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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Simplified Wiring System (SWS) - Coupe) >> SWS Diagnosis >> Check At Ecu Terminal

Check At Ecu Terminal

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
  1. ETACS-ECU 
    Fig 1: Identifying ETACS-ECU Connector Terminals
    G04541496Courtesy of DAIMLERCHRYSLER CORPORATION
    NOTE: *: Since the ETACS-ECU is directly mounted on the junction box and the measurement for connector of terminals No.1 to 20 is impossible, the values concerning these terminals are shown for reference only.
    ETACS-ECU TERMINAL CHECK

    TERMINAL NO. INSPECTION ITEMS INSPECTION CONDITIONS NORMAL VALUE
    1 Output to power window relay When the power windows can work Battery positive voltage
    2 Battery positive voltage (for central door lock) Always Battery positive voltage
    3 Ground (for ECU) Always 0 V
    4 Power supply to ignition switch (ACC) Ignition switch: "ACC' Battery positive voltage
    5 Output to dome light When dome light is on 2 V or less
    6 Power supply to interior light (dome light) Always (when interior light shutoff function is not operating) Battery positive voltage
    8 Power supply to ignition switch (IG1) Ignition switch: "ON' Battery positive voltage
    9 Output to turn-signal light (RH) When turn-signal light (RH) is on Battery positive voltage
    10 Input from driver's door switch Driver's door switch: ON (Driver's door open) 0 V
    11 Battery power supply (for turn-signal light) Always Battery positive voltage
    12 Output to door lock When door lock actuator is operating (doors locked) Battery positive voltage
    13 Output to door unlock (excluding driver's door) When door lock actuator is operating (doors unlocked) Battery positive voltage
    14 Output to turn-signal light (LH) When turn-signal light (LH) is on Battery positive voltage
    18 Power supply to ignition switch (ACC) Ignition switch: "ACC' Battery positive voltage
    20 Battery power supply (for ECU) Always Battery positive voltage
    21 Input of driver's seat belt switch signal Driver's seat belt switch: ON (seat belts unfastened) 0 V
    22 Output to door unlock (for driver's door) When driver's door lock actuator is operating (doors unlocked) Battery positive voltage
    24 Output of fuel level warning light When the fuel level warning light is illuminating 2 V or less
    25 Input of driver's door lock key cylinder switch (UNLOCK) signal Driver's door lock key cylinder switch: UNLOCK 0 V
    27 Input of trunk lid lock key cylinder switch (UNLOCK) signal Trunk lid key cylinder switch: UNLOCK 0 V
    30 Input of key reminder switch signal Key reminder switch: ON (ignition key removed) 0 V
    31 Input of passenger's door lock key cylinder switch (UNLOCK) signal Passenger's door lock key cylinder switch: UNLOCK 0 V
    32 Output of trunk lid opener unlock When trunk lid opener actuator is operating Battery positive voltage
    33 Input of door lock switch signal (LOCK) Door lock switch (incorporated in power window switch): LOCK 0 V
    34 Input of door lock switch signal (UNLOCK) Door lock switch (incorporated in power window switch): UNLOCK 0 V
    35 Input of driver's door lock actuator switch (LOCK) signal Driver's door lock actuator switch: LOCK 0 V
    36 Input of driver's door lock actuator switch (UNLOCK) signal Driver's door lock actuator switch: UNLOCK 0 V
    38 Ground Always 0 V
    40 Output to the theft-alarm horn When a horn sounds by the keyless entry horn answerback function or the theft-alarm system 2 V or less
    42 Input of door lock key cylinder switch (LOCK) signal Driver's or passenger's door lock key cylinder switch: LOCK 0 V
    43 Input of front passenger's door lock actuator switch (LOCK) signal passenger's door lock actuator switch: UNLOCK 0 V
    51 Output to data link connector When DTC sets 0 - 12 V (pulse signal)
    When input check signal is sent 0 - 12 V (when input pulse signal is fluctuating)
    52 Output of trunk light When the trunk light is illuminating Battery positive voltage
    53 Output of door ajar warning light When the door ajar warning light is illuminating Battery positive voltage
    54 Input from fog light switch signal Fog light switch: ON (When the switch is depressed) 0 V
    55 Input of hazard warning light switch signal Hazard warning light switch: ON (When the switch is depressed) 0 V
    56 Ground (for sensor) Always 0 V
    59 SWS communication line Always 0 - 12 V (pulse signal)
    62 Input of trunk lid latch switch signal Trunk lid latch switch: ON 0 V
    63 Input of vehicle speed signal When the vehicle is being driven 0 - 12 V (pulse signal)
    65 Input of passenger's door switch signal Passenger's door switch: ON (Front passenger's door open) 0 V
    66 Input of signal from windshield intermittent wiper interval adjusting knob Ignition switch: "ACC,' Windshield intermittent wiper interval adjusting knob: "FAST" to "SLOW' 0 --> 2.5 V
    67 Input of diagnosis indication selection When scan tool is connected 0 V
    68 Output of data request signal Always 0 - 12 V (pulse signal)
    70 Output of washer fluid level warning light When the washer fluid level warning light is illuminating 2 V or less
    71 Power supply to interior light Always (when interior light shutoff function is not operating) Battery positive voltage
    72 Output of high-beam indicator light When the high-beam indicator light is illuminating 2 V or less
    73 Output to seat belt warning light When seat belt warning light is on 2 V or less
    74 Output of security indicator light When the security indicator light is illuminating 2 V or less
  2. COLUMN SWITCH 
    Fig 2: Identifying Column Switch Connector Terminals
    G04541497Courtesy of DAIMLERCHRYSLER CORPORATION
    -COLUMN SWITCH TERMINAL CHECK

    TERMINAL NO. INSPECTION ITEMS INSPECTION CONDITIONS NORMAL VALUE
    1 Battery power supply Always Battery positive voltage
    2 Input of data request signal Always 0 - 12 V (pulse signal)
    3 SWS communication line Always 0 - 12 V (pulse signal)
    4 Ground Always 0 V
    6 Output of signal from windshield intermittent wiper interval adjusting knob Igniting switch: "ACC,' Windshield intermittent wipe interval adjusting knob: "FAST" to "SLOW" 0 --> 2.5 V
    8 Output of backup signal from windshield wiper switch Windshield low-speed wiper switch or windshield high-speed wiper switch: ON 0 V
    9 Power supply to ignition switch (IG1) Ignition switch: "ON" Battery positive voltage
    10 Output of backup signal from headlight switch Ignition switch: "ON," Headlight switch: ON 0 V
  3. FRONT-ECU 
    Fig 3: Identifying Front-ECU Connector Terminals
    G04541498Courtesy of DAIMLERCHRYSLER CORPORATION
    NOTE: Since the front-ECU is directly mounted on the relay box and measurement is impossible, these values are shown for reference.
    FRONT-ECU TERMINAL CHECK

    TERMINAL NO. INSPECTION ITEMS INSPECTION CONDITIONS NORMAL VALUE
    2 Output to headlight (high-beam) When headlights (high-beam) are on Battery positive voltage
    3, 4 Battery power supply (for headlight) Always Battery positive voltage
    5 Battery power supply (for taillight) Always Battery positive voltage
    6 Output to headlight (low-beam) When headlights (low-beam) are on Battery positive voltage
    7 Battery power supply (for ECU) Always Battery positive voltage
    8 Output to taillights When taillights are on Battery positive voltage
    21 Output to windshield washer When windshield washer is on Battery positive voltage
    22 SWS communication line Always 0 - 12 V (pulse signal)
    23 Input of automatic stop signal to windshield wiper When windshield wiper is on Battery positive voltage
    24 Power supply to ignition switch (ACC) Ignition switch: "ACC" Battery positive voltage
    25 Input of backup signal from headlight switch Headlight switch: ON 0 V
    26 Input of backup signal to windshield wiper Windshield low-speed wiper switch or windshield high-speed wiper switch: ON 0 V
    27 Output to windshield wiper (high-speed) When windshield wiper is on (at high speed) Battery positive voltage
    28 Output to windshield wiper (low-speed) When windshield wiper is on (at low speed) Battery positive voltage
    30 Power supply to ignition switch (IG2) Ignition switch: "ON" Battery positive voltage
    31 Ground Always 0 V
  4. SUNROOF MOTOR ASSEMBLY 
    Fig 4: Sunroof Motor Assembly Connector Terminals
    G04541499Courtesy of DAIMLERCHRYSLER CORPORATION
    SUNROOF MOTOR ASSEMBLY TERMINAL CHECK

    TERMINAL NO. INSPECTION ITEMS INSPECTION CONDITION NORMAL VALUE
    1 Battery power supply (for motor) Always Battery positive voltage
    2 Ignition switch (IG2) power supply Ignition switch: ON Battery positive voltage
    3 Battery power supply (for ECU) Always Battery positive voltage
    5 Ground Always 0 V
    6 Sunroof switch (close/tilt down) signal input Sunroof switch: "CLOSE/TILT DOWN" 0 V
    8 Sunroof switch (open/tilt up) signal Sunroof switch: "OPEN / TILT UP" 0 V
    9 Ground Always 0 V
    10 SWS communication line Always 0 - 12 V (pulse signal)