RM36D0EC _57 Power Source / Network _083091 NETWORKING _0694851 LIN COMMUNICATION SYSTEM(for SFTM Made) C

NETWORKING  LIN COMMUNICATION SYSTEM(for SFTM Made)  B232588  Door LIN Bus off  


DESCRIPTION

The main body ECU (multiplex network body ECU) intermittently monitors the LIN communication bus between the components related to the doors. DTC B232588 is stored when a malfunction in the LIN communication bus between the components related to the doors is detected consecutively 3 times.

DTC No. Detection Item DTC Detection Condition Trouble Area
B232588 Door LIN Bus off The main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more.
·

Main body ECU (multiplex network body ECU)

·

Power distribution box assembly

·

Multiplex network master switch assembly

·

Front power window regulator motor assembly LH

·

Front power window regulator motor assembly RH

·

Rear power window regulator motor assembly LH

·

Rear power window regulator motor assembly RH

·

Sliding roof ECU (sliding roof drive gear assembly) (w/ Sliding Roof System, w/ Panoramic Moon Roof System)

·

Kick door control sensor (w/ Hands Free Power Back Door)

·

Harness or connector



WIRING DIAGRAM

B724699E01
1.552,5.333 1.792,5.552 0.24,0.219 10 false LIN 1.49,3.823 1.865,4.021 0.375,0.198 10 false LIN2 5.427,2.667 5.813,2.875 0.385,0.208 10 false LIN2 1.563,6.792 1.802,7.01 0.24,0.219 10 false LIN 5.396,6.792 5.969,7.135 0.573,0.344 10 false LIN 5.417,5.375 5.656,5.594 0.24,0.219 10 false LIN 5.271,3.885 6.438,4.573 1.167,0.688 10 false Main Body ECU (Multiplex Network Body ECU) 4.042,3.615 5.177,4.292 1.135,0.677 10 false Power Distribution Box Assembly 4.969,5.792 6.906,6.229 1.938,0.438 10 false Front Power Window Regulator Motor Assembly RH 0.375,4.156 1.958,4.646 1.583,0.49 10 false Multiplex Network Master Switch Assembly 0.354,5.802 2.281,6.208 1.927,0.406 10 false Front Power Window Regulator Motor Assembly LH 4.865,7.271 6.802,7.76 1.938,0.49 10 false Rear Power Window Regulator Motor Assembly RH 0.365,7.219 2.302,7.688 1.938,0.469 10 false Rear Power Window Regulator Motor Assembly LH 1.479,3.5 1.823,3.719 0.344,0.219 10 false LIN1 0.615,8.344 2.542,8.646 1.927,0.302 10 false : LIN Communication Line 0.406,3.969 0.844,4.219 0.438,0.25 10 false J2 4.979,5.625 5.594,5.938 0.615,0.313 10 false I7 4.854,7.083 5.771,7.354 0.917,0.271 10 false K5 0.365,7.052 0.802,7.302 0.438,0.25 10 false L5 0.344,5.615 0.781,5.865 0.438,0.25 10 false J6 5.292,3.708 5.729,3.958 0.438,0.25 10 false A 4.052,2.667 4.49,2.917 0.438,0.25 10 false 6F 5.135,2.5 5.573,2.75 0.438,0.25 10 false 15 4.052,2.479 4.49,2.729 0.438,0.25 10 false 17 1.875,3.344 2.313,3.594 0.438,0.25 10 false 17 5.198,5.146 5.635,5.396 0.438,0.25 10 false 9 1.885,5.156 2.323,5.406 0.438,0.25 10 false 9 1.865,6.615 2.302,6.865 0.438,0.25 10 false 9 5.219,6.646 5.656,6.896 0.438,0.25 10 false 9 1.865,3.677 2.302,3.927 0.438,0.25 10 false 16 2.333,8.021 4.26,8.24 1.927,0.219 10 false *1: w/ Sliding Roof System 4.042,2.052 4.479,2.302 0.438,0.25 10 false 6B 4.042,1.854 4.479,2.104 0.438,0.25 10 false 37 1.271,0.729 1.708,0.979 0.438,0.25 10 false P4 1.271,0.875 3.51,1.26 2.24,0.385 10 false Sliding Roof ECU (Sliding Roof Drive Gear Assembly)*1, *2 2.667,0.479 3.104,0.729 0.438,0.25 10 false MPX1 3.115,0.333 3.552,0.583 0.438,0.25 10 false 7 2.292,8.354 4.771,8.625 2.479,0.271 10 false *2: w/ Panoramic Moon Roof System 0.292,2.26 0.729,2.51 0.438,0.25 10 false Q7 0.292,2.479 2.354,2.875 2.063,0.396 10 false Kick Door Control Sensor*3 1.552,2.073 1.99,2.323 0.438,0.25 10 false LIN 1.885,1.906 2.323,2.156 0.438,0.25 10 false 6 4.594,8.021 6.969,8.281 2.375,0.26 10 false *3: w/ Hands Free Power Back Door

CAUTION / NOTICE / HINT

NOTICE:
·

When using the GTS with the power switch off to troubleshoot:

Connect the GTS to the vehicle and turn a courtesy light switch on and off at 1.5 second intervals until communication between the GTS and vehicle begins.

·

Some parts must be initialized and set when replacing or removing and installing parts.

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>WORK PROCEDURE



PROCEDURE

1.CHECK FOR DTC
a.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

b.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232588 is not output B



A

2.CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

B

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


2.CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
a.

Disconnect the J6 front power window regulator motor assembly LH connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232187 is output B



A

3.CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

B

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Front Door)>REMOVAL


3.CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
a.

Disconnect the J2 multiplex network master switch assembly connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTCs B120687 and B232187 are output B



A

4.CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

B

12.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
4.CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
a.

Disconnect the I7 front power window regulator motor assembly RH connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232287 is output B



A

5.CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

B

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Front Door)>REMOVAL


5.CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
a.

Disconnect the K5 rear power window regulator motor assembly RH connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232387 is output B



A

6.CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

B

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Rear Door)>REMOVAL


6.CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
a.

Disconnect the L5 rear power window regulator motor assembly LH connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232487 is output B



A

7.CHECK VEHICLE TYPE

B

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Rear Door)>REMOVAL


7.CHECK VEHICLE TYPE
a.

Check the vehicle type.


Result:
Result Proceed to
w/ Hands Free Power Back Door A
w/o Hands Free Power Back Door B



A

8.CHECK KICK DOOR CONTROL SENSOR

B

9.CHECK VEHICLE TYPE
8.CHECK KICK DOOR CONTROL SENSOR
a.

Disconnect the Q7 kick door control sensor connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B232588 is not output B



A

9.CHECK VEHICLE TYPE

B

REPLACE KICK DOOR CONTROL SENSOR

Click hereVehicle Exterior>DOOR / HATCH>KICK SENSOR>REMOVAL


9.CHECK VEHICLE TYPE
a.

Check the vehicle type.


Result:
Result Proceed to
w/ Sliding Roof System or with Panoramic Moon Roof System A
w/o Sliding Roof System and without Panoramic Moon Roof System B



A

10.CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

B

11.CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)
10.CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
a.

Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly) connector.


b.

Clear the DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Check for DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM (for SFTM Made)>DTC CHECK / CLEAR

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTC B232588 is output A
DTC B127387 is output B



A

11.CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)

B

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

w/ Panoramic Moon Roof System: Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF HOUSING (for Panoramic Moon Roof)>REMOVAL

w/ Sliding Roof System: Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF HOUSING (for Moon Roof)>REMOVAL


11.CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)

*1: w/ Panoramic Moon Roof System or with Sliding Roof System

*2: w/ Hands Free Power Back Door


a.

Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


b.

Reconnect the power distribution box assembly connectors.


c.

Disconnect the J2 multiplex network master switch assembly connector.


d.

Disconnect the J6 front power window regulator motor assembly LH connector.


e.

Disconnect the I7 front power window regulator motor assembly RH connector.


f.

Disconnect the L5 rear power window regulator motor assembly LH connector.


g.

Disconnect the K5 rear power window regulator motor assembly RH connector.


h.

Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly) connector.*1


i.

Disconnect the Q7 kick door control sensor connector.*2


j.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A-15 (LIN2) - Body ground Always 10 kΩ or higher
A-15 (LIN2) - Other terminals Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

13.CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)
12.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
a.

Disconnect the J2 multiplex network master switch assembly connector.


b.

Disconnect the J6 front power window regulator motor assembly LH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
J2-16 (LIN2) - J6-9 (LIN) Always Below 1 Ω
J2-16 (LIN2) or J6-9 (LIN) - Other terminals Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW MASTER SWITCH>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)

*1: w/ Panoramic Moon Roof System or with Sliding Roof System

*2: w/ Hands Free Power Back Door


a.

Disconnect the 6B and 6F power distribution box assembly connectors.


b.

Disconnect the J2 multiplex network master switch assembly connector.


c.

Disconnect the J6 front power window regulator motor assembly LH connector.


d.

Disconnect the I7 front power window regulator motor assembly RH connector.


e.

Disconnect the L5 rear power window regulator motor assembly LH connector.


f.

Disconnect the K5 rear power window regulator motor assembly RH connector.


g.

Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly) connector.*1


h.

Disconnect the Q7 kick door control sensor connector.*2


i.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6F-17 - Body ground Always 10 kΩ or higher
6B-37 - Body ground*1*2 Always 10 kΩ or higher
6F-17 - Other terminals Always 10 kΩ or higher
6B-37 - Other terminals*1*2 Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR