Toyota Corolla Cross: Terminals Of Ecu

A168-1 (BIN2) - Body ground

Auxiliary battery

Always

9.5 to 14 V

A168-2 (GND2) - Body ground

Ground

Always

Below 1 Ω

A168-3 (BIN1) - Body ground

Auxiliary battery

Always

9.5 to 14 V

A168-8 (GND1) - Body ground

Ground

Always

Below 1 Ω

A169-1 (+B) - Body ground

Power source of engine stop and start ECU

Ignition switch ON

9.5 to 14 V

A169-6 (DGND) - Body ground

Ground

Always

Below 1 Ω

A169-10 (NE) - Body ground

Engine speed signal from ECM

Always

10 kΩ or higher

I230-13 (CANH) - Body ground

CAN communication

Always

200 Ω or higher

I230-14 (CANL) - Body ground

CAN communication

Always

200 Ω or higher

I230-15 (LC1H) - Body round

Local bus communication line

Always

200 Ω or higher

I230-16 (LC1L) - Body round

Local bus communication line

Always

200 Ω or higher

I230-18 (IGP) - Body ground

Ignition switch signal

Ignition switch ON

9.5 to 14 V

I230-19 (ACC) - Body ground

Ignition switch signal

Ignition switch ACC

9.5 to 14 V

I230-21 (IGR) - Body ground

Ignition switch signal

Ignition switch ON

9.5 to 14 V

A168-6 (OP21) - A169-6 (DGND)

Oil pump with motor assembly drive power source signal

One of the following conditions is met:

• Engine stopped by stop and start system control
• Ignition switch ON (engine not running) and Active Test "Oil Pump" being performed

10.5 to 16 V

A169-3 (BRE2) - Body ground

Ground (vacuum sensor assembly)

Always

Below 1 Ω

A169-7 (BNT1) - A169-6 (DGND)

Engine hood courtesy switch (hood lock with courtesy light switch 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

A169-9 (OPMI) - A169-6 (DGND)

Oil pump with motor assembly directions signal

One of the following conditions is met:

• Engine stopped by stop and start system control
• Ignition switch ON (engine not running) and Active Test "Oil Pump" being performed

Pulse generation

(See waveform 1)

A169-10 (NE) - A169-6 (DGND)

Engine speed signal from ECM

Idling after engine warmed up

Pulse generation

(See waveform 2)

A169-13 (PB) - A169-3 (BRE2)

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

A169-14 (BRVC) - A169-6 (DGND)

Vacuum sensor assembly power supply

• Ignition switch ON
• Engine stopped

4.5 to 5.5 V

A169-17 (CLL) - A169-6 (DGND)

Park/Neutral position switch assembly signal

• 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

A169-19 (DON2) - A169-6 (DGND)*1

External backup boost converter (eco run vehicle converter assembly) signal

Engine running

Pulse generation

(see waveform 3)

A169-21 (STA) - A169-6 (DGND)

Starter pinion operation signal

Cranking

6.0 V or more

A169-27 (NOPM) - A169-6 (DGND)

Oil pump with motor assembly speed signal

One of the following conditions is met:

• Engine stopped by stop and start system control
• Ignition switch ON (engine not running) and Active Test "Oil Pump" being performed

Pulse generation

(See waveform 4)

I230-23 (IG31) - A169-6 (DGND)

Backup boost converter signal

Ignition switch ON

10.5 to 16 V

I230-2 (B41) - A169-6 (DGND)

Backup boost converter signal

Always

10.5 to 16 V

I230-3 (IG41) - A169-6 (DGND)

Backup boost converter signal

Ignition switch ON

10.5 to 16 V

I230-5 (ECAN) - A169-6 (DGND)

Stop and start system cancel switch (combination switch assembly) signal

• Ignition switch ON
• Stop and start system cancel switch (combination switch assembly) pressed

Below 1.5 V

• Ignition switch ON
• Stop and start system cancel switch (combination switch assembly) not pressed

8 to 14 V

I230-10 (IG12) - A169-6 (DGND)

Backup boost converter signal

Ignition switch ON

10.5 to 16 V

I230-18 (IGP) - A169-6 (DGND)

Ignition switch signal

Ignition switch ACC

Below 1 V

Ignition switch ON

9.5 to 14 V

I230-19 (ACC) - A169-6 (DGND)

Ignition switch signal

Ignition switch off

Below 1 V

Ignition switch ACC

9.5 to 14 V

I230-21 (IGR) - A169-6 (DGND)

Ignition switch signal

Ignition switch ACC

Below 1 V

Ignition switch ON

9.5 to 14 V

Tester Connection

A169-9 (OPMI) - A169-6 (DGND)

Tool Setting

5 V/DIV., 5 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 "Oil Pump" being performed

Tester Connection

A169-10 (NE) - A169-6 (DGND)

Tool Setting

5 V/DIV., 2 ms./DIV.

Condition

Idling after engine warmed up

Tester Connection

A169-19 (DON2) - A169-6 (DGND)

Tool Setting

5 V/DIV., 2 ms./DIV.

Condition

Engine running

Tester Connection

A169-27 (NOPM) - A169-6 (DGND)

Tool Setting

5 V/DIV., 5 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 "Oil Pump" being performed