RM35X0E _57 Power Source / Network _078518 NETWORKING _0388279 LIN COMMUNICATION SYSTEM C

NETWORKING  LIN COMMUNICATION SYSTEM  B1206  P/W Master Switch Communication Stop  B2321  D-Door Motor ECU Communication Stop  B2322  P-Door Motor ECU Communication Stop  


DESCRIPTION

This DTC is stored when LIN communication between the main body ECU (multiplex network body ECU) and multiplex network master switch assembly, power window regulator motor assembly LH and power window regulator motor assembly RH stops for 10 seconds or more.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1206 P/W Master Switch Communication Stop No communication between multiplex network master switch assembly and main body ECU (multiplex network body ECU) for 10 seconds or more.
·

Main body ECU (multiplex network body ECU)

·

Instrument panel junction block assembly

·

Multiplex network master switch assembly

·

Harness or connector


B2321 D-Door Motor ECU Communication Stop
·

No communication between power window regulator motor assembly LH and main body ECU (multiplex network body ECU) for 10 seconds or more. (for LHD)

·

No communication between power window regulator motor assembly RH and main body ECU (multiplex network body ECU) for 10 seconds or more. (for RHD)


·

Main body ECU (multiplex network body ECU)

·

Instrument panel junction block assembly

·

Multiplex network master switch assembly

·

Power window regulator motor assembly LH (for LHD)

·

Power window regulator motor assembly RH (for RHD)

·

Harness or connector


B2322 P-Door Motor ECU Communication Stop
·

No communication between power window regulator motor assembly RH and main body ECU (multiplex network body ECU) for 10 seconds or more. (for LHD)

·

No communication between power window regulator motor assembly LH and main body ECU (multiplex network body ECU) for 10 seconds or more. (for RHD)


·

Main body ECU (multiplex network body ECU)

·

Instrument panel junction block assembly

·

Power window regulator motor assembly RH (for LHD)

·

Power window regulator motor assembly LH (for RHD)

·

Harness or connector



WIRING DIAGRAM

C405949E01
0.479,1.552 1.635,2.406 1.156,0.854 10 false Main Body ECU (Multiplex Network Body ECU) 0.49,1.354 0.844,1.594 0.354,0.24 10 false A 1.875,1.344 2.938,2.094 1.063,0.75 10 false Instrument Panel Junction Block Assembly 2.969,0.771 3.281,0.969 0.313,0.198 10 false 3B 2.979,0.521 3.344,0.708 0.365,0.188 10 false 17 1.823,0.594 2.135,0.792 0.313,0.198 10 false 16 1.427,0.76 2.042,0.958 0.615,0.198 10 false LIN2 1.063,2.51 2.896,2.708 1.833,0.198 10 false from Battery 1.063,4.25 2.896,4.448 1.833,0.198 10 false from Battery 1.063,6.01 2.896,6.208 1.833,0.198 10 false from Battery 2.104,2.354 3.49,2.604 1.385,0.25 10 false ECU-ALT NO.1 2.292,4.104 3.615,4.365 1.323,0.26 10 false DOOR D 2.313,5.854 3.635,6.115 1.323,0.26 10 false DOOR P 4.344,2.521 4.958,2.719 0.615,0.198 10 false LIN1 4.344,2.906 4.958,3.104 0.615,0.198 10 false LIN2 3.677,2.906 4.292,3.104 0.615,0.198 10 false GND 3.677,2.521 4.292,2.719 0.615,0.198 10 false B 3.698,4.24 4.313,4.438 0.615,0.198 10 false B 3.688,4.646 4.302,4.844 0.615,0.198 10 false GND 4.396,4.458 5.01,4.656 0.615,0.198 10 false LIN 3.688,6 4.302,6.198 0.615,0.198 10 false B 3.698,6.396 4.313,6.594 0.615,0.198 10 false GND 4.406,6.219 5.021,6.417 0.615,0.198 10 false LIN 4.75,6.031 4.906,6.229 0.156,0.198 10 false 9 3.479,6.26 3.635,6.458 0.156,0.198 10 false 1 3.479,5.885 3.635,6.083 0.156,0.198 10 false 2 3.323,6.938 6.344,7.313 3.021,0.375 10 false Power Window Regulator Motor Assembly RH*1, Power Window Regulator Motor Assembly LH*2 3.042,5.198 6.042,5.583 3,0.385 10 false Power Window Regulator Motor Assembly LH*1, Power Window Regulator Motor Assembly RH*2 3.385,3.229 4.708,3.531 1.323,0.302 10 false R11*1, R1*2 3.396,3.396 4.979,4.083 1.583,0.688 10 false Multiplex Network Master Switch Assembly 4.75,4.281 4.906,4.479 0.156,0.198 10 false 9 3.469,4.146 3.625,4.344 0.156,0.198 10 false 2 3.469,4.51 3.625,4.708 0.156,0.198 10 false 1 3.385,2.781 3.698,2.979 0.313,0.198 10 false 6 3.385,2.396 3.698,2.594 0.313,0.198 10 false 1 4.74,2.344 5.052,2.542 0.313,0.198 10 false 5 4.74,2.729 5.052,2.927 0.313,0.198 10 false 11 0.656,7.365 2.813,7.75 2.156,0.385 10 false : LIN Communication Line 0.156,6.969 2.573,7.375 2.417,0.406 10 false *2: for RHD 0.156,6.594 3.01,7.031 2.854,0.438 10 false *1: for LHD 3.031,5.01 4.354,5.313 1.323,0.302 10 false R12*1, R2*2 3.333,6.74 4.656,7.042 1.323,0.302 10 false R7*1, R17*2

CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

When a power window regulator motor assembly is replaced or removed and reinstalled, it is necessary to perform initialization.

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW CONTROL SYSTEM>INITIALIZATION



PROCEDURE

1.CHECK FOR DTC


Result:
Result Proceed to
DTC is not output A
DTC B1206, B2321 or B2322 are output B
DTC B1206 and B2321 are output C
Only DTC B1206 is output D
Only DTC B2321 is output (for LHD) E
Only DTC B2321 is output (for RHD) F
Only DTC B2322 is output (for LHD) G
Only DTC B2322 is output (for RHD) H



A

B

2.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)

C

4.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)

D

5.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY POWER SOURCE CIRCUIT)

E

6.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)

F

9.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

G

12.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

H

14.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
2.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R11*1 or R1*2 multiplex network master switch assembly connector.

*1: for LHD

*2: for RHD



c.

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

Standard Resistance:
for LHD
Tester Connection Condition Specified Condition
3B-17 - R11-5 (LIN1) Always Below 1 Ω

for RHD
Tester Connection Condition Specified Condition
3B-17 - R1-5 (LIN1) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
a.

Remove the instrument panel junction block assembly.


E364134C41
1.594,0.219 2.01,0.469 0.417,0.25 5.135,0.281 5.552,0.531 0.417,0.25 5.313,1.521 5.125,1.521 5.125,1.521 5.125,1.052 true 0.104,0.083 0.417,0.24 0.313,0.156 10 false *a 5.333,0.344 5.646,0.5 0.313,0.156 10 false A 1.729,0.271 2.042,0.427 0.313,0.156 10 false 3B 5.396,1.448 5.813,1.625 0.417,0.177 10 false LIN2
*a Component without harness connected
(Instrument Panel Junction Block Assembly)
- -



b.

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


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3B-17 - A-16 (LIN2) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

4.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R11*1 or R1*2 multiplex network master switch assembly connector.

*1: for LHD

*2: for RHD



c.

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

Standard Resistance:
for LHD
Tester Connection Condition Specified Condition
3B-17 - R11-5 (LIN1) Always Below 1 Ω

for RHD
Tester Connection Condition Specified Condition
3B-17 - R1-5 (LIN1) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY POWER SOURCE CIRCUIT)
a.
C405957C02
2,0.25 2.417,0.5 0.417,0.25 0.927,0.25 1.333,0.5 0.406,0.25 0.854,1.375 1.313,1.208 true 2.563,1.24 2.146,1.208 true 2.49,0.302 2.823,0.5 0.333,0.198 10 false *B 0.656,1.302 0.813,1.5 0.156,0.198 10 false B 2.625,1.177 3.042,1.396 0.417,0.219 10 false GND 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 2.135,0.281 2.469,0.479 0.333,0.198 10 false R1 1.01,0.292 1.344,0.49 0.333,0.198 10 false R11 1.406,0.281 1.74,0.479 0.333,0.198 10 false *A
*A for LHD
*B for RHD
*a Front view of wire harness connector
(to Multiplex Network Master Switch Assembly)


Disconnect the multiplex network master switch assembly connector.


b.

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

Standard Voltage:
for LHD
Tester Connection Condition Specified Condition
R11-1 (B) - Body ground Always 11 to 14 V

for RHD
Tester Connection Condition Specified Condition
R1-1 (B) - Body ground Always 11 to 14 V



c.

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

Standard Resistance:
for LHD
Tester Connection Condition Specified Condition
R11-6 (GND) - Body ground Always Below 1 Ω

for RHD
Tester Connection Condition Specified Condition
R1-6 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R12 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
3B-17 - R12-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY LH POWER SOURCE CIRCUIT)

NG

8.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
7.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY LH POWER SOURCE CIRCUIT)
a.
B301170C72
1.552,0.188 1.896,0.427 0.344,0.24 1.021,1.417 1.521,1.146 true 2.458,1.396 1.917,1.146 true 0.104,0.063 0.417,0.26 0.313,0.198 10 false *a 2.563,1.344 2.719,1.542 0.156,0.198 10 false B 0.635,1.344 1.125,1.552 0.49,0.208 10 false GND 1.604,0.229 1.917,0.427 0.313,0.198 10 false R12
*a Front view of wire harness connector
(to Power Window Regulator Motor Assembly LH)


Disconnect the power window regulator motor assembly LH connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
R12-2 (B) - Body ground Always 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R12-1 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
a.

Disconnect the R11 multiplex network master switch assembly connector.


b.

Disconnect the R12 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
R11-11 (LIN2) - R12-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R2 power window regulator motor assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3B-17 - R2-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

10.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY RH POWER SOURCE CIRCUIT)

NG

11.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)
10.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY RH POWER SOURCE CIRCUIT)
a.
B301170C73
1.552,0.188 1.896,0.427 0.344,0.24 1.021,1.417 1.521,1.146 true 2.458,1.396 1.917,1.146 true 0.104,0.063 0.417,0.26 0.313,0.198 10 false *a 2.563,1.344 2.719,1.542 0.156,0.198 10 false B 0.635,1.344 1.125,1.552 0.49,0.208 10 false GND 1.646,0.219 1.958,0.417 0.313,0.198 10 false R2
*a Front view of wire harness connector
(to Power Window Regulator Motor Assembly RH)


Disconnect the power window regulator motor assembly RH connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
R2-2 (B) - Body ground Always 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R2-1 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

11.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)
a.

Disconnect the R1 multiplex network master switch assembly connector.


b.

Disconnect the R2 power window regulator motor assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R1-11 (LIN2) - R2-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R7 power window regulator motor assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3B-17 - R7-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

13.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY RH POWER SOURCE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY RH POWER SOURCE CIRCUIT)
a.
B301170C70
1.552,0.188 1.896,0.427 0.344,0.24 1.021,1.417 1.521,1.146 true 2.458,1.396 1.917,1.146 true 0.104,0.063 0.417,0.26 0.313,0.198 10 false *a 2.563,1.344 2.719,1.542 0.156,0.198 10 false B 0.635,1.344 1.125,1.552 0.49,0.208 10 false GND 1.646,0.219 1.958,0.417 0.313,0.198 10 false R7
*a Front view of wire harness connector
(to Power Window Regulator Motor Assembly RH)


Disconnect the power window regulator motor assembly RH connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
R7-2 (B) - Body ground Always 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R7-1 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

14.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the R17 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
3B-17 - R17-9 (LIN) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

15.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY LH POWER SOURCE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

15.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY LH POWER SOURCE CIRCUIT)
a.
B301170C71
1.552,0.188 1.896,0.427 0.344,0.24 1.021,1.417 1.521,1.146 true 2.458,1.396 1.917,1.146 true 0.104,0.063 0.417,0.26 0.313,0.198 10 false *a 2.563,1.344 2.719,1.542 0.156,0.198 10 false B 0.635,1.344 1.125,1.552 0.49,0.208 10 false GND 1.604,0.229 1.917,0.427 0.313,0.198 10 false R17
*a Front view of wire harness connector
(to Power Window Regulator Motor Assembly LH)


Disconnect the power window regulator motor assembly LH connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
R17-2 (B) - Body ground Always 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R17-1 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR