They are essentially expensive jumper wires. NOTE: The cheap $25-30 "scan tool" and the $5 "scan key" that you find at many auto parts stores are NOT actual scan tools. We will also utilize this connector for our "NON-SCAN" method. Regardless of the method used, the secret to communicating with the car's computer is through the ALDL connector (Assembly Line Diagnostic Link). The other method is to perform a "NON-SCAN" diagnostic circuit check by having the "Service Engine Soon" light blink out the codes stored in the ECM. The drawbacks to the scan tool method is that a scan tool costs several thousands of dollars.
TOYOTA DIAGNOSTIC CODE 22 FULL
In full detail, such as the sensor voltage detected and what it should be. The more expensive scan tools also display the details behind the trouble code A scan tool displays trouble codes numerically on a LCD display or computer terminal. The best and easiest way is to purchase a "scan tool". You can read these trouble codes in several different ways. What you need to do first is find out what trouble codes are presently stored in the ECM. If there is an engine malfunction caused or detected by any one of the many sensors connected to the ECM, a trouble code will be stored in NVM, or Non-Volatile Memory.
The ECM is constantly controlling, adjusting, and monitoring engine conditions. This computer is called the ECM, or "Electronic Control Module".
In every GM W-Body car, there is a computer that controls virtually all aspects of the engine's operation. What do you do when this dreaded light turns on? 1, 3 Igniter coil No.DO NOT LOAD THIS PAGE DIRECTLY, use GM W-Body ECM Trouble Codes TROUBLE AREA Crankshaft position sensor Igniter coil No.
TROUBLE AREA RPM signal RPM signal IGN signal ECT Signal Oxygen sensor signal Water temperature signal Intake air temperature sensor Air / Fuel ratio lean Vacuum sensor signal Throttle sensor Vehicle speed sensor Starter signal Knock sensor Switch CONDĬOROLLA ZZE (Connect pins 4 – 13 in 16 pin DLC located under steering wheel assy) DTC NUMBER 12 – 13 14 15 18 21 21 22 24 25 26 27.27 31 33 39 41 42 52 59 TROUBLE AREA Crank shaft position sensor NE, Engine speed sensor Timing control valve Accelerator pedal position sensor Water temperature sensor Intake air temperature sensor Injection pump system Intake shutter control Turbo pressure sensor Fuel temperature sensor Vehicle speed sensor Spill valve Engine immobilizerġ.6 GLi COROLLA DTC NUMBER 12 13 14 16 21 22 24 25 31 41 42 43 52 51 Vehicle speed sensor Starter signal Engine immobilizer Switch air conditioner signalġ01 1 HD FTE DTC NUMBER 12 13 14 19.1 – 19.4 22 24 32 33 35 39 42 97 99 TROUBLE AREA RPM Signal 1 RPM Signal 2 Timing control signal Automatic Transmission control signal Interior IC signal Water temperature signal Intake air temperature signal Correction resistor signal Intake constrictor control signal Turbo pressure signal Fuel temp sensor signal Throttle plate position sensor TROUBLE AREA Normal Intake air pressure sensor Ignition timing Water temperature sensor Correction resistor RPM Sensor Throttle Plate Position sensor Intake air temperature sensor Vehicle speed sensor Starter switch signal Switch signal system AC, Neutral Position Timing control valve Crank angle sensor Solenoid spill valveġKZ TE DTC NUMBER 12 13 14 16 17 22 24 32 33 35 39 41 DIAGNOSTIC TROUBLE CODES (DTC) TOYOTA 2LTE - PRADO DTC NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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