RM35X0E _51 Engine / Hybrid System _078825 STOP AND START _0382334 STOP AND START SYSTEM U

STOP AND START  STOP AND START SYSTEM  TERMINALS OF ECU  


ENGINE STOP AND START ECU


B412468
4.99,0.208 5.417,0.458 0.427,0.25 3.198,0.208 3.625,0.458 0.427,0.25 1.563,0.208 1.99,0.458 0.427,0.25 3.292,0.25 3.75,0.448 0.458,0.198 10 false N32 1.656,0.25 2.115,0.448 0.458,0.198 10 false N31 5.083,0.25 5.573,0.521 0.49,0.271 10 false N33

a.

Disconnect the engine stop and start ECU connectors.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
N31-1 (BIN2) - Body ground W - Body ground Battery Always 9.5 to 14 V
N31-2 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
N31-3 (BIN1) - Body ground L - Body ground Battery Always 9.5 to 14 V
N31-8 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
N32-1 (+B) - Body ground P - Body ground Power source of engine stop and start ECU Ignition switch ON 9.5 to 14 V
N32-6 (DGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
N32-10 (NE) - Body ground W - Body ground Engine speed signal from ECM Always 10 kΩ or higher
N33-13 (CANH) - Body ground V - Body ground CAN communication Always 200 Ω or higher
N33-14 (CANL) - Body ground W - Body ground CAN communication Always 200 Ω or higher
N33-18 (IG2) - Body ground LG - Body ground Ignition switch signal Ignition switch ON 9.5 to 14 V
N33-19 (ACC) - Body ground GR - Body ground Ignition switch signal Ignition switch ACC 9.5 to 14 V
N33-21 (IG1) - Body ground SB - Body ground Ignition switch signal Ignition switch ON 9.5 to 14 V


c.

Reconnect the engine stop and start ECU connectors.


d.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

*1: for Manual Transmission

*2: for Automatic Transmission

*3: w/ Navigation System, for Wagon, 12 Speakers

N32-3 (BRE2) - Body ground G - Body ground Ground (vacuum sensor assembly) Always Below 1 Ω
N32-7 (BNT1) - N32-6 (DGND) BE - W-B Engine hood courtesy switch (hood lock assembly) signal
·

Ignition switch ON

·

Engine stopped

·

Engine hood closed


Below 1.5 V
·

Ignition switch ON

·

Engine stopped

·

Engine hood open


8 to 14 V
N32-10 (NE) - N32-6 (DGND) W - W-B Engine speed signal from ECM Idling after engine warmed up Pulse generation
(See waveform 1)
N32-11 (CLU) - N32-6 (DGND)*1 P - W-B Clutch switch assembly (for upper) signal
·

Ignition switch ON

·

Clutch pedal released


Below 1.5 V
·

Ignition switch ON

·

Clutch pedal fully depressed


8 to 14 V
N32-26 (TMVC) - N32-25 (TME2)*1 B - R Neutral position switch power supply Ignition switch ON 4.5 to 5.5 V
N32-8 (TMN) - N32-25 (TME2)*1 L - R Neutral position switch signal
·

Ignition switch ON

·

Shift lever in neutral


2.7 to 4.3 V
·

Ignition switch ON

·

Shift lever in any other than neutral


0.7 to 1.9 V
N32-13 (PB) - N32-3 (BRE2) B - G Vacuum sensor assembly signal
·

Ignition switch ON

·

Absolute pressure of 40 kPa (300 mmHg, 11.8 in.Hg) applied to vacuum sensor assembly


1.6 to 2.0 V
·

Ignition switch ON

·

Absolute pressure of 60 kPa (450 mmHg, 17.7 in.Hg) applied to vacuum sensor assembly


2.2 to 2.6 V
·

Ignition switch ON

·

Atmospheric pressure applied to vacuum sensor assembly


3.4 to 3.8 V
N32-14 (BRVC) - N32-6 (DGND) V - W-B Vacuum sensor assembly power supply
·

Ignition switch ON

·

Engine stopped


4.5 to 5.5 V
N32-17 (CLL) - N32-6 (DGND) W - W-B Park/Neutral position switch assembly signal*2
·

Ignition switch ON

·

Shift lever not in P or N


8 to 14 V
·

Ignition switch ON

·

Shift lever in P or N


Below 3.0 V
Clutch start switch assembly (for lower) signal*1
·

Ignition switch ON

·

Clutch pedal released


8 to 14 V
·

Ignition switch ON

·

Clutch pedal fully depressed


Below 1.5 V
N32-19 (DON2)*3 - N32-6 (DGND) P - W-B External backup boost converter (eco run vehicle converter assembly) signal Engine running Pulse generation
(See waveform 3)
N32-21 (STA) - N32-6 (DGND) R - W-B Starter pinion operation signal Cranking 6.0 V or more
N32-23 (STA2) - N32-6 (DGND) GR - W-B Starter motor operation signal Cranking 6.0 V or more
N33-1 (IG31) - N32-6 (DGND) B - W-B Backup boost converter signal Ignition switch ON 10.5 to 16 V
N33-2 (B41) - N32-6 (DGND) G - W-B Backup boost converter signal Always 10.5 to 16 V
N33-3 (IG41) - N32-6 (DGND) R - W-B Backup boost converter signal Ignition switch ON 10.5 to 16 V
N33-5 (ECAN) - N32-6 (DGND) V - W-B Stop and start system cancel switch (eco run cancel switch assembly) signal
·

Ignition switch ON

·

Stop and start system cancel switch (eco run cancel switch assembly) pressed


Below 1.5 V
·

Ignition switch ON

·

Stop and start system cancel switch (eco run cancel switch assembly) not pressed


8 to 14 V
N33-6 (IG11) - N32-6 (DGND) B - W-B Backup boost converter signal Ignition switch ON 10.5 to 16 V
N33-8 (EGND) - N31-8 (GND1)*2 W - W-B Electromagnetic oil pump directions signal One of the following conditions is met:
·

Engine stopped by stop and start control

·

Ignition switch ON (engine not running) and Active Test "Electromagnetic Oil Pump" being performed


Pulse generation
(See waveform 2)
N33-9 (EMOP) - N31-8 (GND1)*2 R - W-B Electromagnetic oil pump directions signal One of the following conditions is met:
·

Engine stopped by stop and start control

·

Ignition switch ON (engine not running) and Active Test "Electromagnetic Oil Pump" being performed


10.5 to 16 V
N33-10 (IG12) - N32-6 (DGND) P - W-B Backup boost converter signal Ignition switch ON 10.5 to 16 V
N33-11 (B43) - N32-6 (DGND) L - W-B Backup boost converter signal Always 10.5 to 16 V
N33-12 (B42) - N32-6 (DGND) LA-L - W-B Backup boost converter signal Always 10.5 to 16 V
N33-18 (IG2) - N32-6 (DGND) LG - W-B Ignition switch signal Ignition switch ACC Below 1 V
Ignition switch ON 9.5 to 14 V
N33-19 (ACC) - N32-6 (DGND) GR - W-B Ignition switch signal Ignition switch off Below 1 V
Ignition switch ACC 9.5 to 14 V
N33-21 (IG1) - N32-6 (DGND) SB - W-B Ignition switch signal Ignition switch ACC Below 1 V
Ignition switch ON 9.5 to 14 V
N33-24 (AC41) - N32-6 (DGND) BE - W-B Backup boost converter signal Ignition switch ACC 10.5 to 16 V


e.
A318633
2.792,1.042 3.25,1.24 0.458,0.198 10 false GND 0.26,0.073 1.49,0.271 1.229,0.198 10 false 5 V/DIV. 1.313,1.906 2.844,2.104 1.531,0.198 10 false 2 ms./DIV.

Waveform 1

Item Content
Tester Connection N32-10 (NE) - N32-6 (DGND)
Tool Setting 5 V/DIV., 2 ms./DIV.
Condition Idling after engine warmed up


f.
A345972E01
0.115,0.115 1.49,0.313 1.375,0.198 10 false 10 V/DIV. 1.281,1.896 2.052,2.094 0.771,0.198 10 false 20 ms./DIV. 0.115,1.396 0.573,1.594 0.458,0.198 10 false GND 0.219,1.135 0.531,1.333 0.313,0.198 10 false +B 0.104,0.875 0.719,1.073 0.615,0.198 10 false 43 V

Waveform 2

Item Content
Tester Connection N33-8 (EGND) - N31-8 (GND1)
Tool Setting 10 V/DIV., 20 ms./DIV.
Condition One of the following conditions is met:
·

Engine stopped by stop and start control

·

Ignition switch ON (engine not running) and Active Test "Electromagnetic Oil Pump" being performed




g.
A199267
2.917,1.198 3.375,1.396 0.458,0.198 10 false GND 0.24,0.083 1.469,0.281 1.229,0.198 10 false 5 V/DIV. 1.417,1.927 2.792,2.125 1.375,0.198 10 false 2 ms./DIV.

Waveform 3

Item Content
Tester Connection N32-19 (DON2) - N32-6 (DGND)
Tool Setting 5 V/DIV., 2 ms./DIV.
Condition Engine running