manifold Absolute Pressure Sensor (MAPS) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Manifold Absolute Pressure Sensor (MAPS) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Manifold Absolute Pressure Sensor (MAPS) Description and Operation
| Description |
Manifold Absolute Pressure Sensor (MAPS) is a speed-density
type sensor and is installed on the surge tank. It senses absolute
pressure of the surge tank and transfers the analog signal proportional
to the pressure to the ECM. By using this signal, the ECM calculates the
intake air quantity and engine speed.
The MAPS consists of a piezo-electric element and a hybrid IC
amplifying the element output signal. The element is silicon diaphragm
type and adapts pressure sensitive variable resistor effect of
semi-conductor. Because 100% vacuum and the manifold pressure apply to
both sides of the sensor respectively, this sensor can output analog
signal by using the silicon variation proportional to pressure change.
ETC (Electronic Throttle Control) System Repair procedures
Inspection
Throttle Position Sensor (TPS)
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T.
Throttle ...
Manifold Absolute Pressure Sensor (MAPS) Specifications
Specification
Pressure[kPa (kgf/cmx, psi)]Output Voltage (V)20.0 (0.20, 2.9)0.7946.7 (0.47, 6.77)1.84101.3 (1.03, 14.7)4.0
...
See also:
Troubleshooting
Basic Troubleshooting
Basic Troubleshooting Guide
Customer Problem Analysis Sheet
Basic Inspection Procedure
Measuring Condition of Electronic Parts' Resistance
The measured resistance at high ...
Power Steering Motor Repair procedures
Replacement
1.
Remove the air cleaner (A).
2.
Loosen the nut and then remove the air filter (A).
3.
Remove the front bumper.
(Refer to Body - "Front Bumper")
4.
Remove the left head l ...
Child restraint system
Children under age 13 must always ride in the rear seats and must always be properly
restrained to minimize the risk of injury in an accident, sudden stop or sudden
maneuver. According to accident ...
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