RM35X0E _58 Vehicle Interior _078336 DOOR LOCK _0397387 WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Entry and Start System) U

DOOR LOCK  WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Entry and Start System)  TERMINALS OF ECU  


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


E412753C01
3.208,7.729 3.615,8.01 0.406,0.281 5.969,6.26 6.375,6.542 0.406,0.281 2.021,4.49 2.427,4.771 0.406,0.281 5.208,4.469 5.615,4.75 0.406,0.281 1.375,6.073 1.781,6.354 0.406,0.281 3.448,6.083 3.854,6.365 0.406,0.281 5.083,5.969 5.49,6.25 0.406,0.281 5.083,6.302 5.49,6.583 0.406,0.281 3.156,3.052 3.563,3.333 0.406,0.281 5.219,3.042 5.625,3.323 0.406,0.281 1.365,3.063 1.771,3.344 0.406,0.281 0.635,2.167 0.917,2.167 true 1.583,1.438 1.865,1.438 true 1.594,1.698 1.875,1.698 true 1.594,1.146 1.875,1.146 true 1.573,0.51 1.573,0.219 1.573,0.219 1.729,0.219 false 0.854,0.969 1.167,1.167 0.313,0.198 10 false 3D 0.844,1.521 1.156,1.719 0.313,0.198 10 false 3C 0.844,1.854 1.156,2.052 0.313,0.198 10 false 3F 5.833,1.042 6.146,1.24 0.313,0.198 10 false 3B 5.833,1.604 6.146,1.802 0.313,0.198 10 false 3A 0.26,2.083 0.875,2.281 0.615,0.198 10 false 3E*A 0.26,2.281 0.875,2.479 0.615,0.198 10 false 3G*B 3.729,0.833 3.885,1.031 0.156,0.198 10 false A 3.375,7.781 3.531,7.979 0.156,0.198 10 false A 6.094,6.323 6.406,6.521 0.313,0.198 10 false 3F 2.104,4.542 2.417,4.74 0.313,0.198 10 false 3A 5.302,4.531 5.615,4.729 0.313,0.198 10 false 3B 1.5,6.156 1.813,6.354 0.313,0.198 10 false 3C 3.573,6.167 3.885,6.365 0.313,0.198 10 false 3D 5.198,6.021 5.51,6.219 0.313,0.198 10 false 3E 5.188,6.365 5.5,6.563 0.313,0.198 10 false 3G 5.552,6.031 5.865,6.229 0.313,0.198 10 false *A 5.563,6.333 5.875,6.531 0.313,0.198 10 false *B 3.25,3.125 3.708,3.323 0.458,0.198 10 false N19 5.281,3.115 5.74,3.313 0.458,0.198 10 false N18 1.427,3.135 1.885,3.333 0.458,0.198 10 false N20 1.938,1.365 2.396,1.563 0.458,0.198 10 false N19 1.938,1.615 2.396,1.813 0.458,0.198 10 false N20 1.927,1.063 2.385,1.26 0.458,0.198 10 false N18 1.771,0.146 2.083,0.344 0.313,0.198 10 false *1
*A for LHD *B for RHD
*1 Main Body ECU (Multiplex Network Body ECU) - -



b.

Reconnect the instrument panel junction block assembly connectors.


c.

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

Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
A-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
A-30 (ACC) - Body ground - Input ACC power supply Engine switch on (ACC) 11 to 14 V ACC SW
Engine switch off Below 1 V
A-31 (BECU) - Body ground - Input Battery power supply Always 11 to 14 V -
A-32 (IG) - Body ground - Input IG power supply Engine switch on (IG) 11 to 14 V*1
10.5 to 16 V*2
IG SW
Engine switch off Below 1 V

*1: w/o Stop and Start System

*2: w/ Stop and Start System




e.

Measure the voltage and check for pulses according to the value(s) in the table below.

Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
3C-29 (BZR) - Body ground W - Body ground Output Wireless door lock buzzer output Active Test Wireless Buzzer on Pulse generation
(frequency: 2 kHz, high voltage: 11 to 14 V, low voltage: below 1 V)
-
Active Test Wireless Buzzer off Below 1 V



CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


B416786E55
3.25,0.542 3.656,0.781 0.406,0.24 4.531,0.542 4.938,0.781 0.406,0.24 3.302,0.573 3.729,0.781 0.427,0.208 10 false N155 4.563,0.583 4.948,0.771 0.385,0.188 10 false N156

a.

Disconnect the N156 certification ECU (smart key ECU assembly) connector.


b.

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

Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
N156-18 (E) - Body ground BR - Body ground - Ground Always Below 1 Ω -
N156-4 (+B) - Body ground Y - Body ground Input Power supply Always 11 to 14 V -


c.

Reconnect the N156 certification ECU (smart key ECU assembly) connector.


d.

Measure the voltage and check for pulses according to the value(s) in the table below.

Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
N155-18 (RCO) - N156-18 (E) G - BR Output Output to door control receiver
(Power supply for door control receiver. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.)
Procedure:
1.

Engine switch off

2.

Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

3.

Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed


Pulse generation
(See waveform 1)
-
N155-19 (RDAM) - N156-18 (E) P - BR Input Door control receiver verifies data received from electrical key transmitter sub-assembly.
Door control receiver sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Door control receiver intermittently grounds 12 V signal from certification ECU (smart key ECU assembly)).
Proceed:
1.

Engine switch off

2.

All doors locked

3.

Electrical key transmitter sub-assembly not inside vehicle

4.

Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

5.

Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed


Pulse generation
(See waveform 2)
-
N155-20 (CSEL) - N156-18 (E) GR - BR Output Communication channel switching circuit Procedure:
1.

Engine switch off

2.

All doors closed


Below 1 V → pulse generation -


e.
B251178C12
0.198,1 0.531,1.198 0.333,0.198 10 GND 1.01,1.885 1.198,2.042 0.188,0.156 10 *a 2.021,1.885 2.208,2.042 0.188,0.156 10 *b
*a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
*b After lock or unlock switch of electrical key transmitter sub-assembly pressed


Using an oscilloscope, check waveform 1.

HINT:

The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.


Waveform 1 (Reference)
Item Content
Tester Connection N155-18 (RCO) - N156-18 (E)
Tool Setting 2 V/DIV., 500 ms/DIV.
Condition
Procedure:
1.

Engine switch off

2.

Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

3.

Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed




f.
B251177C12
0.208,1 0.542,1.198 0.333,0.198 10 GND 1.021,1.896 1.208,2.052 0.188,0.156 10 *a 2.188,1.906 2.375,2.063 0.188,0.156 10 *b
*a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
*b After lock or unlock switch of electrical key transmitter sub-assembly pressed


Using an oscilloscope, check waveform 2.

HINT:

The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.


Waveform 2 (Reference)
Item Content
Tester Connection N155-19 (RDAM) - N156-18 (E)
Tool Setting 5 V/DIV., 500 ms/DIV.
Condition
Procedure:
1.

Engine switch off

2.

All doors locked

3.

Electrical key transmitter sub-assembly not inside vehicle

4.

Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

5.

Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed