RM35X0E _58 Vehicle Interior _078336 DOOR LOCK _0379904 POWER DOOR LOCK CONTROL SYSTEM J

DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM  Power Source Circuit  


DESCRIPTION

The main power source for the power door lock control system is supplied via the door control battery.

WIRING DIAGRAM

B550466E07
1.51,0.521 2.396,0.76 0.885,0.24 10 false from Battery 3.156,0.688 3.542,0.948 0.385,0.26 10 false D/L 2.938,1.552 4.083,1.833 1.146,0.281 10 false ECU-B NO.1 1.365,5.438 2.969,5.906 1.604,0.469 10 false Instrument Panel Junction Block Assembly 0.083,5.896 0.698,6.156 0.615,0.26 10 false A 0.083,6.073 1.719,6.563 1.635,0.49 10 false Main Body ECU (Multiplex Network Body ECU) 5.635,5.927 6.25,6.188 0.615,0.26 10 false N208 5.635,6.063 6.99,6.5 1.354,0.438 10 false Door Control Battery 5.74,5.24 6.354,5.5 0.615,0.26 10 false GND1 5.74,4.135 6.354,4.396 0.615,0.26 10 false EDOR 5.719,1.323 6.333,1.583 0.615,0.26 10 false BECU 5.74,0.469 6.354,0.729 0.615,0.26 10 false BATB 4.104,0.354 4.719,0.615 0.615,0.26 10 false 3 4.042,0.552 4.656,0.813 0.615,0.26 10 false 3A 4.063,1.229 4.677,1.49 0.615,0.26 10 false 22 4.052,1.417 4.667,1.677 0.615,0.26 10 false 3B 1.917,4.052 2.531,4.313 0.615,0.26 10 false 23 1.917,3.5 2.531,3.76 0.615,0.26 10 false 3D 0.927,4.135 1.542,4.396 0.615,0.26 10 false BECU 1.365,4.198 1.979,4.458 0.615,0.26 10 false 31 5.583,0.448 6.198,0.708 0.615,0.26 10 false 2 5.5,1.313 6.115,1.573 0.615,0.26 10 false 11 5.5,4.167 6.115,4.427 0.615,0.26 10 false 12 5.563,5.219 6.177,5.479 0.615,0.26 10 false 3 5.74,2.188 6.354,2.448 0.615,0.26 10 false DRLY 0.917,2.167 1.531,2.427 0.615,0.26 10 false ACT+ 4.042,2.281 4.656,2.542 0.615,0.26 10 false 3A 4.094,2.094 4.708,2.354 0.615,0.26 10 false 1 1.948,3.302 2.563,3.563 0.615,0.26 10 false 6 3.115,3.49 5.333,3.792 2.219,0.302 10 false to Each Door Lock Motor 2.094,2.74 3.781,3.042 1.688,0.302 10 false ALL DR LOCK Relay 5.563,2.177 6.177,2.438 0.615,0.26 10 false 1 1.385,2.177 2,2.438 0.615,0.26 10 false 9 1.906,4.281 2.521,4.542 0.615,0.26 10 false 3B

CAUTION / NOTICE / HINT

NOTICE:
·

Before replacing the main body ECU (multiplex network body ECU), refer to the Service Bulletin.*

*: w/ Entry and Start System

·

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

·

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click hereGeneral>INTRODUCTION>REPAIR INSTRUCTION>PRECAUTION



PROCEDURE

1.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - BATTERY AND BODY GROUND)
a.

Disconnect the door control battery connector.


b.
B533223C23
1.5,0.156 1.906,0.417 0.406,0.26 0.885,0.417 1.25,1.052 true 1.875,1.24 2.25,1.865 true 2.656,0.396 2.26,1.042 true 2.177,1.885 2.573,2.052 0.396,0.167 10 false BECU 1.531,0.198 1.885,0.375 0.354,0.177 10 false N208 0.688,0.24 1.094,0.427 0.406,0.188 10 false BATB 2.594,0.219 2.99,0.417 0.396,0.198 10 false GND1 0.115,0.083 0.729,0.281 0.615,0.198 10 false *a
*a Front view of wire harness connector
(to Door Control Battery)


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

Standard Voltage:
Tester Connection Condition Specified Condition
N208-2 (BATB) - Body ground Always 11 to 14 V
N208-11 (BECU) - 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
N208-3 (GND1) - Body ground Always Below 1 Ω



Result:
Result Proceed to
OK A
NG (GND1 terminal) B
NG (Other terminal) C



A

2.CHECK LIGHTING SYSTEM

B

REPAIR OR REPLACE HARNESS OR CONNECTOR

C

8.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
2.CHECK LIGHTING SYSTEM
a.

Check the lighting system operation.

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM>OPERATION CHECK

OK:

Lighting system operates normally.



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

NG

5.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
3.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
a.

Disconnect the 3A instrument panel junction block assembly connector.


b.

Disconnect the N208 door control battery connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N208-1 (DRLY) - 3A-1 Always Below 1 Ω
N208-1 (DRLY) or 3A-1- Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK DOOR CONTROL BATTERY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK DOOR CONTROL BATTERY
a.
B545267C02
1.458,0.24 1.948,0.542 0.49,0.302 1.615,0.313 1.927,0.51 0.313,0.198 10 false 3A 0.104,0.083 0.417,0.281 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to Instrument Panel Junction Block Assembly)


Disconnect the instrument panel junction block assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3A-1 - 3A-3 Always Below 1 Ω
3A-1 or 3A-3- Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

5.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
a.

Disconnect the 3B instrument panel junction block assembly connector.


b.

Disconnect the N208 door control battery connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N208-12 (EDOR) - 3B-23 Always Below 1 Ω
N208-12 (EDOR) or 3B-23 - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


c.

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

B417873C19
1.948,0.885 2.354,1.125 0.406,0.24 5.417,0.719 5.823,0.958 0.406,0.24 3.521,2.292 3.667,2.292 3.667,2.292 3.781,1.656 false 0.219,0.156 0.531,0.354 0.313,0.198 10 false *a 5.531,0.76 5.844,0.958 0.313,0.198 10 false 3B 2.094,0.927 2.406,1.125 0.313,0.198 10 false A 3.083,2.208 3.604,2.427 0.521,0.219 10 false BECU
*a Component without harness connected
(Instrument Panel Junction Block Assembly)
- -


Standard Resistance:
Tester Connection Condition Specified Condition
A-31 (BECU) - 3B-23 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

7.INSPECT DOOR CONTROL BATTERY (INTERNAL CIRCUIT)

NG

7.INSPECT DOOR CONTROL BATTERY (INTERNAL CIRCUIT)
a.
B581819C19
1.51,0.073 1.948,0.365 0.438,0.292 0.865,2 1.01,2 1.01,2 1.51,1.188 true 0.427,1.917 0.896,2.073 0.469,0.156 10 false EDOR 1.552,0.146 1.906,0.323 0.354,0.177 10 false N208 0.125,0.115 0.438,0.271 0.313,0.156 10 false *a
*a Component with harness connected
(Door Control Battery)


Turn the ignition switch off.


b.

Leave the vehicle as is for 30 minutes (wait until the door control battery is discharged).

HINT:

Discharge time is reduced when the door control battery is not fully charged.



c.

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

Standard Voltage:
Tester Connection Condition Specified Condition
N208-12 (EDOR) - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

NG

8.CHECK HARNESS AND CONNECTOR (DOOR CONTROL BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
a.

Disconnect the 3A or 3B instrument panel junction block assembly connector.


b.

Disconnect the N208 door control battery connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N208-11 (BECU) - 3B-22 Always Below 1 Ω
N208-2 (BATB) - 3A-3 Always Below 1 Ω
N208-11 (BECU) or 3B-22 - Other terminals and body ground Always 10 kΩ or higher
N208-2 (BATB) or 3A-3 - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR