LIN COMMUNICATION SYSTEM > TERMINALS OF ECU

for Preparation Click here



MAIN BODY ECU AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

B210280E03


Text in Illustration 
*1
Component without harness connected
(Instrument Panel Junction Block Assembly)
-
-

  1. Check main body ECU.

    1. Turn the ignition switch off.

    2. Remove the main body ECU from the instrument panel junction block assembly (Click here).

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

      HINT:
      The instrument panel junction block assembly connectors must all be connected.


      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      3F-32 (IG) - Body ground
      		-
      		IG power supply
      		Ignition switch ON
      		11 to 14 V
      3F-11 (GND1) - Body ground
      		-
      		Ground
      		Always
      		Below 1 Ω



  2. Check instrument panel junction block assembly.


    E175963E01


    Text in Illustration 
    *1
    		Front view of wire harness connector
    (to Instrument Panel Junction Block Assembly)
    		-
    		-

    1. Disconnect the 3C and 3D instrument panel junction block assembly connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      3C-10 (GND1) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      3D-5 (GND2) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      3C-23 (+S) - Body ground
      		SB - Body ground*1
      LG - Body ground*2
      		IG power supply
      		Ignition switch ON
      		11 to 14 V
      *1: w/o Entry and Start System
      *2: w/ Entry and Start System

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.


POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

E175964E02


Text in Illustration 
*1
Component without harness connected
(Power Window Regulator Master Switch Assembly)
*2
Front view of wire harness connector
(to Power Window Regulator Master Switch Assembly)
*3
for RHD
*4
for LHD

  1. Check the power window regulator master switch assembly.

    1. Turn the ignition switch off.

    2. Disconnect the E1 or F1 power window regulator master switch assembly connector.

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

      for RHD 
      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      E1-11 (B) - Body ground
      		BR - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      E1-12 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      for LHD 
      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      F1-11 (B) - Body ground
      		BR - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      F1-12 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the E1 or F1 power window regulator master switch assembly connector.

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

      for RHD 
      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      E1-16 (LIN2) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation
      E1-17 (LIN1) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      for LHD 
      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      F1-16 (LIN2) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation
      F1-17 (LIN1) - Body ground
      		L - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the power window regulator master switch assembly may have a malfunction.


FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY RH

E175965E01


Text in Illustration 
*1
Component without harness connected
(Front Door Window Regulator Sub-Assembly RH)
*2
Front view of wire harness connector
(to Front Door Window Regulator Sub-Assembly RH)

  1. Check the front door window regulator sub-assembly RH.

    1. Turn the ignition switch off.

    2. Disconnect the E4 front door window regulator sub-assembly RH connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      E4-2 (B) - Body ground
      		W - Body ground*1
      B - Body ground*2
      		Battery power supply
      		Always
      		11 to 14 V
      E4-1 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      *1: for RHD
      *2: for LHD

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the E4 front door window regulator sub-assembly RH connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      E4-9 (LIN) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the front door window regulator sub-assembly RH may have a malfunction.


FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY LH

E175965E03


Text in Illustration 
*1
Component without harness connected
(Front Door Window Regulator Sub-Assembly LH)
*2
Front view of wire harness connector
(to Front Door Window Regulator Sub-Assembly LH)

  1. Check the front door window regulator sub-assembly LH.

    1. Turn the ignition switch off.

    2. Disconnect the F4 front door window regulator sub-assembly LH connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      F4-2 (B) - Body ground
      		B - Body ground*1
      W - Body ground*2
      		Battery power supply
      		Always
      		11 to 14 V
      F4-1 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      *1: for RHD
      *2: for LHD

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the F4 front door window regulator sub-assembly LH connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      F4-9 (LIN) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the front door window regulator sub-assembly LH may have a malfunction.


DOUBLE LOCK DOOR CONTROL RELAY ASSEMBLY (w/ Double Locking Function)

E176073E01


Text in Illustration 
*1
Component without harness connected
(Double Lock Door Control Relay Assembly)
*2
Front view of wire harness connector
(to Double Lock Door Control Relay Assembly)

  1. Check the double lock door control relay assembly.

    1. Turn the ignition switch off.

    2. Disconnect the D40 double lock door control relay assembly connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      D40-1 (+B) - Body ground
      		W - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D40-14 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D40 double lock door control relay assembly connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D40-9 (MPX1) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the double lock door control relay assembly may have a malfunction.


CERTIFICATION ECU (w/ Entry and Start System)

E175966E01


Text in Illustration 
*1
Component without harness connected
(Certification ECU)
*2
Front view of wire harness connector
(to Certification ECU)

  1. Check the certification ECU.

    1. Turn the ignition switch off.

    2. Disconnect the D34 certification ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D34-1 (+B) - Body ground
      		B - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D34-16 (IG) - Body ground
      		V - Body ground
      		IG power supply
      		Ignition switch ON
      		11 to 14 V
      D34-15 (E) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D34 certification ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D34-29 (LIN) - Body ground
      		L - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the certification ECU may have a malfunction.


STEERING LOCK ACTUATOR ASSEMBLY

E175967E01


Text in Illustration 
*1
Component without harness connected
(Steering Lock Actuator Assembly)
*2
Front view of wire harness connector
(to Steering Lock Actuator Assembly)

  1. Check the steering lock actuator assembly.

    1. Turn the ignition switch off.

    2. Disconnect the D33 steering lock actuator assembly connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D33-6 (IG2) - Body ground
      		L - Body ground
      		IG power supply
      		Ignition switch ON
      		11 to 14 V
      D33-7 (B) - Body ground
      		P - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D33-1 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D33 steering lock actuator assembly connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D33-5 (LIN) - Body ground
      		G - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the certification ECU may have a malfunction.


ID CODE BOX (w/ Entry and Start System)

E176074E01


Text in Illustration 
*1
Component without harness connected
(ID Code Box)
*2
Front view of wire harness connector
(to ID Code Box)

  1. Check the ID code box.

    1. Turn the ignition switch off.

    2. Disconnect the D30 ID code box connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      D30-1 (+B) - Body ground
      		LG - Body ground*1
      P - Body ground*2
      		Battery power supply
      		Always
      		11 to 14 V
      D30-8 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D30 ID code box connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D30-3 (LIN1) - Body ground
      		LG - Body ground*1
      R - Body ground*2
      		LIN communication line
      		Ignition switch ON
      		Pulse generation
      *1: for RHD
      *2: for LHD

      HINT:
      If the result is not as specified, the ID code box may have a malfunction.


POWER MANAGEMENT CONTROL ECU (for 1KR-FE and 1NR-FE with Entry and Start System)

E175968E01


Text in Illustration 
*1
Component without harness connected
(Power Management Control ECU)
*2
Front view of wire harness connector
(to Power Management Control ECU)

  1. Check the power management control ECU.

    1. Turn the ignition switch off.

    2. Disconnect the D38 power management control ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      D38-1 (AM22) - Body ground
      		L - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D38-2 (AM21) - Body ground
      		R - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D38-5 (GND2) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      D38-6 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D38 power management control ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D38-24 (LIN2) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the power management control ECU may have a malfunction.


POWER SOURCE CONTROL ECU (for 1ND-TV with Entry and Start System)

E175968E02


Text in Illustration 
*1
Component without harness connected
(Power Source Control ECU)
*2
Front view of wire harness connector
(to Power Source Control ECU)

  1. Check the power source control ECU.

    1. Turn the ignition switch off.

    2. Disconnect the D73 power source control ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Condition
      		Specified Condition
      D73-1 (AM22) - Body ground
      		L - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D73-2 (AM21) - Body ground
      		R - Body ground
      		Battery power supply
      		Always
      		11 to 14 V
      D73-5 (GND2) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω
      D73-6 (GND) - Body ground
      		W-B - Body ground
      		Ground
      		Always
      		Below 1 Ω

      HINT:
      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D73 power source control ECU connector.

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

      Terminal No. (Symbol)
      		Wiring Color
      		Terminal Description
      		Switch Condition
      		Specified Condition
      D73-24 (LIN2) - Body ground
      		P - Body ground
      		LIN communication line
      		Ignition switch ON
      		Pulse generation

      HINT:
      If the result is not as specified, the power source control ECU may have a malfunction.