Electronic Control Modules - Service Information: Other Dodge Dart PF

FLASH PROGRAMMING

Note. The wiTECH diagnostic application is the preferred method for flashing ECUs.

Note. Help using the wiTECH diagnostic application for flashing an ECU is available by selecting "Help" then "Help Contents" at the top of the wiTECH diagnostic application window.

Note. The wiTECH software level must be at the latest release to perform this procedure.

Note. The StarMobile Desktop Client may also be used to perform this flash procedure.

FOBIK PROGRAMMING

The Radio Frequency Hub (RF-Hub) may be programmed to recognize up to a total of eight FOBIKs. When replacing or adding a FOBIK, the integrated key must be cut to match the door lock cylinder in the vehicle for which it will be used. Once an additional or new key has been cut, the RF-Hub must be programmed to recognize it as a valid FOBIK. When programming a FOBIK it may be necessary to have the vehicle PIN. Follow the instructions on the scan tool screen.

Note. All FOBIKs that are to be used in this vehicle must remain on the front seat near the center console but behind the shifter.

Note. Do not put a Laptop or any wireless device (cell phone, audio device, etc.) on top of or near the center console. The RF Antenna is below the console.

1. Turn the ignition on.
2. With the scan tool select RFH.
3. Go to "View", select "Data" tab. Verify "Number of Key/Fob programmed" to make sure programmed FOBIKs do not exceed eight
4. Turn the ignition to the off/lock position. The ignition must be left off throughout this procedure on vehicles equipped with the RF-Hub.
5. With the scan tool select; "Misc. Functions" "Program Ignition FOBIKs". NOTE: Premium System (KIN) - When programming a FOBIK, hold it near or on the center console top. When you are instructed to "Press the Unlock button" it is important that you do not hold the button. Press it One time quickly. NOTE: Baseline System (IGNM) - When programming a FOBIK, place the new, un-programmed FOBIK into the ignition, leave in the LOCK position.
6. Have the Sentry Key PIN available as this will be required to be entered into the scan tool.
7. Press "Continue" and follow the instructions on the screen.
8. When the programming is completed the screen will display "Programming of Ignition FOBIK successful, continue to program another or close". Select "Close" or "Continue" to program another FOBIK.
9. Verify successful programming by removing the FOBIK (IGNM) from the ignition and pressing the various buttons to verify operation. Vehicle should unlock. Go to RFH "View", select "Data" tab to verify "Number of key/FOBIK programmed" equal the new Programmed FOBIK count.

MODULE PROXI REQUIREMENTS

Note. When replacing a module, a PROXI Alignment Procedure may need to be completed for that module. The PROXI Alignment Procedure is needed to learn the PROXI Configuration from the BCM. This PROXI information configures the modules based on the content of the vehicle. Refer to the table below for the list of which modules do and do not require the PROXI Alignment Procedure.

MODULE PROXI REQUIREMENTS TABLE

Note. Some modules require several steps to replace the ECU. See the appropriate ECU replacement procedure information for a full list of replacement steps.

PROGRAM THE BCM (BODY CONTROL MODULE)

Note. After installing a brand new BCM, the scan tool will be unable to identify the vehicle. Manual VIN entry into the scan tool must be used to continue scan tool communication.

1. Turn the ignition on.
2. With the scan tool, perform the following procedure in the BCM Miscellaneous Functions: Restore BCM PROXI Configuration*. NOTE: NOTE: The Restore BCM PROXI Configuration uses the VIN and sales code information from DealerCONNECT to reconfigure the vehicle. After running the Restore BCM PROXI Configuration, the scan tool will restart to begin a new diagnostic session with the vehicle.
3. If instructed by the scan tool, run the following procedure in the BCM Miscellaneous Functions: PROXI Configuration Alignment*.
4. With the scan tool, perform the following procedure in the RFH Miscellaneous Functions: BCM Replaced*.

* - Denotes that a user message indicating that the scan tool procedure is required may automatically display to the technician during the tool connection process

Note. Customer programmable features in the BCM may need to be reset back to the customers preferred settings.

PROGRAM THE IPC (INSTRUMENT PANEL CLUSTER)

1. Connect the scan tool.
2. Turn the ignition ON to the RUN position (engine not running).
3. With the scan tool, clear all DTCs.
4. Turn ignition OFF then ON to the RUN position and confirm DTCs are cleared.
5. If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to align the PROXI configuration data into the new ECU. Follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under Body Control Module (BCM) Miscellaneous Functions menu.
6. With the scan tool under RF Hub (RFH), under Miscellaneous Functions menu, "Update Front and Rear Axle Nominal Tire Pressure Values" to program the tire pressure threshold values.

PROGRAMMING THE PCM

The secret key is an ID code that is unique to each KIN. This code is programmed and stored in the KIN, the PCM, and each ignition key transponder chip. When the PCM or KIN is replaced, it is necessary to program the Secret Key Code into the new module using a diagnostic scan tool. Follow the programming steps outlined in the diagnostic scan tool for PCM REPLACED , KIN REPLACED , or BCM REPLACED under MISCELLANEOUS FUNCTIONS for the KEYLESS IGNITION NODE menu item as appropriate.

Note. Programming the PCM or KIN is done using a diagnostic scan tool and a PIN to enter secure access mode. If three attempts are made to enter secure access mode using an incorrect PIN, secure access mode will be locked out for one hour. To exit this lockout mode, turn the ignition to the RUN position for one hour and then enter the correct PIN. Be certain that all accessories are turned OFF. Also, monitor the battery state and connect a battery charger if necessary.

Note. If you are also replacing the KIN and/or Ignition Keys/FOBIKS refer to the module/programming order replacement guide before starting. Refer to STANDARD PROCEDURE .

1. Connect a battery charger to the vehicle.
2. Connect the scan tool.
3. Have a unique vehicle PIN readily available before running the routine.
4. Ignition key should be in RUN position.
5. Select "ECU View".
6. Select "KIN".
7. Select "Miscellaneous Functions."
8. Select "PCM Replaced".
9. Enter the PIN when prompted.
10. Verify the correct information.
11. Cycle ignition key after the successful routine completion.

PROGRAMMING THE RF-HUB

Note. If a BCM is also going to be replaced at this time, check the "RF-HUB, BCM, FOBIK REPLACEMENT AND PROGRAMMING ORDER GUIDE" before proceeding. Refer to STANDARD PROCEDURE .

Note. Do not put a laptop or any wireless device (cell phones, audio devices etc.) near the top of the center console (the RKE antenna is located below the center console).

1. After the RF-Hub has been replaced with new unit, connect the diagnostic scan tool to the Data Link Connector (DLC).
2. Turn the ignition ON
3. Navigate to the RF-Hub (RFH) in the "Vehicle View" of the diagnostic scan tool.
4. Turn the ignition OFF
5. Put all the FOBiKs used in this vehicle on the front seat away from the console.
6. With the scan tool select: "Program ignition FOBIKs" in the Miscellaneous Functions menu and follow the instructions on the screen. NOTE: When programming a FOBIK, have it in your hand resting on the console. NOTE: When you are instructed to "Press the Unlock button" it is important that you do not hold the button. Press it One time quickly.
7. After all the FOBIKs have been programmed, turn the ignition on and with the scan tool select "BCM".
8. Select "Misc. Function" and perform the "PROXI Configuration Alignment" routine.
9. With the scan tool select "RF-Hub" and perform the "RF-HUB Replace" routine.
10. Update the Front and Rear Axle Normal Tire Pressure Values.
11. Program the Tire Sensor IDs.
12. Turn the ignition to the OFF position, wait 30 seconds, then cycle the ignition back to the ON/RUN position.
13. Check for any active RF-Hub DTCs. If any are present, go to «DTC INDEX»(ref-646339) and perform the appropriate procedure.
14. Turn the ignition off and check each FOBiK for proper operation.
15. Finish the installation procedure (if necessary). Refer to «MODULE, RADIO FREQUENCY (RF HUB), INSTALLATION»(ref-646224-S20211511882014072800000) .
16. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

BATTERY SAVER MODE/BATTERY SAVER ON MESSAGE - IF EQUIPPED

When the "Battery Saver Mode" or "Battery Saver On" message is displayed, the vehicle will turn off certain electrical functions to reduce battery energy consumption. This will occur during periods when the battery is not being adequately charged. During this time, the following features (if equipped) may be turned off or will operate at a reduced power level: heated seats and heated steering wheel, heated or cooled cup-holder, rear defroster and heated mirrors, heating and air conditioning, power inverter, audio and telematics system. This condition is temporary and recoverable.

IGNITION SWITCH

The Ignition Node Module (IGNM) incorporates an integral ignition switch that consists of four rotary positions with three detent positions and one spring-loaded position. The one extreme clockwise position is a spring-loaded momentary contact "START" position. When released from the "START" position, the switch will automatically return to the detent "RUN" position. The other position includes a detent "ACCESSORY" position and a detent "OFF" position.

SENTRY KEY IMMOBILIZER SYSTEM (SKIS)

All modules of the IGNM have transponder chips in all keys and FOBIKS. Upon failure of proper Sentry Key Immobilizer (SKIS) communication to the Remote Frequency Hub Module, (RFHM), the RFHM will not allow the vehicle to crank. The engine will not re-crank on the key cycle that the failure occurred, a full key down sequence must be performed for the engine to crank again. Refer to OPERATION .

REMOTE KEYLESS ENTRY (RKE)

The midline model of the IGNM has the Remote Keyless Entry (RKE) feature. The FOBIK uses Radio Frequency (RF) signals to communicate with the Radio Frequency Hub (RF-Hub) and the RF-Hub relays the RKE requests to other modules in the vehicle over the CAN data bus. The IGNM itself does not control any of the RKE functions. Refer to OPERATION .

POWERTRAIN CONTROL MODULE (PCM)

The Powertrain Control Module (PCM) is a digital computer containing a microprocessor. The PCM receives input signals from various switches and sensors referred to as Powertrain Control Module Inputs. These inputs are as follows

1. Air Conditioning Pressure Transducer
2. ASD/Main Relay
3. Battery Voltage
4. Brake Switch
5. Camshaft Position Sensor
6. Crankshaft Position Sensor
7. Distance Sensor (from transmission control module)
8. EGR Position Feedback (if equipped)
9. Engine Coolant Temperature Sensor
10. Heated Oxygen Sensors
11. Ignition sense
12. Inlet Air Temperature Sensor
13. Knock Sensor
14. Manifold Absolute Pressure (MAP) Sensor
15. Park/Neutral (from trans range sensor)
16. Power Steering Pressure Switch
17. Proportional Purge Sense
18. CAN C Bus
19. Speed Control
20. Transmission Control Relay (Switched B+)
21. Transmission Pressure Switches
22. Transmission Temperature Sensor
23. Transmission Input Shaft Speed Sensor
24. Transmission Output Shaft Speed Sensor
25. Vehicle Speed

Based on the above inputs, the PCM adjusts various engine and vehicle operations through devices referred to as Powertrain Control Module Outputs. These outputs are as follows

1. Air Conditioning Clutch Relay
2. Data Link Connector (CAN C Bus)
3. Double Start Override
4. EGR Solenoid (if equipped)
5. Fuel Injectors
6. Generator Field
7. High Speed Fan Relay
8. Ignition Coils
9. Natural Vacuum Leak Detection
10. Low Speed Fan Relay
11. MTV Actuator
12. Proportional Purge Solenoid
13. SRV Valve
14. Speed Control Relay
15. Speed Control Vent Relay
16. Speed Control Vacuum Relay
17. Torque Reduction Request
18. Transmission Control Relay
19. Transmission Solenoids
20. 5 Volt Output

Based on inputs it receives, the PCM adjusts fuel injector pulse width, idle speed, ignition timing, and canister purge operation and EGR, if equipped. The PCM regulates the cooling fans, air conditioning and speed control systems. The PCM changes generator charge rate by adjusting the generator field.

The PCM adjusts injector pulse width (air-fuel ratio) based on the following inputs.

1. Manifold Absolute Pressure
2. Engine Speed (crankshaft position sensor)
3. Battery Voltage
4. Inlet Air Temperature Sensor
5. Engine Coolant Temperature
6. Exhaust Gas Oxygen Content (heated oxygen sensors)
7. Throttle Position

The PCM adjusts engine idle speed through the idle air control motor based on the following inputs.

1. Brake Switch
2. Engine Coolant Temperature
3. Engine Speed (crankshaft position sensor)
4. Park/Neutral
5. Transaxle Gear Engagement
6. Throttle Position
7. Vehicle Speed (from Transmission Control Module)

The PCM adjusts ignition timing based on the following inputs.

1. Inlet Air Temperature
2. Engine Coolant Temperature
3. Engine Speed (crankshaft position sensor)
4. Knock Sensor
5. Manifold Absolute Pressure
6. Park/Neutral (from trans range sensor)
7. Transaxle Gear Engagement
8. Throttle Position

The camshaft and crankshaft signals are sent to the PCM. If the PCM does not receive both signals within approximately one second of engine cranking, it deactivates the fuel pump. When deactivated, power is shut off to the fuel injectors, ignition coils, fuel pump and the heating element in each oxygen sensor.

The PCM contains a voltage converter that changes battery voltage to a regulated 5.0 volts. The 5.0 volts power the camshaft position sensor, and crankshaft position sensor. The PCM also provides a regulated 5.0 volts supply for the, manifold absolute pressure sensor, throttle position sensor and EGR (if equipped).

The PCM engine control strategy prevents reduced idle speeds until after the engine operates for 320 km (200 miles). If the PCM is replaced after 320 km (200 miles) of usage, update the mileage in new PCM. PCM/ECM Reprogramming. Refer to the appropriate Testing & Diagnostics article in Engine Performance .

Scheme 34

Scheme 35

1. Disconnect the battery negative cable.
2. Remove the engine cover.
3. Disconnect the Powertrain Control Module (PCM) electrical connectors (1 and 2).
4. Open the two wire harness retainers (3) and reposition the wire harness.
5. Remove the four nuts (1) with ground strap (4) and remove the PCM (2) from the bracket.

Scheme 36

Note. The ground strap (3) for the PCM is located at the lower most forward stud. It is not required to remove the ground wire from the stud unless replacement is required.

1. Disconnect the negative battery cable.
2. Disconnect the Powertrain Control Module (PCM) electrical connectors (1).
3. Remove the three nuts (2, 4) and remove the PCM from the battery tray.

1.4L

1. Install the PCM (2) to the bracket with four nuts (1) and ground strap (4). Tighten nuts (1) to 5 N.m (44 in. lbs.).
2. Engage the engine wire harness to the PCM bracket retainers (3).
3. Connect the Powertrain Control Module (PCM) electrical connectors (1 and 2).
4. Install the engine cover.
5. Connect the battery negative cable. Refer to «BATTERY, INSTALLATION»(ref-646227-S21166870622014072800000) .
6. If installing a new PCM, use a diagnostic scan tool to reprogram the new PCM with the vehicles original VIN and mileage.

2.0L/2.4L

1. If removed, position the ground strap (3) onto the most forward lower PCM mounting stud.
2. Position the PCM onto the mounting studs and tighten the nuts (2, 4) to 5 N.m (44 in. lbs).
3. Install the PCM electrical connectors (1).
4. Install the battery negative cable. NOTE: If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to align the PROXI configuration data into the new ECU. Follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under Body Control Module (BCM) Miscellaneous Functions menu.

Scheme 37

The Remote Frequency Hub Module (RFHM) is an integrated receiver in the vehicle that interfaces with the Remote Keyless Entry (RKE) FOBIK using both the RF and LF frequency. The RF Hub contains the controlling logic for the Passive Entry Keyless Go (PEKG) feature, Electronic Steering Column Lock (ESCL) module (if so equipped), Keyless Ignition Node (KIN), and the IGNM. The RFHM communicates on the CAN C vehicle communication bus and on a dedicated KIN line with the KIN. The RFHM also interfaces with the vehicle's door handles, trunk/Lift gate (as equipped) and multiple LF antennas for purposes of providing PEKG functionality. When the driver of the vehicle activates the KIN or IGNM to start the car, the RFHM verifies that the correct fob or key is present and requests the engine controller to start the car. There are several models of the RFHM that support NAFTA, BUX and Japan markets. Different signal supporting options include automatic transmission, manual transmission, Rotary ignition system using IGNM switch, Passive Entry KEYLESS GO system using smart door handles and KIN switch, and remote start.

Systems and features supported by the RFHM include

1. Brake Transmission Shift Interlock (BTSI) System
2. Ignition System
3. Passive Entry (PE) Keyless Go (KG) Systems
4. Remote Keyless Entry (RKE) System
5. Remote Start System
6. Sentry Key Immobilizer System (SKIS)
7. Tire Pressure Monitor (TPM) System
8. Vehicle Theft Alarm (VTA) System

The RFHM is located near the center of the shelf support behind the rear seat back and is concealed beneath the package tray interior trim. It is secured through two mounting tabs integral to the module housing to the shelf support by two plastic push-in fasteners. Concealed and protected within the molded black plastic RFHM housing is the microprocessor and the other electronic circuitry of the module.

Depending upon vehicle equipment, either one or two connector receptacles (1 and 3) integral to the RFHM housing are connected to the vehicle electrical system through dedicated take outs and connectors of the body wire harness. In vehicles with the optional remote start system, a remote start antenna is located adjacent to the RFHM on the shelf support and is connected directly to the RFHM through a third integral connector receptacle (2).

The RFHM cannot be adjusted or repaired and, if damaged or ineffective, it must be replaced.

STANDARD PROCEDURE - TRANSMISSION CONTROL MODULE (TCM) CONFIGURATION

This TCM table lists the necessary scan tool operations that are mandatory along with the order in which they are to be performed

Note. The transmission clutches must be above a certain temperature threshold before performing the Quick Learn Procedure. Drive vehicle and allow 5-6 up shifts and down shifts. If the Quick Learn procedure does not finish, drive the vehicle and perform 5-6 additional up shifts and down shifts.

Note. If the Transmission and TCM are replaced as an assembly, do not perform and of these procedures. The transmission and matched TCM are calibrated at the factory and should be ready for optimal performance.

Scheme 38

Scheme 39

1. Open the hood and support it on the prop-rod.
2. Disconnect the battery negative cable clamp.
3. Remove the side panel from the passenger side of the center floor console.
4. In the passenger side foot well, roll the carpet down from the dash panel (2) to gain access to the Transmission Control Module (TCM) (1).
5. Remove the nuts (2) holding the TCM mounting plate (1) to the floor.
6. Separate the TCM mounting plate from the floor.
7. Turn the TCM over to gain access to the wire connectors (1).
8. Release the locks (1) on the wire connectors (2).
9. Separate the wire connectors (2) from the TCM.
10. Remove the nut (3) holding the TCM to the mounting plate.
11. Separate the TCM from the vehicle.

Scheme 40

1. Place the TCM in position on mounting plate.
2. Install the nut (3) to hold the TCM to the mounting plate.
3. Connect the wire connectors (2) to the TCM.
4. Engage the locks (1) on the wire connectors.
5. Place the TCM mounting plate (1) in position on the floor, TCM down.
6. Install the nuts (2) to hold the TCM mounting plate (1) to the floor.
7. Roll the carpet in position on the dash panel.
8. Install the side panel on the passenger side of the center floor console.
9. Connect the battery negative cable clamp.
10. Close the hood and road test the vehicle to verify the repair.

Scheme 41

Keyless Ignition Node (KIN) is part of the new ignition system.

Used on the High end vehicles featuring "Keyless Go".

The KIN module is located in the instrument panel to the left of the center stack.

The KIN is encased in a mounting bracket which is secured to the instrument panel by four (4) screws.

Similar to the LX/JC vehicles except for the mounting bracket.