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LIN COMMUNICATION SYSTEM TERMINALS OF ECU

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  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. B004TKOC30
      *1 Main Body ECU (Multiplex Network Body ECU) - -

      Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

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    2. Reconnect the instrument panel junction block assembly connectors.

    3. Measure the voltage and resistance according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
      A-31 (BECU) - Body ground - Auxiliary battery power supply Power switch off 11 to 14 V
      A-30 (ACC) - Body ground - ACC power supply Power switch on (ACC) 11 to 14 V
      Power switch off Below 1 V
      A-32 (IG) - Body ground - IG power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

    4. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

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    5. Measure the pulse according to the value(s) in the table below.

      Table 1. for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      5A-19 - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
      5A-20 - Body ground V - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-34 - Body ground BE - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-35 - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      Table 2. for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      5A-40 - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-34 - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      5H-33 - Body ground LG - Body ground LIN communication line Power switch on (IG) Pulse generation
  2. B004TX5E07

    CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the H31 front multiplex network door ECU LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H31-3 (SIG) - Body ground B - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      H31-4 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      H31-6 (BDR) - Body ground R - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      H31-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the H31 front multiplex network door ECU LH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H31-11 (LIN1) - Body ground

      SB - Body ground*1

      B - Body ground*2

      		 LIN communication line Power switch on (IG) Pulse generation
      H31-13 (LIN3) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation

      *1: for LHD

      *2: for RHD

  3. B004TX5E08

    CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the H12 front multiplex network door ECU RH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H12-3 (SIG) - Body ground B - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      H12-4 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      H12-6 (BDR) - Body ground R - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      H12-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the H12 front multiplex network door ECU RH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H12-11 (LIN1) - Body ground

      B - Body ground*1

      SB - Body ground*2

      		 LIN communication line Power switch on (IG) Pulse generation
      H12-13 (LIN3) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation

      *1: for LHD

      *2: for RHD

  4. B004W7FE10

    CHECK REAR MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-12 (SIG) - Body ground B - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      K21-11 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K21-4 (BDR) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K21-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the K21 rear multiplex network door ECU LH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-22 (LIN1) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
      K21-23 (LIN3) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  5. B004W7FE11

    CHECK REAR MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-12 (SIG) - Body ground L - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      K7-11 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K7-4 (BDR) - Body ground B - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K7-1 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω

    3. Reconnect the K7 rear multiplex network door ECU RH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-22 (LIN1) - Body ground B - Body ground LIN communication line Power switch on (IG) Pulse generation
      K7-23 (LIN3) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  6. B004TTDC11
    *A for LHD
    *B for RHD

    CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. Disconnect the I5*1 or I2*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Table 3. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I5-11 (B) - Body ground LA-GR - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      I5-12 (GND) - Body ground LA-R - Body ground Ground Always Below 1 Ω
      Table 4. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-11 (B) - I2-12 (GND) LA-GR - LA-R Power supply Power switch off 11 to 14 V
      I2-12 (GND) - Body ground LA-R - Body ground Ground Always Below 1 Ω

    3. Reconnect the I5*1 or I2*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

    4. Measure the pulse according to the value(s) in the table below.

      Table 5. for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I5-17 (LIN1) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
      Table 6. for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-17 (LIN1) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
  7. B004TGME18

    CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the H21 front power window regulator motor assembly LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H21-2 (B) - Body ground

      LA-L - Body ground*1

      LA-R - Body ground*2

      		 Auxiliary battery power supply Power switch off 11 to 14 V

      *1: for LHD

      *2: for RHD

    3. Reconnect the H21 front power window regulator motor assembly LH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H21-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  8. B004TGME19

    CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the H2 front power window regulator motor assembly RH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      H2-2 (B) - Body ground

      LA-R - Body ground*1

      LA-L - Body ground*2

      		 Auxiliary battery power supply Power switch off 11 to 14 V

      *1: for LHD

      *2: for RHD

    3. Reconnect the H2 front power window regulator motor assembly RH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-9 (LIN) - Body ground W - Body ground LIN communication line Power switch on (IG) Pulse generation
  9. B004TGME28

    CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the K15 rear power window regulator motor assembly LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K15-2 (B) - Body ground LA-B - Body ground Auxiliary battery power supply Power switch off 11 to 14 V

    3. Reconnect the K15 rear power window regulator motor assembly LH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-9 (LIN) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  10. B004TGME29

    CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the K1 rear power window regulator motor assembly RH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-1 (GND) - Body ground LA-B - Body ground Ground Always Below 1 Ω
      K1-2 (B) - Body ground LA-BE - Body ground Auxiliary battery power supply Power switch off 11 to 14 V

    3. Reconnect the K1 rear power window regulator motor assembly RH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-9 (LIN) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation
  11. B004YU6E16

    CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


    1. Disconnect the G71 certification ECU (smart key ECU assembly) connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G71-4 (+B) - Body ground W - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      G71-18 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G71 certification ECU (smart key ECU assembly) connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G71-13 (LIN) - Body ground G - Body ground LIN communication line Power switch on (IG) Pulse generation
  12. B004VNDE07

    CHECK STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY


    1. Disconnect the G22 steering lock actuator or upper bracket assembly connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G22-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G22-6 (IG2) - Body ground R - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      G22-7 (B) - Body ground B - Body ground Auxiliary battery power supply Power switch off 11 to 14 V

    3. Reconnect the G22 steering lock actuator or upper bracket assembly connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G22-5 (LIN) - Body ground V - Body ground LIN communication line Power switch on (IG) Pulse generation
  13. B004VVIE03

    CHECK ID CODE BOX (IMMOBILISER CODE ECU)


    1. Disconnect the G58 ID code box (immobiliser code ECU) connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G58-1 (+B) - Body ground LA-GR - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      G58-5 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω

    3. Reconnect the G58 ID code box (immobiliser code ECU) connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G58-2 (LIN1) - Body ground L - Body ground LIN communication line Power switch on (IG) Pulse generation

  14. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (w/ Sliding Roof System)


    1. B004WL1E04

      Disconnect the N4 sliding roof drive gear sub-assembly connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N4-1 (B) - Body ground LA-G - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      N4-2 (E) - Body ground LA-G - Body ground Ground Always Below 1 Ω

    3. Reconnect the N4 sliding roof drive gear sub-assembly connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N4-7 (MPX1) - Body ground V - Body ground LIN communication line Power switch on (IG) Pulse generation
  15. B004WZXE03

    CHECK KICK DOOR CONTROL SENSOR (w/ Hands Free Power Trunk Lid)


    1. Disconnect the O5 kick door control sensor connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      O5-1 (B) - Body ground L - Body ground Battery power supply Power switch off 11 to 14 V
      O5-4 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the O5 kick door control sensor connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      O5-2 (LIN) - Body ground SB - Body ground LIN communication line Power switch on (IG) Pulse generation
  16. B004SJ8E04

    CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY LH (w/ Side Window Curtain)


    1. Disconnect the L144 rear side window curtain assembly LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L144-3 (B) - Body ground LA-B - Body ground Battery power supply Power switch off 11 to 14 V
      L144-10 (E) - Body ground LA - Body ground Ground Always Below 1 Ω

    3. Reconnect the L144 rear side window curtain assembly LH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L144-6 (LIN) - Body ground LA-SB - Body ground LIN communication line Power switch on (IG) Pulse generation
  17. B004SJ8E05

    CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY RH (w/ Side Window Curtain)


    1. Disconnect the L143 rear side window curtain assembly LH connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L143-3 (B) - Body ground LA-B - Body ground Battery power supply Power switch off 11 to 14 V
      L143-10 (E) - Body ground LA - Body ground Ground Always Below 1 Ω

    3. Reconnect the L143 rear side window curtain assembly RH connector.

    4. Measure the pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L143-6 (LIN) - Body ground LA-SB - Body ground LIN communication line Power switch on (IG) Pulse generation