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A typical hand-operated vacuum pump.
Views: 274
Filesize: 484.03kB
Date: May 30, 2017
 Altitude affects the MAP sensor voltage.
Views: 279
Filesize: 48.62kB
Date: May 30, 2017
 Shown is the electronic circuit inside a ceramic disc MAP sensor used on many Chrysler engines. The ...
Views: 311
Filesize: 1.08MB
Date: May 30, 2017
 A waveform of a typical digital MAP sensor.
Views: 312
Filesize: 46.91kB
Date: May 30, 2017
MAP sensors use three wires: 1.5 volt reference from the PCM 2. Sensor signal (output signal) 3. ...
Views: 339
Filesize: 176.84kB
Date: May 30, 2017
 A plastic MAP sensor used for training purposes showing the electronic circuit board and electrical ...
Views: 349
Filesize: 359.28kB
Date: May 30, 2017
 (a) As an engine is accelerated under a load, the engine vacuum drops. This drop in vacuum is ...
Views: 308
Filesize: 118.99kB
Date: May 30, 2017
 Checking the voltage drop between the TP sensor ground and a good engine ground with the ignition ...
Views: 354
Filesize: 1.37MB
Date: May 30, 2017
Checking the 5 volt reference from the computer being applied to the TP sensor with the ignition ...
Views: 322
Filesize: 1.21MB
Date: May 30, 2017
 A typical waveform of a TP sensor signal as recorded on a DSO when the accelerator pedal was ...
Views: 341
Filesize: 15.26kB
Date: May 30, 2017
 A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ...
Views: 359
Filesize: 1.53MB
Date: May 30, 2017
 The signal voltage from a throttle position increases as the throttle is opened because the wiper ...
Views: 327
Filesize: 40.18kB
Date: May 30, 2017
A typical TP sensor mounted on the throttle plate of this port-injected engine.
Views: 304
Filesize: 238.8kB
Date: May 30, 2017
 A typical temperature sensor circuit.
Views: 280
Filesize: 43.25kB
Date: May 30, 2017
 The IAT sensor on this General Motors 3800 V-6 engine is in the air passage duct between the air ...
Views: 320
Filesize: 619.06kB
Date: May 30, 2017
 An ECT sensor being tested using a digital meter set to DC volts. A chart showing the voltage ...
Views: 314
Filesize: 137.85kB
Date: May 30, 2017
When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ...
Views: 321
Filesize: 63.24kB
Date: May 30, 2017
 Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ...
Views: 351
Filesize: 77.56kB
Date: May 30, 2017
 The transition between steps usually occurs at a temperature that would not interfere with cold ...
Views: 307
Filesize: 98.94kB
Date: May 30, 2017
 A typical two-step ECT circuit showing that when the coolant temperature is low, the PCM applies a ...
Views: 289
Filesize: 31.64kB
Date: May 30, 2017
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