Connectors, door control unit, rear left -J388

 

16-pin connector

B1 - Terminal 58s

B2 - Door warning/entry light

B3- Vacant

B4 - Window lifter switch (local)

B5- Vacant

B6 - Terminal 31 (switch)

B7 - Inside locking  button (lock)

B8 - LED (feedback) - Interior locking button

B9- Vacant

B10 - Interior door handle switch rear left

B11- Vacant

B12 - Easy Entry

B13- Vacant

B14 - Remote control - front passenger seat: head restraint up/down, upper backrest forward/back

B15 - Remote control - front passenger seat: Longitudinal and seat back adjustment forward/back

B16 - Ambient lighting

 

20-pin connector

C1 - Exterior door handle illumination

C2 - Feedback locked/safe

C3 - Door contact switch

C4 - CL activation motor (terminal 31)

C5 - Central locking motor (Safe)

C6 - Central locking motor

C7 - CL button in exterior door handle, rear left

C8 - Child lock contact switch, rear left

C9 - Switch (terminal 31)

C10 - Exterior door handle switch rear left

C11 - Latch (pre-latch for power latch)

C12 - Activation for child lock motor

D1 - Terminal 31

D2 - Terminal 30 (central locking)

D3 - Terminal 30 (enable)

D4 - CAN High

D5 - CAN Low

D6 - Terminal 30 (window lifters)

D7 - Communication wire to power latch

D8 - Vacant

 

Reading measured value block (door control unit, rear left -J388)

 

The following measured values are displayed:

 

Measured value block 001:

Readout 01:

xxxxxxxx    (0=not active/1=active)

       1:   Catch (pre-latch switch in closure unit)

            (only fitted with power latch [PR number:GZ2])

      2:    Door contact switch

     3:     Feedback lock locked

    4:      Feedback lock safed (in USA not relevant)

   5:       Vacant

  6:        CL inside switch lock

 7:         Vacant

8:          Vacant

 

Readout 02:

xx         (0=not active/1=active)

 1:         Exterior door handle switch illumination in rear left door

2:          Exterior door handle central locking button, rear left

 

Readout 03:

    xxxx       (0=not active/1=active)

       1:   One-wire fault in Group convenience system data bus

      2:    Terminal 15

     3:     Terminal 30, central locking

    4:      Terminal 30, window lifters

 

Readout 04:

Vehicle voltage  (voltage in V)

 

 

Measured value block 002:

Readout 01:

Local window lifter button

(auto. open/auto. close/manual open/manual close/unpressed/implausible)

 

Readout 02:

Vacant

 

Readout 03:

Vacant

 

Readout 04:

Vacant

 

 

Measured value block 003:

Readout 01:

Window lifter position                                      

(0..0.100%/no readout)

KNotes:

J With readout: No readout  A Window not standardised

J 0% corresponds to open; 100% corresponds to closed

 

Readout 02:

Calculated temperature of window lifter motor  

(-50...200°C/no readout/no comm.)

 

Readout 03:

 xxxxxxx    (0=not active/1=active)

       1:   Insulating glass

      2:    Window lifters standardised

     3:     Window lifters thermal protection

    4:      Enable window lifters issued

   5:       Roll-back function activated

  6:        Recirculated air enable

 7:         Correction value

KNote:

- Correction value A in case of mech. slow movement of window lifter  motor or this bit is set shortly before activation of roll-back.

 

Readout 04:

Window lifter movement     

open/close/stopped)

 

 

Measured value block 004:

Readout 01:

Remote control button, front passenger seat

(optional fitting in rear door control unit behind front passenger seat)                                    

(forward/back/unpressed/implausible)

 

Readout 02:

Status of side roller blind motor (optional)       

(up/down/implausible/fault)

 

Readout 03:

Vacant

 

Readout 04:

Vacant

 

Final control diagnosis, sequential (door control unit, rear left -J388)

 

The following control elements of the rear left door control unit, if fitted and coded, are actuated one after the other:

 

I Close CL signal

I Activation of door safing (not for USA)

I Open CL signal

I Switch on exterior light (exterior door handle switch illumination) A optional

I Switch on  ambient lighting (interior - light curtain in door shell) A optional

I Activation of exit warning lamp

I Activate terminal 58s

I Function of central locking warning lamp  (LED on interior central locking button)

I Window lifter motor (the window lifter motor is actuated every three seconds in a different direction.)

I Child safety lock motor (the child safety lock motor is activated every two seconds in the reverse direction each time.) The maximum running time of this control element test is five minutes.) A optional

I Side roller blind motor (the side roller blind motor is activated every two seconds in the reverse direction each time.) The maximum running time of this control element test is five minutes.) A optional

Note:

J The control elements marked in blue are influenced directly by the coding.

 

Final control diagnosis, selective (door control unit, rear left -J388)

 

The following control elements of the rear left door control unit, if fitted and coded, can be actuated selectively:

 

1. Lock central locking signal

2. Activation of door safing

3. Unlock central locking signal

4. Switch on exterior light (exterior door handle illumination) A optional

5. Switch on  ambient lighting (interior - light curtain in door shell) A optional

6. Activation of exit warning lamp

7. Activate terminal 58s

8. Function of central locking warning lamp  (LED on interior central locking button)

9. Window lifter motor (the window lifter motor is activated every three seconds in a different direction.)

10. Child safety lock motor (the child safety lock motor is activated every two seconds in the reverse direction each time.) The maximum running time of this control element test is five minutes.) A optional

11. Side roller blind motor (the side roller blind motor is activated every two seconds in the reverse direction each time.) The maximum running time of this control element test is five minutes.) A optional

 

KNote:

J The control elements marked in blue are influenced directly by the coding.