eCall Unit Repair Procedures

Removal

eCall module

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the glove box housing. (Refer to Body - "Glove Box Housing")
3. 3
   Disconnect the connectors from the eCall module (A).

   

4. 4
   Loosen the mounting nuts (B), then remove the eCall unit (A).

   

5. 5
   Disconnect the negative (-) battery terminal.
6. 6
   Remove the driver airbag module assembly. (Refer to Body - "Driver Airbag Module Assembly")
7. 7
   Disconnect the eCall antenna connector (A).
8. 8
   Loosen the mounting nuts (C), then remove the eCall antenna (B).

   

9. 9
   Disconnect the negative (-) battery terminal.
10. 10
    Remove the cluster fascia panel. (Refer to Body - "Instrument Panel")
11. 11
    Disconnect the eCall speaker connector.
12. 12
    Loosen the mounting nuts (B), then remove the eCall speaker (A).

    

eCall Antenna eCall Speaker

Replacement

eCall Backup Battery (BUB)

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the eCall module.
3. 3
   To replace the backup battery, remove it after removing the backup battery compartment cover (A).

   

Installation

eCall module

1. 1
   Install the eCall module.
2. 2
   Connect the connectors to the eCall module.
3. 3
   Install the glove box housing.
4. 4
   Connect the negative (-) battery terminal.
5. 5
   Install the eCall antenna.
6. 6
   Connect the eCall antenna connector.
7. 7
   Install the driver airbag module assembly.
8. 8
   Connect the negative (-) battery terminal.
9. 9
   Install the eCall speaker.
10. 10
    Connect the eCall speaker connector.
11. 11
    Install the cluster fascia panel.
12. 12
    Connect the negative (-) battery terminal.

eCall Antenna eCall Speaker

Inspection

Inspection (with KDS/GDS)

1. 1
   Malfunctions in the body electrical system can be quickly diagnosed using the vehicle diagnostic system (KDS/GDS). The diagnostic system (KDS/GDS) provides the following information.

   1. Self-Diagnosis: Checks for malfunctions and Diagnostic Trouble Codes (DTCs).
   2. Current Data: Checks the input/output status of the system.
   3. Actuation Test: Checks the operating condition of the system.
   4. Additional Function: Controls other functions, including system setting parameters and zero point adjustment.
2. 2
   Select "Vehicle Model" and "Telematics System" to inspect the vehicle with the tester.
3. 3
   Select the "Current Data" menu to check the current input/output data.
4. 4
   Test Mode Operating Conditions

   1. The vehicle battery is connected properly.
   2. One minute has passed after ignition ON.
   3. The vehicle remains stationary for 1 minute or more.
5. 5
   Conditions Preventing Test Mode Operation

   1. PSAP Call in Progress
   2. Callback Mode: The eCall system enters callback mode after a successful call and remains on standby for 120 minutes to receive calls from the call center.
   3. Test mode is automatically terminated when the vehicle speed reaches 1 km/h or more, or after traveling 300 m or more.
   4. Less than two minutes have passed since the previous test call was completed.
6. 6
   Test Mode Sequence (Audio Guidance)

   1. LED Test
   2. Speaker Test
   3. MIC Test
   4. BUB (Back-Up Battery built into eCall unit) Test (No separate notification is given if the BUB is in normal condition.)
   5. Test Call (Pressing the SOS button sends the test result to the PSAP.)

eCall Test Mode: Press the SOS TEST button to activate the voice guidance and test the eCall system according to the instructions. At the Test Call stage, which is the final step of test mode, press the SOS button in response to the voice guidance to send fault component data to the call center. To exit test mode, press the SOS TEST button again during voice guidance.Backup Battery Inspection: The backup battery (BUB) built into the eCall system has a limited service life, and its charging/discharging performance may deteriorate after prolonged use. The backup battery ensures eCall system operation when the vehicle battery cannot be used due to an accident. Be sure to check the backup battery if the red LED illuminates, and replace it if necessary.