Engine Controls - PCM Verification Test, Checking for an Intermittent DTC, Pcm/tcm Programming & Pre-Diagnostic Troubleshooting Procedure - Ngc: Diagnosis Dodge Journey I

Diagnostic Test

1. SELECTING THE PROPER VERIFICATION TEST The following verification test are for different repairs. Select the appropriate Verification test for the repair that has been completed. If the battery was disconnected for any reason, you must perform the «BATTERY SYSTEM»(ref-352864) Reconnection procedure. Speed Control repair Go to step 2 Charging System repair Go to step 3 EVAP System repair Go to step 4 All other repairs Go to step 5
2. SPEED CONTROL VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM, or Throttle Body Assembly have been replaced, use the scan tool to perform the ETC RELEARN function. NOTE: After completing the Powertrain Verification Test, the Transmission Verification Test must be performed. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Wireless Control Module (WCM) or Wireless Ignition Node (WIN). NOTE: If the vehicle is equipped with a Sentry Key Remote Entry, Secret Key data must be updated. Refer to the Service Information for the PCM, WCM/WIN, and the Transponder (ignition key) for programming information. Using the scan tool, program the Secret Key information into the PCM using the PCM replaced function under the WCM menu. Inspect the vehicle to verify that all engine components are properly installed and connected. Reassemble and reconnect components as necessary. Using the scan tool, erase DTCs. Road test the vehicle at a speed above 60 km/h (35 MPH). Turn the speed control ON (if equipped, the cruise light will be on). Depress and release the SET Switch when the vehicle speed is greater than 56 km/h (35 mph). The speed control should engage and hold the selected speed. Press and hold the RESUME/ACCEL Switch. The vehicle speed should increase by at least 3 km/h (2 mph). Press and hold the COAST switch. The vehicle speed should decrease. Using caution, press and release the brake pedal. The speed control should disengage. Bring the vehicle speed back up to 56 km/h (35 mph). Press the RESUME/ACCEL switch. The speed control should resume the previously set speed. Hold down the SET switch. The vehicle should decelerate. Make sure vehicle speed is greater than 56 km/h (35 mph) and release the SET Switch. The vehicle should adjust and set a new vehicle speed. Press and release the CANCEL switch. The speed control should disengage. Bring the vehicle speed back up above 56 km/h (35 mph) and engage speed control. Turn the Speed Control Off. (if equipped, the cruise light will be off). The speed control should disengage. Did the Speed Control pass the above test? Yes Repair is complete. No Check for any related Technical Service Bulletins and see «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353673) and perform the appropriate diagnostic procedure.
3. CHARGING SYSTEM VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the ETC RELEARN function. NOTE: After completing the Powertrain Verification Test, the Transmission Verification Test must be performed. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Wireless Control Module (WCM) or Wireless Ignition Node (WIN). NOTE: If the vehicle is equipped with a Sentry Key Remote Entry, Secret Key data must be updated. Refer to the Service Information for the PCM, WCM/WIN and the Transponder (ignition key) for programming information. Using the scan tool, program the Secret Key information into the PCM using the PCM replaced function under the WCM menu. Inspect the vehicle to make sure that all components related to the repair are properly installed and connected. Using the scan tool, erase DTCs. Perform generator output test. Refer to the appropriate Service Information as necessary. Start the engine and set engine speed to 2000 RPM for at least thirty seconds. Cycle the ignition key off and on. Using the scan tool, read the DTCs. Are any DTCs or symptoms remaining? Yes Check for any Technical Service Bulletins and see «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353673) and perform the appropriate diagnostic procedure. No Repair is complete.
4. EVAPORATIVE EMISSION VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the ETC RELEARN function. Install the Evaporative Emission Leak Detector (EELD) 8404A according to the instructions in the previous DTC table. Set the smoke/air control switch to AIR. Insert the tester's AIR supply tip (clear hose) into the appropriate calibration orifice on the tester's control panel (based on DTC leak size). Press the remote smoke/air start button. Position the red flag on the air flow meter so it is aligned with the indicator ball. When the calibration is complete, release the remote button. The EELD flow meter is now calibrated in liters per minute to the size of leak indicated by the DTC set in the PCM. Install the service port adapter 8404-14 on the vehicle's service port. Connect the Air supply hose from the EELD to the vehicle. Press the remote button to activate AIR flow. NOTE: Larger volume fuel tanks, lower fuel levels or if the vehicle is equipped with a Flow Management Valve may indicate high flow and will require four to five minutes to fill. Compare the flow meter indicator ball reading to the red flag. ABOVE the red flag indicates a leak present. BELOW the red flag indicates a sealed system. If the indicator ball shows a leak present, perform the smoke test indicated in the previous test and identify the leak and repair. Perform this verification test when the repair is complete. Did the indicator ball indicate the a leak is present? Yes Repeat the DTC test to identify the leak and repair. No Repair is complete.
5. POWERTRAIN VERIFICATION TEST NOTE: After completing the Powertrain Verification Test, the Transmission Verification Test must be performed. NOTE: The Cam/Crank Variation Relearn must be performed any time there has been a repair or replacement made to a powertrain system. For example: flywheel, valvetrain, camshaft sensors and components, or crankshaft sensors and components. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Wireless Control Module (WCM) or Wireless Ignition Node (WIN). NOTE: If the vehicle is equipped with a Sentry Key Remote Entry, Secret Key data must be updated. Refer to the Service Information for the PCM, WCM/WIN and the Transponder (ignition key) for programming information. Using the scan tool, program the Secret Key information into the PCM using the PCM replaced function under the WCM menu. NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the ETC RELEARN function. NOTE: When replacing an O2 Sensor, the PCM RAM memory must be cleared, either by disconnecting the PCM C1 connector or momentarily disconnecting the Battery negative terminal. The PCM learns the characteristics of each O2 heater element and these learned values should be cleared when installing a new O2 sensor. The customer may experience driveability issues if this is not performed. Inspect the vehicle to make sure that all engine components are properly installed and connected. Reassemble and reconnect components as necessary. Connect the scan tool to the data link connector. Make sure the fuel tank has at least a quarter tank of fuel. Turn off all accessories. If the Catalyst was replaced, with the scan tool select "Catalyst Replaced" under the Miscellaneous Menu Option. If a repair/replacement was made to a powertrain system, with the scan tool select the "Cam Crank Relearn" procedure under PCM Miscellaneous Menu Option. If a Comprehensive Component DTC was repaired, perform steps 9- 11. If a Major OBDII Monitor DTC was repaired skip those steps and continue verification. After the ignition has been off for at least 10 seconds, restart the vehicle and run two minutes. Using the scan tool, monitor the appropriate pre-test enabling conditions until all conditions have been met. Once the conditions have been met, switch screen to the appropriate OBDII monitor, (Audible beeps when the monitor is running). If the repaired OBDII DTC has reset or was seen in the monitor while on the road test, the repair is not complete. Check for any related technical service bulletins or flash updates and see «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353673) and perform the appropriate diagnostic procedure. If the conditions cannot be duplicated, erase all DTCs with the scan tool. If another DTC has set. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353673) and follow the path specified for that DTC. Did the OBDII Monitor run successfully and has the Good Trip Counter changed to one or more? Yes Repair is complete. No Check for any related Technical Service Bulletins and see «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353673) and perform the appropriate diagnostic procedure.

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

1. CHECKING FOR AN INTERMITTENT DTC 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 may result in possible serious or fatal injury. 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 PCM Pinout Box 8815 to perform diagnosis. The conditions necessary to set this DTC are not present at this time. Review the scan tool environmental data and Freeze Frame. If possible, try to duplicate the conditions under which the DTC set. If applicable, actuate the component with the scan tool. Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors. Look for the data to change other than as expected, the actuation to be interrupted, or for the DTC to reset during the wiggle test. Refer to any Technical Service Bulletins (TSBs) that may apply. Turn the ignition off. Visually inspect the related wire harness. Disconnect all the related harness connectors. Look for any chafed, pierced, pinched, partially broken wires and broken, bent, pushed out, or corroded terminals. Perform a voltage drop test on the related circuits between the suspected component and the PCM. Inspect and clean all PCM, engine, and chassis grounds that are related to the most current DTC. If multiple trouble codes were set, use a schematic and inspect any common ground or supply circuits. For intermittent misfire DTCs check for restrictions in the intake and exhaust system, proper installation of all sensors, vacuum leaks, and binding components that are run by the accessory drive belt. Use the scan tool to perform a system test if one applies to the component. A co-pilot, data recorder, and/or lab scope should be used to help diagnose intermittent conditions. Were any problems found during the above inspections? Yes Repair as necessary in accordance with the Service Information. Perform the PCM Verification Test. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353664-S27245307032010011200000) No Test Complete.

REPAIR PROCEDURE - wiTECH™ Diagnostic Application

Note. If this flash process is interrupted or aborted, the flash should be restarted.

1. Open the hood of the vehicle and install a battery charger. Verify that the charging rate provides a continuous charge of 13.2 - 13.5 volts.
2. Connect the wiTECH™ Vehicle Connection Interface (VCI) pod to the vehicle data link connector located under the steering column and turn the ignition key to the "RUN" position.
3. Launch the wiTECH™ Diagnostic Application and connect to the appropriate wiTECH™ device.
4. From the wiTECH™ Diagnostic Application Home screen, Select "HELP" Select "HELP CONTENTS" Follow the correct "HELP TOPIC" for the ECU being programmed

1. NO RESPONSE NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Does the scan tool display a Vehicle Network problem or NO RESPONSE condition? Yes Refer to the appropriate BUS Communication test in «ELECTRONIC CONTROL MODULES - SERVICE INFORMATION»(ref-352862) . No Go to step 2
2. NO START Does the vehicle have a NO START condition? Yes Check the vehicle for any DTC(s), including Vehicle Theft Security related DTC(s), that may cause a no-start condition. If no DTC(s) are present that relate to a no-start condition, refer to the Non DTC Diagnostic Procedures that relate to Fuel and Starting. No Go to step 3
3. VEHICLE REPAIR HISTORY AND TSB(s) Check the vehicle repair history for repairs that may relate to the current condition. Inspect the vehicle for aftermarket accessories that may have been installed incorrectly. Check for any TSB(s) related to the condition or DTC(s). If a TSB applies, follow the procedure outlined in the TSB. Select the appropriate response for the condition that applies: Performing a TSB procedure repaired the condition. Test Complete. Perform the PCM Verification Test. A DTC is present, no TSB applies, or the TSB didn't repair the condition. Go to step 4 No DTC(s) or conditions are present. Refer to the «CHECKING FOR AN INTERMITTENT DTC»(ref-353664-S12832504332010011200000) Diagnostic Procedure.
4. VEHICLE INSPECTION WARNING: When the engine is operating, do not stand in a direct line with the fan. Do not put your hands near pulleys, belts or fan. Do not wear loose clothing. Based on the diagnostic condition that applies, review the following list and perform any tests that relate to the condition: If multiple DTCs are set in the PCM, review the wiring schematics for problems in any shared supply or ground circuits. Refer to the diagnostic procedure for Checking the PCM Power and Ground Circuits. Inspect the air intake system and related tubes for damage, restriction, or poor connection. Inspect the exhaust system and related tubes for damage, restriction, or poor connection. Remove and inspect the Air Filter for excessive dirt and debris which may cause an air flow restriction. If the PCM detects and stores a DTC, the PCM also stores the environmental conditions under which the DTC was set. Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may assist when checking for an active DTC. With the scan tool, Clear the stored DTC(s). Attempt to duplicate the environmental conditions under which the DTC was set. Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the vehicle conditions under which the DTC conditions will be monitored. Operate the vehicle under those conditions. Using the «SYSTEM WIRING DIAGRAMS»(ref-313026) as a guide, inspect the wiring and connectors between the component and the module. If the DTC(s) are fuel or air related, check the fuel level and quality. Were any repairs made that corrected the DTC or condition? Yes Test complete. Perform the PCM Verification Test. No Refer to the diagnostic test procedure related to the DTC.