Revotron 1.2T 144 i. Manifold Air Pressure Sensor and Temperature Sensor (T-MAP) : Component Details : T-MAP sensor consists of a silicon chip mounted inside a reference chamber. On one side of the chip is the reference chamber and on the other side is the pressure to be measured. The electrical resistance of the chip varies with the variation of pressure. This change in resistance alters the voltage signal. ECM interprets the voltage signal as pressure and any change in voltage signal as change in pressure. The temperature sensor element is a NTC resistor. Component Location : T-MAP Sensor is mounted on Intake Manifold. Preliminary Checks : 1. Inlet Air Circuit Clogging. 2. Loose / Damaged connections between sensor and EMS ECU 3. Check for back out of pins at both sensor connector and ECU connector. 4. Check for damage of pins at both sensor connector and ECU connector. Circuit Schematic Diagram : Connector Information : Con ID Wire ID Color Size Material Option 1 820 G/O 0.75 FLRYB (AD) 2 819 Y/O 0.50 FLRYB (AD) 3 824 R/W 0.75 FLRYB (AD) 4 823 SB/G 0.50 FLRYB (AD)
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