STOP AND START SYSTEM(for 8GR-FKS) TERMINALS OF ECU

ENGINE STOP AND START ECU

1. Disconnect the engine stop and start ECU connectors.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   A33-1 (BIN2) - Body ground	R - Body ground	Battery	Always	9.5 to 14 V
   A33-2 (GND2) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
   A33-3 (BIN1) - Body ground	B - Body ground	Battery	Always	9.5 to 14 V
   A33-8 (GND1) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
   A34-1 (+B) - Body ground	V - Body ground	Power source of engine stop and start ECU	Engine switch on (IG)	9.5 to 14 V
   A34-6 (DGND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
   A34-10 (NE) - Body ground	LA-W - Body ground	Engine speed signal from ECM	Always	10 kΩ or higher
   G84-13 (CANH) - Body ground	L - Body ground	CAN communication	Always	200 Ω or higher
   G84-14 (CANL) - Body ground	W - Body ground	CAN communication	Always	200 Ω or higher
   G84-18 (IG2) - Body ground	G - Body ground	Engine switch signal	Engine switch on (IG)	9.5 to 14 V
   G84-19 (ACC) - Body ground	R - Body ground	Engine switch signal	Engine switch on (ACC)	9.5 to 14 V
   G84-21 (IG1) - Body ground	R - Body ground	Engine switch signal	Engine switch on (IG)	9.5 to 14 V

3. Reconnect the engine stop and start ECU connectors.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   A34-3 (BRE2) - Body ground	V - Body ground	Ground (vacuum sensor assembly)	Always	Below 1 Ω
   A34-7 (BNT1) - A34-6 (DGND)	G - W-B	Engine hood courtesy switch (hood lock assembly) signal	Engine switch on (IG) Engine stopped Engine hood closed	Below 1.5 V
   			Engine switch on (IG) Engine stopped Engine hood open	8 to 14 V
   A34-10 (NE) - A34-6 (DGND)	LA-W - W-B	Engine speed signal from ECM	Idling after engine warmed up	Pulse generation (See waveform 1)
   A34-13 (PB) - A34-3 (BRE2)	P - V	Vacuum sensor assembly signal	Engine switch on (IG) Absolute pressure of 40 kPa (300 mmHg, 11.8 in.Hg) applied to vacuum sensor assembly	1.6 to 2.0 V
   			Engine switch on (IG) Absolute pressure of 60 kPa (450 mmHg, 17.7 in.Hg) applied to vacuum sensor assembly	2.2 to 2.6 V
   			Engine switch on (IG) Atmospheric pressure applied to vacuum sensor assembly	3.4 to 3.8 V
   A34-14 (BRVC) - A34-6 (DGND)	B - W-B	Vacuum sensor assembly power supply	Engine switch on (IG) Engine stopped	4.5 to 5.5 V
   A34-19 (DON2) - A34-6 (DGND)	L - W-B	External backup boost converter (eco run vehicle converter assembly) signal	Engine running	Pulse generation (See waveform 2)
   A34-21 (STA) - A34-6 (DGND)	R - W-B	Starter pinion operation signal	Cranking	6.0 V or more
   A34-23 (STA2) - A34-6 (DGND)	B - W-B	Starter motor operation signal	Cranking	6.0 V or more
   G84-1 (IG31) - A34-6 (DGND)	R - W-B	Backup boost converter signal	Engine switch on (IG)	10.5 to 16 V
   G84-2 (B41) - A34-6 (DGND)	P- W-B	Backup boost converter signal	Always	10.5 to 16 V
   G84-3 (IG41) - A34-6 (DGND)	B - W-B	Backup boost converter signal	Engine switch on (IG)	10.5 to 16 V
   G84-5 (ECAN) - A34-6 (DGND)	Y - W-B	Stop and start system cancel switch (eco run cancel switch assembly) signal	Engine switch on (IG) Stop and start system cancel switch (eco run cancel switch assembly) pressed	Below 1.5 V
   			Engine switch on (IG) Stop and start system cancel switch (eco run cancel switch assembly) not pressed	8 to 14 V
   G84-6 (IG11) - A34-6 (DGND)	R - W-B	Backup boost converter signal	Engine switch on (IG)	10.5 to 16 V
   G84-9 (EMOP) - G84-8 (EGND)	W - B	Accumulator with solenoid assembly operation signal	Engine switch on (IG) Power not supplied to accumulator with solenoid assembly	Below 1.5 V
   			Either of the following conditions is met: Power supplied to accumulator with solenoid assembly Engine switch on (IG) (engine not running) and Active Test "Accumulator Drive" being performed	8 to 14 V
   G84-10 (IG12) - A34-6 (DGND)	G - W-B	Backup boost converter signal	Engine switch on (IG)	10.5 to 16 V
   G84-11 (B43) - A34-6 (DGND)	B - W-B	Backup boost converter signal	Always	10.5 to 16 V
   G84-12 (B42) - A34-6 (DGND)	R - W-B	Backup boost converter signal	Always	10.5 to 16 V
   G84-16 (B12) - A34-6 (DGND)	L - W-B	Backup boost converter signal	Always	10.5 to 16 V
   G84-23 (B11) - A34-6 (DGND)	L - W-B	Backup boost converter signal	Always	10.5 to 16 V
   G84-18 (IG2) - A34-6 (DGND)	G - W-B	Engine switch signal	Engine switch on (ACC)	Below 1 V
   			Engine switch on (IG)	9.5 to 14 V
   G84-19 (ACC) - A34-6 (DGND)	R - W-B	Engine switch signal	Engine switch off	Below 1 V
   			Engine switch on (ACC)	9.5 to 14 V
   G84-21 (IG1) - A34-6 (DGND)	R - W-B	Engine switch signal	Engine switch on (ACC)	Below 1 V
   			Engine switch on (IG)	9.5 to 14 V
   G84-24 (AC41) - A34-6 (DGND)	R - W-B	Backup boost converter signal	Engine switch on (ACC)	10.5 to 16 V
   G84-26 (IG13) - A34-6 (DGND)	LG - W-B	Backup boost converter signal	Engine switch on (IG)	10.5 to 16 V

5. 

   *a	5 V/DIV.
   *b	2 ms./DIV.

   Waveform 1

   Item	Content
   Tester Connection	A34-10 (NE) - A34-6 (DGND)
   Tool Setting	5 V/DIV., 2 ms./DIV.
   Condition	Idling after engine warmed up

6. 

   *a	5 V/DIV.
   *b	2 ms./DIV.

   Waveform 2

   Item	Content
   Tester Connection	A34-19 (DON2) - A34-6 (DGND)
   Tool Setting	5 V/DIV., 2 ms./DIV.
   Condition	Engine running