Dtcs P1239 to P2008: Other Jeep Compass I

Monitor Conditions

1. When Monitored: The engine oil temperature has dropped below a calibrated value. Engine start up.

Set Conditions

1. Set Condition: The Engine Oil temperature rises faster than a calibrated modeled temperature. When the actual oil temperature exceeds the calibrated modeled temperature for 3 minutes the fault is set.

Possible Causes

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 373

Scheme 374

Scheme 375

Scheme 376

Scheme 377

Scheme 378

1. DTC IS ACTIVE NOTE: Diagnose any CAN - C Communication DTCs before continuing. Turn the ignition off. If possible, allow the vehicle to sit with the ignition off for more than 60 minutes in an environment where the temperature will allow the oil temperature to cool down. Start the engine and allow it to reach normal operating conditions. With a scan tool, select View DTCs. Is the status Active or Pending for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. ENGINE OIL The following conditions must be checked. OEM recommended oil viscosity is being used. Customer is following the oil change schedule. Check the engine oil for contamination. (i.e, fuel and/or engine coolant) Internal engine condition that may effect oil pressure. Were any of the above conditions found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 3 .
3. (G24) EOT SIGNAL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Engine Oil Temperature Sensor connector. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (G24) EOT Signal circuit in the Engine Oil Temperature Sensor harness connector. Is there any voltage present? Yes Repair the (G24) EOT Signal circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 4 .
4. (G24) EOT SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (G24) EOT Signal circuit in the Engine Oil Temperature Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 5 . No Repair the (G24) EOT Signal circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. (G24) EOT SIGNAL CIRCUIT SHORTED TO (K915) SENSOR GROUND CIRCUIT Measure the resistance between the (G24) EOT Signal circuit and the (K915) Sensor Ground circuit in the Engine Oil Temperature Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 6 . No Repair the (G24) EOT Signal circuit for a short to the (K915) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. (G24) EOT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (G24) EOT Signal circuit between the Engine Oil Temperature Sensor harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 7 . No Repair the (G24) EOT Signal circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
7. (K915) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K915) Sensor Ground circuit between the Engine Oil Temperature Sensor harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 8 . No Repair the (K915) Sensor Ground for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
8. ENGINE OIL TEMPERATURE SENSOR Turn the ignition off. Connect the Powertrain Control Module (PCM) connector. Connect a jumper wire between the (K915) Sensor Ground circuit and the (G24) EOT Signal circuit in the Engine Oil Temperature Sensor harness connector. Turn the ignition on. With the scan tool, read the Engine Oil Temperature Sensor signal voltage. Is the voltage below 1.0 volt with the jumper wire in place? Yes Replace the Engine Oil Temperature Sensor in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
9. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Engine Oil Temperature Sensor and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

Scheme 379

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and Main Relay is on. TIPM requesting Starter operation.

1. Set Condition: Actual Starter state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and the Main Relay on. TIPM requesting Starter operation.

1. Set Condition: Actual Starter state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and the Main Relay on. TIPM requesting Starter operation.

1. Set Condition: Actual Starter state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 380

Scheme 381

1. DTC IS ACTIVE NOTE: If P0615, P0616 or P0617 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. STARTER CONTROL OUTPUT OPERATION Turn the ignition off. Disconnect the Starter (1-way) harness connector. With a 12-volt test light connected to ground, probe the (T750) Starter Control Output circuit in the Starter (1-way) harness connector WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death. Crank the engine and monitor the test light. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the Starter in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. (T750) STARTER CONTROL OUTPUT CIRCUIT OPEN Turn the ignition off Disconnect the TIPM 10 harness connector. Measure the resistance of the (T750) Starter Control Output circuit between the TIPM C10 harness connector and the Starter harness connector. Is the resistance below 5.0 ohms? Yes Go To 4 . No Repair the short to ground in the (T750) Starter Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
4. TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Totally Integrated Power Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts. TIPM requesting Stater operation.

1. Set Condition: An overcurrent condition is detected in the Starter control output circuit. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 382

1. DTC IS ACTIVE NOTE: If P0615, P0616 or P0617 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. VISUAL AND PHYSICAL CONNECTOR AND TERMINAL INSPECTION NOTE: Ensure the Starter is bolted securely and is properly mounted. Turn the ignition off. Disconnect the TIPM C10 harness connector. Disconnect the Starter (1-way) harness connector. Inspect the terminal and connector condition. Check for signs of corrosion build up or damage that would compromise the terminal to controller pin connector. NOTE: Make sure that all inline connectors are inspected for corrosion and/or damage. Visually inspect the wiring harness. Look for any chafed, pierced, pinched or partially broken wires hidden in the wire insulation. Were any of the above conditions found? Yes Repair or replace as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. STARTER CONTROL OUTPUT OPERATION Turn the ignition off. Reconnect the TIPM C10 harness connector. With a 12-volt test light connected to ground, probe the (T750) Starter Control Output circuit in the Starter (1-way) harness connector WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death. Crank the engine and monitor the test light. NOTE: The test light should be illuminated only when cranking the engine. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly when cranking the engine and then turn off when it is not being cranked? Yes Replace the Starter in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 4 .
4. (T750) STARTER CONTROL OUTPUT CIRCUIT HIGH RESISTANCE Turn the ignition off. Disconnect the TIPM C10 harness connector. With a jumper wire, connect one end to the (T750) Starter Control Output circuit in the Starter harness connector and the other to a clean chassis ground. Using a 12-volt test light to battery voltage, probe the (T750) Starter Control Output circuit in the TIPM C7 harness connector. NOTE: The test light should be illuminated and bright. Compared the brightness to that of a direct connection to the battery. Does the test light illuminate brightly. Yes Go To 5 . No Repair the high resistance in the (T750) Starter Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Totally Integrated Power Module per Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

Scheme 383

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and the Main Relay on. TIPM requesting Fuel Pump operation.

1. Set Condition: Actual Fuel Pump state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 384

Scheme 385

1. DTC IS ACTIVE NOTE: If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. FUEL PUMP MODULE Turn the ignition off. Disconnect the Fuel Pump Module harness connector. Ignition on, engine not running. Using the scan tool under the TIPM Actuators, actuate the Fuel Pump. With a 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit at the Fuel Pump Module harness connector. NOTE: The test light should be illuminated and bright. Compared the brightness to that of a direct connection to the battery. Does the test light illuminate brightly and flash on and off? Yes Replace the Fuel Pump Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT SHORTED TO GROUND Turn the ignition off Disconnect the TIPM C7 harness connector. Measure the resistance between ground and the (N1) Fuel Pump Control Output circuit at the TIPM C7 harness connector. Is the resistance below 100 ohms? Yes Repair the short to ground in the (N1) Fuel Pump Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 4 .
4. TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Totally Integrated Power Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and the Main Relay on. TIPM requesting Fuel Pump operation.

1. Set Condition: Actual Fuel Pump state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 386

Scheme 387

1. DTC IS ACTIVE NOTE: If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE Turn the ignition off Disconnect the C7 TIPM harness connector. Turn the ignition on. Using a voltmeter, measure the voltage of the (N1) Fuel Pump Control Output circuit in the C7 TIPM harness connector. Does the voltmeter indicate voltage present? Yes Repair the short to battery voltage in the (N1) Fuel Pump Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. FUEL PUMP MOTOR GROUND CIRCUIT Turn the ignition off. Disconnect the Fuel Pump Module harness connector. Using a 12-volt test light to battery voltage, probe the Fuel Pump Motor Ground circuit in the Fuel Pump Module harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly. Yes Go To 4 . No Repair the Fuel Pump Motor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
4. FUEL PUMP MODULE Connect the C7 TIPM harness connectors. Ignition on, engine not running. Using the scan tool under the TIPM Actuators, actuate (Toggle) the Fuel Pump. With a 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit at the Fuel Pump Module harness connector. Does the test light illuminate brightly and flash on and off? Yes Replace the Fuel Pump Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 5 .
5. TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Totally Integrated Power Module per Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts and the Main relay is on. TIPM requesting Fuel Pump operation.

1. Set Condition: Actual Fuel Pump state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 388

1. DTC IS ACTIVE NOTE: If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. FUEL PUMP MODULE Disconnect the Fuel Pump Module harness connector. Ignition on, engine not running. Using the scan tool under the TIPM Actuators, actuate the Fuel Pump. With a 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit at the Fuel Pump Module harness connector. Does the test light illuminate brightly and flash on and off? Yes Replace the Fuel Pump Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT OPEN Turn the ignition off Disconnect the TIPM C7 harness connector. Measure the resistance of the (N1) Fuel Pump Control Output circuit between the TIPM C7 harness connector and the Fuel Pump Module harness connector. Is the resistance below 5.0 ohms? Yes Go To 4 . No Repair the short to ground in the (N1) Fuel Pump Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
4. TOTALLY INTEGRATED POWER MODULE NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Totally Integrated Power Module in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the ignition on. Battery voltage greater than 10.4 volts. TIPM requesting fuel pump operation.

1. Set Condition: An overcurrent condition is detected in the Fuel Pump control output circuit. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 389

1. DTC IS ACTIVE NOTE: If P0627, P0628 or P0629 has set along with this DTC, diagnose those DTC(s) first before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. VISUAL AND PHYSICAL CONNECTOR AND TERMINAL INSPECTION Turn the ignition off. Disconnect the TIPM C7 harness connector. Disconnect the Fuel Pump harness connector. Inspect the terminal and connector condition. Check for signs of corrosion build up or damage the would compromise the terminal to controller pin connector. NOTE: Make sure that all inline connectors are inspected for corrosion and/or damage. Visually inspect the wiring harness. Look for any chafed, pierced, pinched or partially broken wires hidden in the wire insulation. Were any of the above conditions found? Yes Repair or replace as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go To 3 .
3. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT HIGH RESISTANCE With a jumper wire, connect one end to the (N1) Fuel Pump Control Output circuit in the Fuel Pump harness connector and the other to a clean chassis ground. Using a 12-volt test light to battery voltage, probe the (N1) Fuel Pump Control Output circuit in the TIPM C7 harness connector. NOTE: The test light should be illuminated and bright. Compared the brightness to that of a direct connection to the battery. Does the test light illuminate brightly. Yes Go To 4 . No Repair the high resistance in the (N1) Fuel Pump Control Output circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
4. (Z904) FUEL PUMP GROUND CIRCUIT Using a 12-volt test light to battery voltage, probe the (Z904) Fuel Pump Ground circuit in the Fuel Pump harness connector. NOTE: The test light should be illuminated and bright. Compared the brightness to that of a direct connection to the battery. Does the test light illuminate brightly. Yes Go To 5 . No Repair the excessive resistance in the (Z904) Fuel Pump Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. (N1) FUEL PUMP CONTROL OUTPUT CIRCUIT Reconnect the TIPM C7 harness connector. Ignition on, engine not running. With a scan tool in the TIPM Actuators, actuate the Fuel Pump. Using the 12-volt test light connected to ground, probe the (N1) Fuel Pump Control Output circuit in the Fuel Pump harness connector. Does the test light illuminate brightly? Yes Replace the Fuel Pump. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the TIPM in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

Scheme 390

1. When Monitored: With the ignition on and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects an implausible voltage on the Vehicle Speed Sensor circuit.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 391

Scheme 392

Scheme 393

Scheme 394

Scheme 395

Scheme 396

Scheme 397

Scheme 398

Scheme 399

Scheme 400

1. DTC IS ACTIVE Start the engine. Allow the engine to reach normal operating temperature. NOTE: Diagnose and repair any system voltage or sensor reference voltage DTCs before continuing with this test. NOTE: Check for any Bus Communication DTCs. If no Bus or Communication DTCs are set, check for active Vehicle Speed Sensor DTCs in the Totally Integrated Power Module. Any bus, communication, or VSS DTCs in the TIPM must be properly diagnosed before continuing. NOTE: This code may set after a hard acceleration on loose gravel, during other off road driving conditions, or by any condition that causes a wheel speed difference between the front and rear wheels. NOTE: It may be necessary to test drive the vehicle within the DTC monitoring conditions in order for this DTC to set. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (F856) 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the Vehicle Speed Sensor connector. Turn the ignition on. Measure the voltage of the (F856) 5 Volt Supply circuit in the Vehicle Speed Sensor harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 3 . No Go to 7 .
3. (K75) VEHICLE SPEED SIGNAL CIRCUIT VOLTAGE Measure the voltage of the (K75) Vehicle Speed Signal circuit in the Vehicle Speed Sensor harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 4 . No Go to 11 .
4. (K914) SENSOR GROUND CIRCUIT TEST Turn the ignition off. Using a 12 volt test light connected to 12 volts, check the (K914) Sensor Ground circuit in the Vehicle Speed Sensor harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 5 . No Go to 15 .
5. (F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K75) VEHICLE SPEED SIGNAL CIRCUIT Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Measure the resistance between the (F856) 5 Volt Supply circuit and the (K75) Vehicle Speed Signal circuit in the Vehicle Speed Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 6 . No Repair the (F856) 5 Volt Supply circuit for a short to the (K75) Vehicle Speed Signal circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. VEHICLE SPEED SENSOR Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Vehicle Speed Sensor and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Inspect the Vehicle Speed Sensor for any condition that would result in an incorrect signal, such as damage, corrosion, or contamination. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Vehicle Speed Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
7. (F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (F856) 5 Volt Supply circuit in the Vehicle Speed Sensor harness connector. Is there any voltage present? Yes Repair the (F856) 5 Volt Supply circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 8 .
8. (F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (F856) 5 Volt Supply circuit in the Vehicle Speed Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 9 . No Repair the (F856) 5 Volt Supply circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
9. (F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K914) SENSOR GROUND CIRCUIT Measure the resistance between the (F856) 5 Volt Supply circuit and the (K914) Sensor Ground circuit in the Vehicle Speed Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 10 . No Repair the (F856) 5 Volt Supply circuit for a short to the (K914) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
10. (F856) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (F856) 5 Volt Supply circuit between the Vehicle Speed Sensor harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (F856) 5 Volt Supply circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
11. (K75) VEHICLE SPEED SIGNAL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K75) Vehicle Speed Signal circuit in the Vehicle Speed Sensor harness connector. Is there any voltage present? Yes Repair the (K75) Vehicle Speed Signal circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 12 .
12. (K75) VEHICLE SPEED SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (K75) Vehicle Speed Signal circuit in the Vehicle Speed Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 13 . No Repair the (K75) Vehicle Speed Signal circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
13. (K75) VEHICLE SPEED SIGNAL CIRCUIT SHORTED TO (K914) SENSOR GROUND CIRCUIT Measure the resistance between the (K75) Vehicle Speed Signal circuit and the (K914) Sensor Ground circuit in the Vehicle Speed Sensor harness connector. Is the resistance above 100 ohms? Yes Go to 14 . No Repair the (K75) Vehicle Speed Signal circuit for a short to the (K914) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
14. (K75) VEHICLE SPEED SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K75) Vehicle Speed Signal circuit between the Vehicle Speed Sensor harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (K75) Vehicle Speed Signal circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
15. (K914) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Measure the resistance of the (K914) Sensor Ground circuit between the Vehicle Speed Sensor harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
16. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Vehicle Speed Sensor and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the engine running, transmission not neutral, brakes not applied, and engine RPM greater than 1500.

1. Set Condition: This code will set if the PCM receives an implausible vehicle speed signal from the TIPM Module.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects voltage on the (F963) Start Enable circuit for a specified time after the engine is running.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects that the state of brake switch does not change as expected.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 401

Scheme 402

Scheme 403

Scheme 404

Scheme 405

Scheme 406

Scheme 407

Scheme 408

1. DTC IS ACTIVE Turn the ignition on. With the scan tool, monitor the states of Brake Signal 1 and Brake Signal 2 while pressing and releasing the brake pedal several times. Do the states change from Pressed when the pedal is pressed to Not Pressed when the pedal is released? Yes Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure. No Go to 2 .
2. (B15) BRAKE SIGNAL 1 CIRCUIT Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Using a 12 volt test light connected to 12 volts, check the (B15) Brake Signal 1 circuit in the Powertrain Control Module (PCM) harness connector while pressing and releasing the brake pedal several times. Does the test light change from illuminated when the pedal is pressed to not illuminated when the pedal is released? Yes Go to 3 . No Go to 4 .
3. (B16) BRAKE SIGNAL 2 CIRCUIT Turn the ignition on. Using a 12 volt test light connected to ground, check the (B16) Brake Signal 2 circuit in the Powertrain Control Module (PCM) harness connector while pressing and releasing the brake pedal several times. Does the test light change from illuminated when the pedal is pressed to not illuminated when the pedal is released? Yes Go to 11 . No Go to 7 .
4. (Z967) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Stop Lamp Switch connector. Using a 12 volt test light connected to 12 volts, check the (Z967) Ground circuit in the Stop Lamp Switch harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 5 . No Repair the (Z967) Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. (B15) BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (B15) Brake Signal 1 circuit in the Stop Lamp Switch harness connector. Is the resistance above 100 ohms? Yes Go to 6 . No Repair the (B15) Brake Signal 1 circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. (B15) BRAKE SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (B15) Brake Signal 1 circuit between the Stop Lamp Switch harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 10 . No Repair the (B15) Brake Signal 1 circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
7. (F202) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Stop Lamp Switch connector. Turn the ignition on. Using a 12 volt test light connected to ground, check the (F202) Fused Ignition Switch Output (Run-Start) circuit in the Stop Lamp Switch harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 8 . No Repair the (F202) Fused Ignition Switch Output (Run-Start) circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
8. (B16) BRAKE SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE Measure the voltage of the (B16) Brake Signal 2 circuit in the Stop Lamp Switch harness connector. Is there any voltage present? Yes Repair the (B16) Brake Signal 2 circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
9. (B16) BRAKE SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (B16) Brake Signal 2 circuit between the Stop Lamp Switch harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 10 . No Repair the (B16) Brake Signal 2 circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
10. STOP LAMP SWITCH Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Stop Lamp Switch and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Stop Lamp Switch in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
11. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Stop Lamp Switch and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the ignition on and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects that the state of Brake Signal 2 does not change as expected.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects that the (V71) S/C Signal 1 voltage does not match the (V72) S/C Signal 2 voltage.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on and battery voltage greater than 10 volts.

1. Set Condition: The PCM has not been programmed.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Continuously.

1. Set Condition: The PCM has detected an interruption in the supplied battery voltage while the module is powered down. Two Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on.

1. Set Condition: The PCM detects an excessive voltage variation on the 5 volt supply circuit.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 409

Scheme 410

Scheme 411

Scheme 412

Scheme 413

1. DTC IS ACTIVE Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (F856) 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the APP Sensor harness connector. Turn the ignition on. Measure the voltage of the (F856) 5 Volt Supply circuit. Select the appropriate response from the list below: Voltage more than 5.2 volts Repair the (F856) 5 Volt Supply circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . Voltage between 4.8 and 5.2 volts Go to 3 . Voltage below 4.8 volts Go to 4 .
3. ACCELERATOR PEDAL POSITION SENSOR Turn the ignition off. Connect the APP Sensor harness connector. Disconnect the Camshaft 1/2 Position Sensor harness connector. Turn the ignition on. Measure the voltage of the (F856) 5 Volt Supply circuit in the Camshaft 1/2 Position Sensor harness connector. Is the voltage below 4.8 volts? Yes Replace the Accelerator Pedal Position Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 11 .
4. CAMSHAFT 1/2 POSITION SENSOR Turn the ignition off. Disconnect the Camshaft 1/2 Position Sensor harness connector. Turn the ignition on. Measure the voltage of the (F855) 5 Volt Supply circuit in the APP Sensor harness connector. Is the voltage above 4.8 volts? Yes Replace the Camshaft 1/2 Position Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 5 .
5. THROTTLE POSITION SENSOR Turn the ignition off. Disconnect the Throttle Body harness connector. Turn the ignition on. Measure the voltage of the (F855) 5 Volt Supply circuit. Is the voltage above 4.8 volts? Yes Replace the Throttle Body in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 6 .
6. CRANKSHAFT POSITION SENSOR Turn the ignition off. Disconnect the Crankshaft Position Sensor harness connector. Turn the ignition on. Measure the voltage of the (F855) 5 Volt Supply circuit. Is the voltage above 4.8 volts? Yes Replace the Crankshaft Position Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 7 .
7. VEHICLE EQUIPPED WITH MANUAL TRANSMISSION NOTE: Only vehicles equipped with a manual transmission use a Vehicle Speed Sensor. Is the vehicle equipped with a manual transmission? Yes Go to 8 . No Go to 9 .
8. VEHICLE SPEED SENSOR NOTE: Only vehicles equipped with a manual transmission use a Vehicle Speed Sensor. Turn the ignition off. Disconnect the Vehicle Speed Sensor harness connector. Turn the ignition on. Measure the voltage of the (F856) 5 Volt Supply circuit. Is the voltage above 4.8 volts? Yes Replace the Vehicle Speed Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
9. 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND NOTE: All sensors connected to the (F855) 5 volt supply circuit and the (F856) 5 volt supply circuit must be disconnected. Turn the ignition off. Disconnect the PCM harness connectors. Measure the resistance between ground and the (F855) 5 Volt Supply circuit. Measure the resistance between ground and the (F856) 5 Volt Supply circuit. Is the resistance above 1000 ohms for both circuits? Yes Go to 10 . No Repair the 5 Volt Supply circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
10. 5-VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE NOTE: All sensors connected to the (F855) 5 volt supply circuit and the (F856) 5 volt supply circuit must be disconnected. Turn the ignition off. Measure the resistance of the (F855) 5 Volt Supply circuit between the Camshaft 1/2 Position Sensor harness connector and the PCM harness connector. Measure the resistance of the (F855) 5 Volt Supply circuit between the Crankshaft Position Sensor harness connector and the PCM harness connector. Measure the resistance of the (F855) 5 Volt Supply circuit between the Throttle Body harness connector and the PCM harness connector. Measure the resistance of the (F856) 5 Volt Supply circuit between the Accelerator Pedal Position Sensor harness connector and the PCM harness connector. If the vehicle is equipped with a manual transmission, measure the resistance of the (K856) 5 Volt Supply circuit between the Vehicle Speed Sensor harness connector and the PCM harness connector. Is the resistance below 5.0 ohms for all of the circuits? Yes Go to 11 . No Repair the 5 Volt Supply circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
11. POWERTRAIN CONTROL MODULE (PCM) Inspect the (F855) 5 Volt Supply circuit between the Camshaft 1/2 Position Sensor harness connector and the PCM harness connector. Inspect the (F855) 5 Volt Supply circuit between the Crankshaft Position Sensor harness connector and the PCM harness connector. Inspect the (F855) 5 Volt Supply circuit between the Throttle Body harness connector and the PCM harness connector. Inspect the (F856) 5 Volt Supply circuit between the Accelerator Pedal Position Sensor harness connector and the PCM harness connector. If the vehicle is equipped with a manual transmission, inspect the (K856) 5 Volt Supply circuit between the Vehicle Speed Sensor harness connector and the PCM harness connector. Inspect all PCM power and ground circuits. Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the PCM in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

Scheme 414

1. When Monitored: With the ignition on.

1. Set Condition: The PCM detects an excessive voltage variation on the 5 volt supply circuit.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 415

Scheme 416

Scheme 417

Scheme 418

Scheme 419

1. DTC IS ACTIVE Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (K858) 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the APP Sensor harness connector. Turn the ignition on. Measure the voltage of the (K858) 5 Volt Supply circuit in the APP Sensor harness connector. Select the appropriate response from the list below: Voltage above 5.2 volts Repair the (K858) 5 Volt Supply circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . Voltage between 4.8 and 5.2 volts Go to 3 . Voltage below 4.8 volts Go to 4 .
3. ACCELERATOR PEDAL POSITION SENSOR Turn the ignition off. Connect the APP Sensor harness connector. Disconnect the Camshaft 1/1 Position Sensor harness connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit in the Camshaft 1/1 Position Sensor harness connector. Is the voltage below 4.8 volts? Yes Replace the Accelerator Pedal Position Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
4. CAMSHAFT 1/1 POSITION SENSOR Turn the ignition off. Disconnect the Camshaft 1/1 Position Sensor harness connector. Turn the ignition on. Measure the voltage of the (K858) 5 Volt Supply circuit in the APP Sensor harness connector. Is the voltage above 4.8 volts? Yes Replace the Camshaft 1/1 Position Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 5 .
5. MAP SENSOR Turn the ignition off. Disconnect the MAP Sensor harness connector. Turn the ignition on. Measure the voltage of the (K858) 5 Volt Supply circuit. Is the voltage above 4.8 volts? Yes Replace the MAP Sensor. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 6 .
6. MANIFOLD FLOW VALVE Turn the ignition off. Disconnect the Manifold Flow Valve harness connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit. Is the voltage above 4.8 volts? Yes Replace the Manifold Flow Valve in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 7 .
7. 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND NOTE: All sensors connected to the (K857) 5 volt supply circuit and the (K858) 5 volt supply circuit must be disconnected. Turn the ignition off. Disconnect the PCM harness connectors. Measure the resistance between ground and the (K857) 5 Volt Supply circuit. Measure the resistance between ground and the (K858) 5 Volt Supply circuit. Is the resistance above 1000 ohms for both circuits? Yes Go to 8 . No Repair the 5 Volt Supply circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
8. 5-VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE NOTE: All sensors connected to the (K857) 5 volt supply circuit and the (K858) 5 volt supply circuit must be disconnected. Turn the ignition off. Measure the resistance of the (K857) 5 Volt Supply circuit between the Camshaft 1/1 Position Sensor harness connector and the PCM harness connector. Measure the resistance of the (K857) 5 Volt Supply circuit between the MAP Sensor harness connector and the PCM harness connector. Measure the resistance of the (K857) 5 Volt Supply circuit between the Manifold Flow Valve harness connector and the PCM harness connector. Measure the resistance of the (K858) 5 Volt Supply circuit between the Accelerator Pedal Position Sensor harness connector and the PCM harness connector. Is the resistance below 5.0 ohms for all of the circuits? Yes Go to 9 . No Repair the 5 Volt Supply circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
9. POWERTRAIN CONTROL MODULE (PCM) Inspect the (K857) 5 Volt Supply circuit between the Camshaft 1/1 Position Sensor harness connector and the PCM harness connector. Inspect the (K857) 5 Volt Supply circuit between the MAP Sensor harness connector and the PCM harness connector. Inspect the (K857) 5 Volt Supply circuit between the Manifold Flow Valve harness connector and the PCM harness connector. Inspect the (K858) 5 Volt Supply circuit between the Accelerator Pedal Position Sensor harness connector and the PCM harness connector. Inspect all PCM power and ground circuits. Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the PCM in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: An attempt to program/write to the internal EEPROM failed. Also checks at power down. One Trip Fault. Three good trips to turn off the MIL.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on and battery voltage greater than 10 volts.

1. Set Condition: The SRI Mileage has not been programmed into the PCM.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition key on.

1. Set Condition: PCM compares the primary tank level with the secondary tank level. If the PCM detects the primary side is lower than the secondary side by a calibrated amount the DTC will set.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the engine running.

1. Set Condition: The Powertrain Control Module (PCM) detects an internal error.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the engine running, when the valve closes, below a calibrated RPM, depending upon pedal position.

1. Set Condition: The PCM detects that the position feedback of the Manifold Flow Valve Position Sensor is not within range of the adapted value learned during in-plant initialization or after a non volatile memory reset (adaptive memory clear).

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 420

Scheme 421

Scheme 422

Scheme 423

Scheme 424

Scheme 425

Scheme 426

Scheme 427

Scheme 428

Scheme 429

1. DTC IS ACTIVE Turn the ignition on. With the scan tool, clear DTCs. Start the engine and allow it to reach operating temperature. NOTE: It may be necessary to test drive the vehicle to get this DTC to reset. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (K857) 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the Manifold Flow Valve connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 7 . No Go to 3 .
3. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is there any voltage present? Yes Repair the (K857) 5 Volt Supply circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 4 .
4. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is the resistance above 1000 ohms? Yes Go to 5 . No Repair the (K857) 5 Volt Supply circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT Measure the resistance between the (K857) 5 Volt Supply circuit and the (K900) Sensor Ground circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 6 . No Repair the (K857) 5 Volt Supply circuit for a short to the (K900) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. (K857) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K857) 5 Volt Supply circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (K857) 5 Volt Supply circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
7. (K602) MFV SIGNAL CIRCUIT VOLTAGE Measure the voltage of the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 12 . No Go to 8 .
8. (K602) MFV SIGNAL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is there any voltage present? Yes Repair the (K602) MFV Signal circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
9. (K602) MFV SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 10 . No Repair the (K602) MFV Signal circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
10. (K602) MFV SIGNAL CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT Measure the resistance between the (K602) MFV Signal circuit and the (K900) Sensor Ground circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 11 . No Repair the (K602) MFV Signal circuit for a short to the (K900) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
11. (K602) MFV SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K602) MFV Signal circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (K602) MFV Signal circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
12. (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K900) Sensor Ground circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 13 . No Repair the (K900) Sensor Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
13. (K602) MFV SIGNAL CIRCUIT SHORTED TO THE (K857) 5 VOLT SUPPLY CIRCUIT Measure the resistance between the (K602) MFV Signal circuit and the (K857) 5 Volt Supply in the Manifold Flow Valve harness connector. Is the resistance below 100 ohms? Yes Repair the (K602) MFV Signal circuit for a short to the (K857) 5 Volt Supply circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 14 .
14. (Z916) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Using a 12 volt test light connected to 12 volts, check the (Z916) Ground circuit in the Manifold Flow Valve harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 15 . No Repair the (Z916) Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
15. MANIFOLD FLOW VALVE Turn the ignition off. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Manifold Flow Valve and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Remove the Manifold Flow Valve. Inspect the return spring and the valve blade assembly for debris stuck in the path or for frozen/seized blades. NOTE: Manifold Flow Valve over travel or under travel can cause this DTC to set. NOTE: If the Manifold Flow Valve blades are seized in the intake manifold, the manifold will have to be replaced. NOTE: If the Manifold Flow Valve is replaced, a non volatile memory reset must be performed to learn the new port flap adaptive values. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Manifold Flow Valve in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
16. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Manifold Flow Valve and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the engine running, when the valve opens, above a calibrated RPM depending upon pedal position.

1. Set Condition: The PCM detects that the position feedback of the Manifold Flow Valve Position Sensor is not within range of the adapted value learned during in-plant initialization or after a non volatile memory reset (adaptive memory clear).

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 430

1. DTC IS ACTIVE Turn the ignition on. With the scan tool, clear DTCs. Start the engine and allow it to reach operating temperature. NOTE: It may be necessary to test drive the vehicle to get this DTC to reset. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (K857) 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the Manifold Flow Valve connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 7 . No Go to 3 .
3. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is there any voltage present? Yes Repair the (K857) 5 Volt Supply circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 4 .
4. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K857) 5 Volt Supply circuit in the Manifold Flow Valve harness connector. Is the resistance above 1000 ohms? Yes Go to 5 . No Repair the (K857) 5 Volt Supply circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
5. (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT Measure the resistance between the (K857) 5 Volt Supply circuit and the (K900) Sensor Ground circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 6 . No Repair the (K857) 5 Volt Supply circuit for a short to the (K900) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. (K857) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K857) 5 Volt Supply circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (K857) 5 Volt Supply circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
7. (K602) MFV SIGNAL CIRCUIT VOLTAGE Measure the voltage of the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go to 12 . No Go to 8 .
8. (K602) MFV SIGNAL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is there any voltage present? Yes Repair the (K602) MFV Signal circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 9 .
9. (K602) MFV SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (K602) MFV Signal circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 10 . No Repair the (K602) MFV Signal circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
10. (K602) MFV SIGNAL CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT Measure the resistance between the (K602) MFV Signal circuit and the (K900) Sensor Ground circuit in the Manifold Flow Valve harness connector. Is the resistance above 100 ohms? Yes Go to 11 . No Repair the (K602) MFV Signal circuit for a short to the (K900) Sensor Ground circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
11. (K602) MFV SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K602) MFV Signal circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 16 . No Repair the (K602) MFV Signal circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
12. (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K900) Sensor Ground circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 13 . No Repair the (K900) Sensor Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
13. (K602) MFV SIGNAL CIRCUIT SHORTED TO THE (K857) 5 VOLT SUPPLY CIRCUIT Measure the resistance between the (K602) MFV Signal circuit and the (K857) 5 Volt Supply in the Manifold Flow Valve harness connector. Is the resistance below 100 ohms? Yes Repair the (K602) MFV Signal circuit for a short to the (K857) 5 Volt Supply circuit. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 14 .
14. (Z916) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Using a 12 volt test light connected to 12 volts, check the (Z916) Ground circuit in the Manifold Flow Valve harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 15 . No Repair the (Z916) Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
15. MANIFOLD FLOW VALVE Turn the ignition off. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Manifold Flow Valve and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Remove the Manifold Flow Valve. Inspect the return spring and the valve blade assembly for debris stuck in the path or for frozen/seized blades. NOTE: Manifold Flow Valve over travel or under travel can cause this DTC to set. NOTE: If the Manifold Flow Valve blades are seized in the intake manifold, the manifold will have to be replaced. NOTE: If the Manifold Flow Valve is replaced, a non volatile memory reset must be performed to learn the new port flap adaptive values. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace the Manifold Flow Valve in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
16. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Manifold Flow Valve and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .

1. When Monitored: With the engine running and battery voltage greater than 10.4 volts.

1. Set Condition: The PCM detects that the Manifold Flow Valve control circuit voltage is not within an acceptable range.

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 431

Scheme 432

Scheme 433

Scheme 434

1. DTC IS ACTIVE Turn the ignition on. With the scan tool, Clear DTCs in the Powertrain Control Module (PCM). Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Go to 2 . No Refer to the «*CHECKING FOR AN INTERMITTENT CONDITION»(ref-304395-S28853819902008110700000) Diagnostic Procedure.
2. (Z916) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Manifold Flow Valve connector. Using a 12 volt test light connected to 12 volts, check the (Z916) Ground circuit in the Manifold Flow Valve harness connector. NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery. Is the test light illuminated and bright? Yes Go to 3 . No Repair the (Z916) Ground circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
3. (K601) MFV CONTROL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Powertrain Control Module (PCM) connector. Turn the ignition on. Measure the voltage of the (K601) MFV Control circuit in the Manifold Flow Valve harness connector. Is there any voltage present? Yes Repair the (K601) MFV Control circuit for a short to voltage. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 4 .
4. (K601) MFV CONTROL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (K601) MFV Control circuit in the Manifold Flow Valve harness connector. Is the resistance below 100 ohms? Yes Repair the (K601) MFV Control circuit for a short to ground. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 5 .
5. (K601) MFV CONTROL CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K601) MFV Control circuit between the Manifold Flow Valve harness connector and the Powertrain Control Module (PCM) harness connector. Is the resistance below 5.0 ohms? Yes Go to 6 . No Repair the (K601) MFV Control circuit for an open circuit or high resistance. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .
6. MANIFOLD FLOW VALVE Connect the Powertrain Control Module (PCM) connector. Turn the ignition on. With the scan tool, actuate the Manifold Flow Valve control to the ON (100%) position. Using a 12 volt test light connected to ground, check the (K601) MFV Control circuit in the Manifold Flow Valve harness connector. NOTE: The test light should be illuminated and bright with the control actuated ON (100%). Compare the brightness to that of a direct connection to the battery. With the scan tool, actuate the Manifold Flow Valve control to OFF (0%). Using a 12 volt test light connected to 12 ground, check the (K601) MFV Control circuit in the Manifold Flow Valve harness connector. NOTE: The test light should not be illuminated with the control actuated OFF (0%). Is the test light illuminated and bright with the control actuated ON and not illuminated with the control actuated OFF? Yes Replace the Manifold Flow Valve in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Go to 7 .
7. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Manifold Flow Valve and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes Repair as necessary. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform «PCM VERIFICATION TEST»(ref-304396-S07357759032008110700000) .