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An ECT sensor being tested using a digital meter set to DC volts. A chart showing the voltage ...
Views: 393
Filesize: 137.85kB
Date: May 30, 2017
 When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ...
Views: 392
Filesize: 63.24kB
Date: May 30, 2017
 Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ...
Views: 427
Filesize: 77.56kB
Date: May 30, 2017
 The transition between steps usually occurs at a temperature that would not interfere with cold ...
Views: 372
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: 366
Filesize: 31.64kB
Date: May 30, 2017
 A typical ECT sensor temperature versus voltage curve.
Views: 429
Filesize: 44.98kB
Date: May 30, 2017
 A typical engine coolant temperature (ECT) sensor. ECT sensors are located near the thermostat ...
Views: 421
Filesize: 433.78kB
Date: May 30, 2017
 Global OBD II can be accessed from the main menu on all aftermarket and some original equipment ...
Views: 386
Filesize: 1.61MB
Date: May 30, 2017
OBD-II DTC identification format.
Views: 345
Filesize: 43.03kB
Date: May 30, 2017
 The malfunction indicator lamp might be labeled “service engine soon,” which can cause ...
Views: 424
Filesize: 652.44kB
Date: May 30, 2017
 A typical malfunction indicator lamp (MIL) often labeled “check engine.”
Views: 378
Filesize: 446.18kB
Date: May 30, 2017
 Sixteen-pin OBD II DLC with terminals identified. Scan tools use the power pin (16) ground pin (4) ...
Views: 392
Filesize: 116.48kB
Date: May 30, 2017
Checking the terminating resistors using an ohmmeter at the DLC.
Views: 321
Filesize: 21.16kB
Date: May 30, 2017
 A typical bus system showing module CAN communications and twisted pairs of wire.
Views: 407
Filesize: 146.99kB
Date: May 30, 2017
 A star link-type network where all of the modules are connected together using splice packs.
Views: 457
Filesize: 195.35kB
Date: May 30, 2017
 A ring link network reduces the number of wires it takes to interconnect all of the modules.
Views: 425
Filesize: 170.49kB
Date: May 30, 2017
A network allows all modules to communicate with other modules.
Views: 387
Filesize: 132.37kB
Date: May 30, 2017
 This PCM on a Chrysler vehicle can only be seen by hoisting the vehicle because it is located next ...
Views: 358
Filesize: 1.36MB
Date: May 30, 2017
 This Powertrain Control Module (PCM) is located under the hood on this Chevrolet pickup truck.
Views: 377
Filesize: 535.99kB
Date: May 30, 2017
 The clock generator produces a series of pulses that are used by the microprocessor and other ...
Views: 415
Filesize: 542.73kB
Date: May 30, 2017
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