RM3660EC _58 Vehicle Interior _080747 THEFT DETERRENT / KEYLESS ENTRY _0586355 THEFT DETERRENT SYSTEM(for NR Series Engine) U

THEFT DETERRENT / KEYLESS ENTRY  THEFT DETERRENT SYSTEM(for NR Series Engine)  TERMINALS OF ECU  


CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK ASSEMBLY


B608226N01
1.125,3.25 1.563,3.5 0.438,0.25 3.156,3.25 3.594,3.5 0.438,0.25 5.448,3.24 5.885,3.49 0.438,0.25 1.698,4.573 2.135,4.823 0.438,0.25 1.104,6.167 1.542,6.417 0.438,0.25 3.667,6.125 4.104,6.375 0.438,0.25 6.313,6.198 6.75,6.448 0.438,0.25 3.365,7.646 3.802,7.896 0.438,0.25 5.385,4.615 5.823,4.865 0.438,0.25 5.302,6.198 5.74,6.448 0.438,0.25 1.656,1.208 1.958,1.208 false 1.667,1.552 1.969,1.552 false 1.667,1.875 1.969,1.875 false 4.042,0.792 4.042,0.313 4.042,0.313 4.229,0.313 false 3.469,7.677 3.781,7.875 0.313,0.198 10 false MB 4.292,0.219 4.604,0.417 0.313,0.198 10 false MB 2.042,1.135 2.354,1.333 0.313,0.198 10 false I86 2.052,1.479 2.365,1.677 0.313,0.198 10 false I85 2.052,1.802 2.49,2.021 0.438,0.219 10 false O157 0.865,1.073 1.177,1.271 0.313,0.198 10 false 4A 0.865,1.646 1.177,1.844 0.313,0.198 10 false 4B 0.865,2.021 1.177,2.219 0.313,0.198 10 false 4C 5.854,1.146 6.167,1.344 0.313,0.198 10 false 4F 5.854,1.76 6.167,1.958 0.313,0.198 10 false 4E 1.188,3.281 1.552,3.49 0.365,0.208 10 false O157 3.271,3.281 3.583,3.479 0.313,0.198 10 false I85 5.552,3.271 5.865,3.469 0.313,0.198 10 false I86 1.833,4.604 2.146,4.802 0.313,0.198 10 false 4E 1.24,6.198 1.552,6.396 0.313,0.198 10 false 4B 3.813,6.156 4.125,6.354 0.313,0.198 10 false 4A 5.427,6.24 5.74,6.438 0.313,0.198 10 false 4D 6.448,6.229 6.76,6.427 0.313,0.198 10 false 4C 5.521,4.646 5.833,4.844 0.313,0.198 10 false 4F 0.885,2.24 1.281,2.469 0.396,0.229 10 false 4D

a.

Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

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


b.

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

Terminal No. (Symbol) Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
I86-19 (GND2) - Body ground W-B - Body ground - Ground Always Below 1 Ω -


c.

Reconnect the driver side junction block assembly connectors.


d.

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

Terminal No. (Symbol) Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
MB-31 (BECU) - Body ground - Input Battery power supply Always 11 to 14 V -
MB-32 (IG) - Body ground - Input Ignition power supply (IG signal) Engine switch off Below 1 V IG SW
Engine switch on (IG) 11 to 14 V
MB-30 (ACC) - Body ground - Input Ignition power supply (ACC signal) Engine switch off Below 1 V ACC SW
Engine switch on (ACC) 11 to 14 V
MB-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
I85-1 (FLCY) - Body ground BR - Body ground Input Front door courtesy light switch assembly (for LH) input Front door LH closed 10 kΩ or higher FL Door Courtesy SW
Front door LH open Below 1 Ω
I85-6 (FRCY) - Body ground SB - Body ground Input Front door courtesy light switch assembly (for RH) input Front door RH closed 10 kΩ or higher FR Door Courtesy SW
Front door RH open Below 1 Ω
MB-13 (LCTY) - Body ground - Input Rear door courtesy light switch assembly (for LH) input Rear door LH closed 10 kΩ or higher RL Door Courtesy SW
Rear door LH open Below 1 Ω
MB-2 (RCTY) - Body ground - Input Rear door courtesy light switch assembly (for RH) input Rear door RH closed 10 kΩ or higher RR Door Courtesy SW
Rear door RH open Below 1 Ω
I85-30 (HCTY) - Body ground R - Body ground Input Engine hood courtesy switch input Engine hood open 10 kΩ or higher Hood Courtesy SW
Engine hood closed Below 1 Ω
MB-4 (LGCY) - Body ground - Input Luggage compartment door courtesy light switch input Luggage compartment door closed 10 kΩ or higher Luggage Courtesy SW
Luggage compartment door open Below 1 Ω


e.

Install the main body ECU (multiplex network body ECU) to driver side junction block assembly.

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


f.

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

Terminal No. (Symbol) Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
4F-13 (LSFL) - Body ground SB - Body ground Input Front door LH unlock detection switch input Front door LH unlocked Below 1 V FL Door Lock Pos SW
Front door LH locked 11 to 14 V or pulse output (maximum 14 V)*
4F-12 (LSFR) - Body ground BR - Body ground Input Front door RH unlock detection switch input Front door RH unlocked Below 1 V FR Door Lock Pos SW
Front door RH locked 11 to 14 V or pulse output (maximum 14 V)*
I84-18 (L2) - Body ground G - Body ground Input Driver door key-linked lock input Driver door key cylinder turned to lock position Below 1 V Door Key SW-Lock
Driver door key cylinder off 11 to 14 V
I84-17 (UL3) - Body ground V - Body ground Input Driver door key-linked unlock input Driver door key cylinder turned to unlock position Below 1 V D Door Key SW-UL
Driver door key cylinder off 11 to 14 V
4F-14 (LSR) - Body ground GR - Body ground Input Rear door LH/RH unlock detection switch input Rear door LH or RH unlocked Below 1 V
·

RR-Door Lock Pos SW

·

RL-Door Lock Pos SW


Rear door LH and RH locked 11 to 14 V or pulse output (maximum 14 V)*
4B-26 (SH) - Body ground Y - Body ground Output Security horn assembly drive Security horn assembly sounding
(Theft deterrent system in alarm sounding state) 		Pulse generation
(Below 1 V ←→ 11 to 14 V) 		-
4B-27 (HORN) - Body ground L - Body ground Output Vehicle horns drive Vehicle horns sounding
(Theft deterrent system in alarm sounding state) 		Pulse generation
(Below 1 V ←→ 11 to 14 V) 		-

*: Differs depending on the vehicle model