<TABLE WIDTH="95%" BORDER=1>
<TR>
<TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Step</P>
</TH><TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Action</P>
</TH><TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Values</P>
</TH><TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Yes</P>
</TH><TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>No</P>
</TH></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S02"><P>2</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Start the engine.</LI>
<LI TYPE="1"> Observe the CMP Active Counter with a scan tool.</LI>
</OL>
<P>Does the CMP Active Counter parameter increment and then reset to 0 continuously?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 3 </P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 4
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>3</P></TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Observe the Freeze Frame/Failure Records for this DTC.</LI>
<LI TYPE="1">Turn OFF the ignition for 30 seconds.</LI>
<LI TYPE="1">Start the engine.</LI>
<LI TYPE="1">Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.</LI>
</OL>
<P>Did the DTC fail this ignition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 4
</P>
</TD><TD VALIGN="bottom" ROWSPAN=1><P>Go to Diagnostic Aids</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>4 </P></TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Observe the Misfire Current CYL # 1 and CYL # 4 counters with a scan
tool.</P>
<P>Is CYL #1 and/or CYL #4 Misfire counters counting up?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P></TD>
<TD VALIGN="bottom" ROWSPAN=1><P>Go to DTC P0300</P></TD>
<TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 5</P></TD></TR>
<TR><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>5</P></TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Turn OFF the ignition.</LI>
<LI TYPE="1">Disconnect the ignition control module (ICM).</LI>
<LI TYPE="1">Jumper the ICM circuits except for the camshaft position signal circuit from the ICM to the ICM harness
connector. Refer to Using Connector Test Adapters.</LI>
<LI TYPE="1">Measure the DC duty cycle on the camshaft position signal circuit of the ICM with a DMM. Refer to Circuit Testing.</LI>
<LI TYPE="1">Start the engine.</LI>
</OL>
<P>Is the Duty Cycle within the specified range?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>45-55%</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 6</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 10</P></TD></TR>
<TR><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>6 </P>
</TD><TD ROWSPAN=1>
<OL><LI TYPE="1">Turn OFF the ignition.</LI>
<LI TYPE="1">Remove the jumper wires from the ICM.</LI>
<LI TYPE="1">Leave the ICM disconnected.</LI>
<LI TYPE="1">Turn ON the ignition, with the engine OFF.</LI>
<LI TYPE="1">Measure the voltage on the camshaft position signal circuit at the ICM harness connector with a DMM connected to ground. Refer to Circuit Testing.</LI>
</OL>
<P>Is the voltage within the specified range?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>4-6 V</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 8</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 7</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>7</P></TD><TD ROWSPAN=1><P>Is the voltage above the specified range?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>4-6 V</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 11 </P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 8</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>8</P></TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Turn OFF the ignition.</LI>
<LI TYPE="1">Disconnect the engine control module (ECM).</LI>
<LI TYPE="1">Measure the resistance of the camshaft position signal circuit with a DMM. Refer to Circuit Testing.</LI>
</OL>
<P>Is the resistance within the specified range?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0-5 ohms</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 9
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 12 </P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>9</P></TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Leave the ECM and ICM disconnected.</LI>
<LI TYPE="1">Measure the resistance from the camshaft position signal circuit of the ICM harness connector to a good ground with a DMM. Refer to Circuit Testing.</LI>
</OL>
<P>Is the resistance at the specified value?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>OL</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 16
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 13</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>10</P>
</TD><TD ROWSPAN=1>
<OL><LI TYPE="1">Turn OFF the ignition.</LI>
<LI TYPE="1">Remove the ICM from the ignition coil housing. Refer to Ignition Control Module Replacement .</LI>
<LI TYPE="1">Remove the interconnect from between the ignition coil housing and the ICM.</LI>
<LI TYPE="1">Inspect the interconnect for a poor connection at the coil housing and at the ICM. Refer to Testing for Intermittent Conditions and Poor Connections.</LI>
</OL>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 18</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to Step 14
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>11</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Test the camshaft position signal circuit for a short to voltage.
Refer to
<a href="cellHandler.do?cellId=62194&refDoc=1542027&from=dtclist">Circuit Testing
and
<a href="cellHandler.do?cellId=61965&refDoc=1542027&from=dtclist">Wiring Repairs
.</P>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S16">Step 16
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S12"><P>12</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Test the camshaft position signal circuit for an open or high
resistance. Refer to
<a href="cellHandler.do?cellId=62194&refDoc=1542027&from=dtclist">Circuit Testing
and
<a href="cellHandler.do?cellId=61965&refDoc=1542027&from=dtclist">Wiring Repairs
.</P>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S16">Step 16
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S13"><P>13</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Test the camshaft position signal circuit for a short to ground. Refer
to
<a href="cellHandler.do?cellId=62194&refDoc=1542027&from=dtclist">Circuit Testing
and
<a href="cellHandler.do?cellId=61965&refDoc=1542027&from=dtclist">Wiring Repairs
.</P>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S16">Step 16
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S14"><P>14</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Test for an intermittent and for a poor connection at the ICM. Refer
to
<a href="cellHandler.do?cellId=62112&refDoc=1542027&from=dtclist">Testing for Intermittent Conditions and Poor
Connections
and
<a href="cellHandler.do?cellId=61973&refDoc=1542027&from=dtclist">Connector Repairs
.</P>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S15">Step 15
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S15"><P>15</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Replace the ICM. Refer to
<a href="cellHandler.do?cellId=68099&refDoc=1542027&from=dtclist">Ignition Control Module Replacement
.</P>
<P>Did you complete the replacement?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>--</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S16"><P>16</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Test for an intermittent and for a poor connection at the ECM. Refer
to
<a href="cellHandler.do?cellId=62112&refDoc=1542027&from=dtclist">Testing for Intermittent Conditions and Poor
Connections
and
<a href="cellHandler.do?cellId=61973&refDoc=1542027&from=dtclist">Connector Repairs
.</P>
<P>Did you find and correct the condition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S17">Step 17
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S17"><P>17</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Replace the ECM. Refer to
<a href="cellHandler.do?cellId=72864&refDoc=1542027&from=dtclist">Control Module References
for replacement, setup, and programming.</P>
<P>Did you complete the replacement?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S18">Step 18
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>--</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S18"><P>18</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1>
<OL><LI TYPE="1">Clear the DTCs with a scan tool.</LI>
<LI TYPE="1">Turn OFF the ignition for 30 seconds.</LI>
<LI TYPE="1">Start the engine.</LI>
<LI TYPE="1">Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the
conditions that you observed from the Freeze Frame/Failure Records.</LI>
</OL>
<P>Did the DTC fail this ignition?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S02">Step 2
</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Go to
S19">Step 19
</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1>S19"><P>19</P>
</TD><TD ALIGN="left" VALIGN="top" ROWSPAN=1><P>Observe the Capture Info with a scan tool.</P>
<P>Are there any DTCs that have not been diagnosed?</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD VALIGN="bottom" ROWSPAN=1><P>Go to
<a href="cellHandler.do?cellId=72795&refDoc=1542027&from=dtclist">Diagnostic Trouble Code (DTC) List - Vehicle</P>
</TD><TD ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>System OK</P>
</TD></TR>
</TABLE>