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<h1>Diagnosis Trainer</h1>

<h2>Circuit diagram</h2>

<img src="circuit.png" />

<h3>Legend</h3>

<ol>
<li value="1">injectors</li>
<li value="2">purge solenoid</li>
<li value="3">fuel pump</li>
<li value="6">idle valve</li>
<li value="11">DIS-coils</li>
<li value="31">mass airflow meter</li>
<li value="33">throttle position sensor</li>
<li value="37">oxygen sensor</li>
<li value="39">magnetic pickup on crankshaft</li>
<li value="40">Hall sensor on camshaft</li>
<li value="42">coolant temperature sensor</li>
<li value="43">air temperature sensor</li>
<li value="49">speed sensor</li>
<li value="83">diagnostic connector</li>
<li value="90">main relay</li>
<li value="91">pump relay</li>
<li value="92">fan relay</li>
<li value="112">check engine light</li>
<li value="159">inertia switch</li>
<li value="201">transponder</li>
<li value="208">radiator fan</li>
</ol>

<h2>Location</h2>

<img src="locations.jpg" />
<br />
<p>The fuel pump is located under the back seat.</p>
<p>The valve to measure the fuel pressure is on the left hand side of the fuel rail, near injector 1.</p>
<p>The pressure regulator is located between injector 1 and 2. The fuel line is connected at the top, the vacuum hose is connected to the bottom.</p>
<p>Locations of fuses and relays are displayed on the cover of the relay box.</p>
<p>The ignition switch is accessible on the right side.</p>


<h2>Specifications components</h2>

<h3>1. Injectors</h3>
<p>Resistance: 16 &Omega;</p>

<h3>2. Purge solenois</h3>
<p>Resistance: 35 &Omega;</p>

<h3>3. Fuel pump</h3>
<p>Resistance: 4 &Omega;<br />
Pressure when vacuum hose is connected: 280 kPa (2.8 bar)<br />
Pressure when vacuum hose is disconnected: 380 kPa (3.8 bar)</p>

<h3>6. Idle valve </h3>
<p>Resistance: 8 &Omega;</p>

<h3>11. Ignition coils </h3>
<p>Primary resistance: 0,2 &Omega;<br />
Secundary resistance: 4500 &Omega;</p>

<h3>31. Mass air flow meter</h3>
<p>Output voltage:<br />
<img src="airflow.png" />

</p>

<h3>33. Throttle position sensor</h3>
<p>Resistance: 5000 &Omega;<br />
Output voltage:<br />
<img src="throttle.png" />

<h3>37. Oxygen sensor</h3>
<p>
Lean output voltage: 0,15 V<br />
Rich output voltage: 0,85 V</p>

<h3>38. Magnetic pickup</h3>
<p>Resistance: 200 &Omega;</p>

<h3>42. Coolant temperature sensor</h3>
<p>Characteristic:<br />
<img src="temperature.png" /></p>

<h3>43. Air temperature sensor</h3>
<p>Characteristic:<br />
<img src="temperature.png" /></p>

<h3>201. Transponder</h3>
<p>Output voltage: 1,5 v</p>

<h3>208. Radiator fan</h3>
<p>Resistance: 1 &Omega;</p>



<h2>Fault codes</h2>

<h3>Procedure</h3>
<p>Fault codes are read out with the OBD tester.</p>
<p>The fault codes can be erased with this tester as well.</p>

<h3>Codes</h3>
<ol>
	<li>Engine is running rich: oxygen sensor time-out</li>
	<li>Engine is running lean: oxygen sensor time-out</li>
	<li>Mass airflow out of range</li>
	<li>Throttle position out of range</li>
	<li>No Hall sensor signal</li>
	<li>Air temperature out of range</li>
	<li>Coolant temperature out of range</li>
	<li>Oxygen sensor out of range</li>
	<li>No signal magnetic pickup</li>
	<li>Fault in injector circuit</li>
	<li>Fault in purge solenoid circuit</li>
	<li>Fault in idle valve circuit</li>
	<li>Fault in ignition coil circuit</li>
	<li>Fault in main relay circuit</li>
	<li>Fault in pump relay circuit</li>
	<li>Fault in fan-relay circuit</li>
</ol>


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