Dtcs P060B to P1411: Other Dodge Magnum I

P060B-ETC A/D GROUND PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

Monitor Conditions

1. When Monitored: When the Throttle Motor is powered.

Set Conditions

1. Set Condition: When A to D reading does not return to ground within a set period of time of test activation, this fault sets. The test typically runs a couple of times per second, and is the reason why APP2 signal spikes to ground a couple of times per second in normal running. Reprogramming the module may not always fix this fault. ETC lamp will flash.

Possible Causes

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 402

1. 1) PROGRAM THE POWERTRAIN CONTROL MODULE Verify the PCM is at the latest calibration (flash level). NOTE: An intermittent loss of power to the PCM without performing an ETC Relearn procedure may cause this DTC to set. NOTE: Diagnose any other DTCs that may have set with the P060B. Flash the Powertrain Control Module if any updates are available. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Start the engine. Allow the engine to reach normal operating temperature. Operate the accelerator pedal. (do not exceed 3500 RPM) With a scan tool, read DTCs. Does this DTC reset by itself? Yes Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Test Complete.

P060D-ETC LEVEL 2 APP PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Throttle motor is powered and no matured faults related to APP Sensors.

1. Set Condition: When secondary software determines that APPS 1 and APPS 2 signals do not match for a period of time. ETC lamp will flash

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

P060E-ETC LEVEL 2 TPS PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Throttle motor is powered and no matured faults related to TP Sensors.

1. Set Condition: When secondary software determines that TPS 1 and TPS 2 signals do not match for a period of time. ETC lamp will flash.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

P060F-ETC LEVEL 2 ECT PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Throttle motor is powered and no matured faults related to the Engine Coolant Temp Sensor.

1. Set Condition: When secondary software determines that the Coolant Temperature is implausible for a period of time. ETC lamp will flash.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Throttle motor is powered.

1. Set Condition: When secondary software determines that the customer requested output is not being achieved by the engine for a period of time. ETC lamp will flash

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

P061C-ETC LEVEL 2 RPM PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Throttle motor is powered and no camshaft or crankshaft electrical signal related DTCs are set.

1. Set Condition: When secondary software determines that the engine speed is implausible for a period of time. ETC lamp will flash.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: With the ignition on. Engine running.

1. Set Condition: When the PCM tries to regulate the generator field with no result during monitoring. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 403

Scheme 404

Scheme 405

Scheme 406

Scheme 407

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTCs. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) .
2. 2) GENERATOR OPERATION Turn the ignition off. Disconnect the Generator Field harness connector. Using a 12-volt test light, jump it across the Generator Field harness connector. Ignition on, engine not running. With the scan tool, actuate the Generator Field Control circuit. Does the test light illuminate brightly and flash on and off? Yes Replace the Generator. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) . No Go To step 3) .
3. 3) (K20) GEN FIELD CIRCUIT SHORTED BATTERY VOLTAGE Turn the ignition off. Disconnect the PCM harness connectors. Ignition on, engine not running. Measure the voltage on the (K20) Gen Field Control circuit in the Generator Field harness connector. Is the voltage above 1.0 volt? Yes Repair the short to battery voltage in the (K20) Gen Field Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) . No Go To step 4) .
4. 4) (K20) GEN FIELD CIRCUIT OPEN Turn the ignition off. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (K20) Gen Field Control circuit from the Generator Field harness connector to appropriate terminal of the special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 5) . No Repair the open in the (K20) Gen Field Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) .
5. 5) (K20) GEN FIELD CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K20) Gen Field Control circuit in the Generator Field harness connector. Is the resistance below 100 ohms? Yes Repair the short to ground in the (K20) Gen Field Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) . No Go To step 6) .
6. 6) (Z20) GROUND CIRCUIT OPEN Measure the resistance between the (Z20) Ground circuit in the Gen Field harness connector and ground. Does the test light illuminate brightly? Yes Go To step 7) . No Repair the open in the (Z20) Ground circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 3»(ref-246912-S01404192392007011000000) .
7. 7) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) .

Scheme 408

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

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

1. Set Condition: An open or shorted condition is detected in the fuel pump relay control circuit. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 409

Scheme 410

Scheme 411

Scheme 412

Scheme 413

1. 1) FUEL PUMP RELAY OPERATION Ignition on, engine not running. With a scan tool, actuate the Fuel Pump Relay. Is the Fuel Pump Relay operating? Yes Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 2) .
2. 2) FUEL PUMP RELAY Turn the ignition off. Remove the Fuel Pump Relay from the IPM. Measure the resistance of the Fuel Pump Relay Coil. Is the resistance between 70 to 90 ohms? Yes Go To step 3) . No Replace the Fuel Pump Relay. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
3. 3) (F20) FUSED IGNITION SWITCH OUTPUT CIRCUIT Ignition on, engine not running. Using a 12-volt test light connected to ground, probe the (F20) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the open or short to ground in the (F20) Fused Ignition Switch Output circuit. Inspect the related fuse and repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) (A109) FUSED B+ CIRCUIT Ignition on, engine not running. Using a 12-volt test light connected to ground, probe the (A109) Fused B+ circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the open or short to ground in the (A109) Fused B+ circuit. Inspect the related fuse and repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
5. 5) (K31) CONTROL CIRCUIT OPEN Turn the ignition off. Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (K31) Fuel Pump Relay Control circuit from the IPM to the appropriate terminal of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 6) . No Repair the open in the (K31) Fuel Pump Relay Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
6. 6) (K31) CONTROL CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K31) Fuel Pump Relay Control circuit in the IPM. Is the resistance below 100 ohms? Yes Repair the short to ground in the (K31) Fuel Pump Relay Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 7) .
7. 7) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

P062C-ETC LEVEL 2 MPH PERFORMANCE

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Throttle motor is powered and no vehicle speed related DTCs have matured.

1. Set Condition: When secondary software determines that the vehicle speed is implausible for a period of time. ETC lamp will flash

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Ignition on.

1. Set Condition: The VIN has not been programmed into the PCM. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Ignition on.

1. Set Condition: Odometer is not programed into the PCM. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Ignition on.

1. Set Condition: The SKIM Key information has not been programmed into the PCM. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Ignition on.

1. Set Condition: When the PCM recognizes the Primary 5-volt Supply circuit voltage is too low. One Trip Fault. ETC light is flashing.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 414

Scheme 415

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTCs. NOTE: Improperly installed aftermarket accessories can cause this DTC to set. Check for wiring added by customer. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) (F855) PRIMARY 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the PCM harness connectors. Disconnect all the Sensors that share the (F855) Primary 5-volt Supply circuit. Measure the resistance between ground and the (F855) Primary 5-volt Supply circuit in the CKP Sensor harness connector. Is the resistance below 100 ohms? Yes Repair the short to ground in the (F855) Primary 5-volt Supply circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 3) .
3. 3) 5-VOLT SENSOR Turn the ignition off. Reconnect all the previously disconnected Sensors except for the CKP Sensor harness connector. Ignition on, engine not running. Measure the voltage on the (F855) Primary 5-volt Supply circuit in the CKP Sensor harness connector. Is the voltage below 4.5 volts? Yes Go To step 4) . No Replace the CKP Sensor. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) 5-VOLT SENSOR SHORTED TO GROUND Measure the voltage on the (F855) Primary 5-volt Supply circuit at the CKP Sensor harness connector. CAUTION: You must Turn the Ignition OFF when disconnecting any of the Sensor harness connectors and Turn the Ignition On to check the voltage readings. While monitoring the voltage, disconnect each Sensor harness connector that shares the (F855) Primary 5-volt Supply circuit, one at a time. NOTE: Reconnect all the Sensors and clear all trouble codes before continuing. Does the voltage increase above 4.5 volts when disconnecting any of the remaining Sensors? Yes Replace the Sensor that causes the (F855) Primary 5-volt Supply circuit voltage to increase when disconnected. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 5) .
5. 5) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

1. When Monitored: Ignition on.

1. Set Condition: When the PCM recognizes the Primary 5-volt Supply circuit voltage is too high. One Trip Fault. ETC light is flashing.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: With the ignition on. Battery voltage greater than 10 volts. A/C Switch on.

1. Set Condition: An open or shorted condition is detected in the A/C clutch relay control circuit. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 416

1. 1) A/C CLUTCH RELAY OPERATION Ignition on, engine not running. With a scan tool, actuate the A/C Clutch Relay. Is the A/C Clutch Relay operating? Yes Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) . No Go To step 2) .
2. 2) A/C CLUTCH RELAY RESISTANCE Turn the ignition off. Remove the A/C Clutch Relay from the IPM. Measure the resistance of the A/C Clutch Relay Coil. Is the resistance between 60 to 80 ohms? Yes Go To step 3) . No Replace the A/C Clutch Relay. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) .
3. 3) INTERNAL FUSED B+ CIRCUIT Ignition on, engine not running. Using a 12-volt test light connected to ground, probe the Internal Fused B+ circuit in the connection. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the open or short to ground in the Internal Fused B+ circuit. Check and replace any open fuses. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) .
4. 4) (C13) A/C CLUTCH RELAY CONTROL CIRCUIT OPEN Turn the ignition off. Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (C13) A/C Clutch Relay Control circuit from the relay connection to the appropriate terminal of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 5) . No Repair the open in the (C13) A/C Clutch Relay Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) .
5. 5) (C13) A/C CLUTCH RELAY CONTROL CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (C13) A/C Clutch Relay Control circuit at the IPM. Is the resistance below 5.0 ohms? Yes Repair the short to ground in the (C13) A/C Relay Clutch Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) . No Go To step 6) .
6. 6) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 2»(ref-246912-S19019061182007011000000) .

Scheme 417

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Ignition on.

1. Set Condition: When the PCM recognizes the Auxiliary 5-volt Supply circuit voltage is too low One Trip Fault. ETC light is flashing.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 418

Scheme 419

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTCs. NOTE: Improperly installed aftermarket accessories can cause this DTC to set. Check for wiring added by customer. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) (F856) AUXILIARY 5-VOLT SUPPLY SHORTED TO GROUND Turn the ignition off. Disconnect the PCM harness connectors. Disconnect all the Sensors that share the (F856) Auxiliary 5-volt Supply circuit. Measure the resistance between ground and the (F856) Auxiliary 5-volt Supply circuit in the CMP Sensor harness connector. Is the resistance below 100 ohms? Yes Repair the short to ground in the (F856) Auxiliary 5-volt Supply circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 3) .
3. 3) CMP SENSOR Turn the ignition off. Reconnect all the previously disconnected Sensors except for the CMP Sensor harness connector. Ignition on, engine not running. Measure the voltage on the (F856) Auxiliary 5-volt Supply circuit in the CMP Sensor harness connector. Is the voltage below 4.5 volts? Yes Go To step 4) . No Replace the Cam Position Sensor. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) INTERNAL SENSOR SHORTED Measure the voltage on the (F856) Auxiliary 5-volt Supply circuit at the CMP Sensor harness connector. CAUTION: You must Turn the Ignition OFF when disconnecting any of the Sensor harness connectors and Turn the Ignition On to check the voltage readings. While monitoring the voltage, disconnect each Sensor harness connector that shares the (F856) Auxiliary 5-volt Supply circuit, one at a time. Does the voltage increase above 4.5 volts when disconnecting any of the Sensor harness connectors? Yes Replace the Sensor that causes the (F856) Auxiliary 5-volt Supply circuit voltage to increase when disconnected. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 5) .
5. 5) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

1. When Monitored: Ignition on.

1. Set Condition: When the PCM recognizes the Auxiliary 5-volt Supply circuit voltage is too high. One Trip Fault. ETC light is flashing.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: With the ignition on. ASD Relay energized. Battery voltage greater than 10 volts.

1. Set Condition: The PCM senses the MTV in not at the desired state. One Trip Fault.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 420

Scheme 421

Scheme 422

Scheme 423

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTC. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) MANIFOLD TUNE VALVE SOLENOID OPERATION Turn the ignition off. Disconnect the MTV Solenoid harness connector. Ignition on, engine not running. Using a 12-volt test light, connect one end to the (K136) MTV Control circuit and the other end the (Z904) Ground circuit in the MTV Solenoid harness connector. With the scan tool, actuate (Toggle) the MTV Solenoid. Does the test light illuminate brightly and flash on and off? Yes Replace the Manifold Tune Valve Solenoid. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 3) .
3. 3) MTV SOLENOID (Z904) GROUND CIRCUIT OPEN Measure the resistance between the Ground circuit in the MTV Solenoid harness connector and ground. Is the resistance below 5.0 ohms? Yes Go To step 4) . No Repair the open in the MTV Solenoid Ground circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) (K136) MTV CONTROL CIRCUIT SHORT TO BATTERY VOLTAGE Turn the ignition off Disconnect the PCM harness connectors. Turn the ignition on. Measure the voltage of the (K136) MTV Control circuit in the MTV Solenoid harness connector. Does the voltage indicate voltage present? Yes Repair the short to voltage in the (K136) MTV Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 5) .
5. 5) (K136) MTV CONTROL CIRCUIT SHORT TO GROUND Turn the ignition off. Measure the resistance between the (K136) MTV Control circuit in the MTV Solenoid harness connector and ground. Is the resistance below 5.0 ohms? Yes Repair the short to ground in the (K136) MTV Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 6) .
6. 6) (K136) MTV CONTROL CIRCUIT OPEN CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (K136) MTV Control circuit between from the MTV Solenoid harness connector to the appropriate terminal of the special tool. Is the resistance below 5.0 ohms? Yes Go To step 7) . No Repair the open in the (K136) MTV Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . Go To step 7) .
7. 7) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

Scheme 424

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: With ignition on. Battery voltage above 10 volts.

1. Set Condition: An open or shorted condition is detected in the ASD relay control circuit. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 425

Scheme 426

Scheme 427

1. 1) ASD RELAY OPERATION Ignition on, engine not running. With a scan tool, actuate the ASD Relay. Is the ASD Relay operating? Yes Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 2) .
2. 2) (A922) FUSED B+ CIRCUITS Turn the ignition off. Remove the ASD Relay from the IPM. Using a 12-volt test light connected to ground, probe the (A922) Fused B+ circuits in the IPM. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the open or short to ground in the (A922) Fused B+ circuits. Inspect and replace any open fuses. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
3. 3) ASD RELAY Measure the resistance of the ASD Relay Coil. Is the resistance between 60 to 80 ohms? Yes Go To step 4) . No Replace the ASD Relay. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) (K51) ASD RELAY CONTROL CIRCUIT OPEN Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (K51) ASD Relay Control circuit from the IPM to the appropriate terminals of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 5) . No Repair the open in the (K51) ASD Relay Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
5. 5) (K51) ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K51) ASD Relay Control circuit in the IPM. Is the resistance below 100 ohms? Yes Repair the short to ground in the (K51) ASD Relay Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 6) .
6. 6) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

1. When Monitored: With ignition key on. Battery voltage greater than 10 volts.

1. Set Condition: No voltage sensed at the PCM when the ASD relay is energized. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 428

1. 1) VERIFY ASD DTC NOTE: Diagnose «P0685-AUTO SHUTDOWN RELAY CONTROL CIRCUIT»(ref-246957-S16847979462007011000000) first if it set along with this DTC. With a scan tool, erase the DTC. Attempt to start the engine. If the engine will not start, crank the engine for at least 15 seconds. It may be necessary to repeat several times. Does the DTC reset? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) ENGINE OPERATION Attempt to start the engine. Does the engine start? Yes Go To step 3) . No Go To step 4) .
3. 3) (A955) ASD RELAY OUTPUT CIRCUIT OPEN Turn the ignition off. Remove the ASD Relay. Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (A955) ASD Relay Output circuit from the Relay connection to the appropriate terminals of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 7) . No Repair the open in the (A955) ASD Relay Output circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) ASD RELAY Turn the ignition off. Install a substitute relay in place of the ASD Relay. Ignition on, engine not running. With a scan tool, erase DTCs. Attempt to start the engine. With a scan tool, read DTCs. Does the DTC reset? Yes Go To step 5) . No Replace the ASD Relay. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
5. 5) (A922) FUSED B+ CIRCUITS Turn the ignition off. Using a 12-volt test light connected to ground, probe the (A922) Fused B+ circuits at the Relay connection. Does the test light illuminate brightly? Yes Go To step 6) . No Repair the open or short to ground in the (A922) Fused B+ circuits. Inspect the related fuse and repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
6. 6) (A955) RELAY OUTPUT CIRCUIT OPEN Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (A955) ASD Relay Output circuit from the Relay connection to the appropriate terminals of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 7) . No Repair the open in the (A955) ASD Relay Output circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
7. 7) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

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

1. Set Condition: An active DTC is stored in the TCM. One Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

1. When Monitored: Ignition on.

1. Set Condition: When the PCM recognizes Brake Switch No.2 voltage is not equal to the applied value at the PCM when Brake Switch No.1 is applied. This could be a normal condition. If this condition is seen repeatedly by the PCM the fault is set. Cruise will not work for the rest of the key cycle.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 429

Scheme 430

Scheme 431

Scheme 432

Scheme 433

Scheme 434

Scheme 435

Scheme 436

1. 1) ACTIVE DTC NOTE: Make sure the Stop Lamp Switch is adjusted properly before continuing. NOTE: Make sure the Stop Lamp Switch is properly wired, such as (B29) Brake Switch No.1 and (L50) Brake Lamp Switch Output are not switched at the harness connector. Ignition on, engine not running. With a scan tool, read DTCs. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) .
2. 2) (A103) FUSED B+ CIRCUIT Turn the ignition off. Disconnect the Stop Lamp Switch harness connector. Using a 12-volt test light connected to ground, probe the (A103) Fused B+ circuit in the Stop Lamp Switch harness connector. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the open or short to ground in the (A103) Fused B+ circuit. Inspect the related fuse and repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) .
3. 3) STOP LAMP SWITCH Turn the ignition off. Measure the resistance between the (A103) Fused B+ circuit terminal and the (L50) Brake Lamp Switch Output terminal in the Stop Lamp Switch. Measure the resistance between the (Z429) Ground circuit terminal and the (K29) Brake Switch No.1 Signal terminal in the Stop Lamp Switch. Apply and release the brake pedal while monitoring the ohmmeter. Does the resistance change from below 5.0 ohms to open circuit for each circuit check? Yes Go To step 4) . No Replace the Stop Lamp Switch. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) .
4. 4) (L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE Disconnect the PCM harness connectors. Measure the voltage on the (L50) Brake Lamp Switch Output circuit in the Stop Lamp Switch harness connector. Ignition on, engine not running. Is the voltage above 1.0 volt? Yes Repair the short to battery voltage in the (L50) Brake Lamp Switch Output circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) . No Go To step 5) .
5. 5) (L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (L50) Brake Lamp Switch Output circuit from the Stop Lamp Switch harness connector to the C1 FCM harness connector. Is the resistance below 5.0 ohms? Yes Go To step 6) . No Repair the open in the (L50) Brake Lamp Switch Output circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) .
6. 6) (L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (L50) Brake Lamp Switch Output circuit in the Stop Lamp Switch harness connector. Is the resistance below 5.0 ohms? Yes Repair the short to ground in the (L50) Brake Lamp Switch Output circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) . No Go To step 7) .
7. 7) (B29) BRAKE SWITCH NO.1 SIGNAL CIRCUIT OPEN Measure the resistance of the (B29) Brake Switch No.1 Signal circuit from the Stop Lamp Switch harness connector to the appropriate terminal of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 8) . No Repair the open in the (B29) Brake Switch No.1 Signal circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 4»(ref-246912-S04736048862007011000000) .
8. 8) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

1. When Monitored: Continuously with the transmission in Park, Neutral, or Drive and NOT in Limp-in mode.

1. Set Condition: This code will set if the PCM detects an incorrect Park/Neutral switch state for a given mode of vehicle operation. One trip fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

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

1. Set Condition: Ambient Air, Engine Coolant, and Intake Air Temp sensor inputs are compared under cold start conditions. After start up the temp readings are monitored. If two of the three readings agree and the third doesn't, a DTC is stored. Two Trip Fault. Three good trips to turn off the MIL.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 437

Scheme 438

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read the DTCs. NOTE: All ECT, Intake Air, and Ambient Air Temperature Sensor codes must be diagnosed and repaired before continuing. NOTE: In cold weather, this DTC could be set by a non-OEM approved block heater and no repair would be required. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) TEMPERATURE SENSOR CIRCUIT With a scan tool, read the ECT, Ambient Air Temp, and Intake Air Temp Sensor temp values. Start the engine. Allow the engine to reach normal operating temperature while monitoring the three Sensor temperature values. Is the temperature for each of the Sensors increasing properly? Yes Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 3) .
3. 3) TEMPERATURE SENSOR Ignition on, engine not running. Disconnect the suspected faulty sensor. Connect a jumper wire between the Sensor Signal circuit and the (K900) Sensor ground circuit. With the scan tool, read the voltage of the suspected Sensor. NOTE: Remove the jumper wire before continuing. Did the voltage reading start at 4.8 to 5.0 volts and decrease to 0 volts when the jumper wire was installed? Yes Replace the faulty Sensor. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 4) .
4. 4) EXCESSIVE RESISTANCE IN THE TEMPERATURE SENSOR SIGNAL CIRCUIT Turn the ignition off. Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the Sensor Signal circuit from the Sensor harness connector to the appropriate terminal of special tool #8815. Is the resistance above 5.0 ohms. Yes Repair the excessive resistance in the Temperature Sensor Signal circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 5) .
5. 5) EXCESSIVE RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT Measure the resistance of the (K900) Sensor ground circuit from the Sensor harness connector to the appropriate terminal of special tool #8815. Is the resistance above 5.0 ohms. Yes Repair the excessive resistance in the (K900) Sensor ground circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 6) .
6. 6) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

Scheme 439

For the Engine circuit diagram (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .

1. When Monitored: Transition from 8 to 4 cylinder mode.

1. Set Condition: The MDS fails to active and take place for cylinder 1.

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

Scheme 440

Scheme 441

Scheme 442

Scheme 443

1. 1) ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTCs. Is the DTC active at this time? Yes Go To step 2) . No Refer to «INTERMITTENT CONDITION»(ref-246952-S29354200532007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
2. 2) MDS SOLENOID NO.1 Turn the ignition off. Gain access to the MDS Solenoid No.1. Disconnect the MDS Solenoid No.1 harness connector. Ignition on, engine not running. Turn off all accessories. Using a 12-volt test light connected to the (Z904) Ground circuit, probe the (K451) MDS Solenoid No.1 Control circuit. With a scan tool, actuate the MDS Solenoid 1. Does the 12-volt test light flash on and off? Yes Go To step 7) . No Go To step 3) .
3. 3) (Z904) GROUND CIRCUIT OPEN Turn the ignition off. Using a 12-volt test light connected to the 12-volts, probe the (Z904) Ground circuit in the MDS Solenoid No.1 harness connector. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the open in the (Z904) Ground circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) (K451) MDS SOLENOID NO.1 CONTROL CIRCUIT SHORTED TO GROUND Disconnect the PCM harness connector. Measure the resistance between ground and the (K451) MDS Solenoid No.1Control circuit in the MDS Solenoid No.1 harness connector. Is the resistance below 100 ohms? Yes Repair the short to ground in the (K451) MDS Solenoid No.1 Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Go To step 5) .
5. 5) (K451) MDS SOLENOID NO.1 CONTROL CIRCUIT OPEN CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Measure the resistance of the (K451) MDS Solenoid No.1 Control circuit from the MDS Solenoid No.1 harness connector to the appropriate terminal of special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 6) . No Repair the open in the (K451) MDS Solenoid No.1 Control circuit. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
6. 6) PCM NOTE: Before continuing, check the PCM 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 there any problems found? Yes Repair as necessary. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
7. 7) MDS SOLENOID 1 Turn the ignition off. Remove the Intake Manifold per Service Information. Reconnect the Solenoid connector. Turn the ignition on. With the scan tool actuate the MDS Solenoid 1. Can you feel and hear the Solenoid Actuating? Yes Go To step 8) . No Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 1. If the passages are not clogged with debris, replace the MDS Solenoid 1.
8. 8) OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 1 of the engine block. Remove the Bank 1 Cylinder Head per Service Information. Remove the Lifters from the left engine bank. Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. No Replace both sets of lifters if no other possible causes remain.