Toyota Corolla Cross: Terminals Of Ecu

I223-15 (NE) - Body ground

Engine speed signal

Always

10 kΩ or higher

Engine Condition

I223-21 (STP1) - Body ground

Stop light switch signal

Brake pedal depressed → Brake pedal released

9 V or higher → 1 V or less

• Stop Light Switch

I222-6 (+B) - I222-29 (E)

Power source

Ignition switch off

11 to 14 V

-

I222-14 (P) - I222-29 (E)

P position signal

Shift lever in P → Shift lever not in P

30 kΩ or higher → Below 200 Ω

• Shift P Signal

I223-22 (CUTB) - Body ground

Dark current cut pin*

Ignition switch off

11 to 14 V

-

I222-29 (E) - Body ground

GND

Always

Below 1 Ω

-

I222-23 (SSW3) - Body ground

SSW3 contact signal

Engine switch pushed → Engine switch not pushed

Below 15 Ω → 10 kΩ or higher

• Push Start Switch 3

I222-27 (SSW2) - Body ground

SSW2 contact signal

Engine switch pushed → Engine switch not pushed

Below 15 Ω → 10 kΩ or higher

• Push Start Switch 2

I222-19 (SSW1) - Body ground

SSW1 contact signal

Engine switch pushed → Engine switch not pushed

Below 15 Ω → 10 kΩ or higher

• Push Start Switch 1

I223-13 (SPD) - Body ground

Vehicle speed signal

Always

30 kΩ or higher

Vehicle Speed Signal

I223-3 (STA) - I222-29 (E)

When starting the engine, this monitors the voltage sent from terminal STAR to the starter relay to judge whether the engine is "being started".

Engine switch pressed and held with brake pedal depressed (starter on) → Approximately 1 second after engine switch released (starter off)

6 V or higher*2 → 1.0 V or less

-

I223-10 (STAR) -I222-29 (E)

Outputs voltage to the starter relay

• Outputs voltage (12 V) to the starter relay when starting the engine. (Max. 30 sec. Turns off when an engine speed of 1000 rpm.)

HINT:

When Hi is selected, a start request signal (STAR) will not be output even though a start request signal (STSW) is input.

Engine switch pressed and held with brake pedal depressed (starter on) → Approximately 1 second after engine switch released (starter off)

6 V or higher*2 → 1.0 V or less

-

I223-10 (STAR) -I222-29 (E)

Receives neutral start switch (P, N position detection) signal

• Monitors whether the neutral start switch is on (P or N) or off (other than P or N). Applies voltage via a resistor (large) in the certification ECU (smart key ECU assembly). When the neutral start switch is on, due to the starter relay coil resistance (small) using some of the voltage, the voltage at terminal STAR will be low (2.7 V or less), and when the neutral start switch is off, the voltage will be high (9 V or more).

Perform the following operations except while the engine is cranking:

• Shift lever in any position other than P or N → Shift lever in P or N (at 20°C (68°F))

9 V or higher → 2.7 V or less

Neutral SW/ Clutch SW

I223-15 (NE) - I222-29 (E)

Engine speed signal

Idling (engine warmed up)

Pulse generation

(See waveform 1)

Engine Condition

I223-21 (STP1) -I222-29 (E)

Stop light switch signal

Brake pedal released → Brake pedal depressed

1 V or less → 9 V or higher

Stop Light Switch1

I222-11 (SLP) - Body Ground

GND

Always

Below 1 Ω

-

I222-8 (LIN) - I222-29 (E)

LIN communication line

Ignition switch ON

Pulse generation

• Steering Lock Start Condition

I222-14 (P) - I222-29 (E)

P position signal

Shift lever in P → Shift lever not in P

9 V or higher → 2.76 V or less

• Shift P Signal

I222-23 (SSW3) - I222-29 (E)

SSW3 contact signal

Engine switch not pushed → Engine switch pushed

9 V or higher → 1 V or less

• Push Start Switch 3

I222-27 (SSW2) - I222-29 (E)

SSW2 contact signal

Engine switch not pushed → Engine switch pushed

9 V or higher → 1 V or less

• Push Start Switch 2

I222-19 (SSW1) - I222-29 (E)

SSW1 contact signal

Engine switch not pushed → Engine switch pushed

9 V or higher → 1 V or less

• Push Start Switch 1

I222-21 (ACCD) - I222-29 (E)

ACC signal

Ignition switch off → Ignition switch ACC

1 V or less → 8.5 V or higher

• ACC Relay Monitor

I223-11 (IGRD) - I222-29 (E)

IG signal

Ignition switch off → Ignition switch ON

1 V or less → 9 V or higher

• IGR Relay Circuit (Outside) Monitor

I223-24 (IGPD) - I222-29 (E)

IG signal

Ignition switch off → Ignition switch ON

1 V or less → 9 V or higher

• IGP Relay Circuit (Outside) Monitor

I223-13 (SPD) - I222-29 (E)

Vehicle speed signal

Vehicle being driven at approx. 5 km/h (3 mph)

Pulse generation

(See waveform 1)

• Vehicle Running Condition (Line)

I222-4 (CLG5) - I222-29 (E)

Output to No. 1 indoor electrical key antenna assembly (front floor)

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly not inside vehicle
3. Within 30 seconds of closing any door

Pulse generation

(See waveform 2)

-

I222-5 (CG5B) - I222-29 (E)

Output to No. 1 indoor electrical key antenna assembly (front floor) (terminal on opposite side of component from CLG5 output terminal)

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly not inside vehicle
3. Within 30 seconds of closing any door

Pulse generation

(See waveform 2)

-

O200-10 (CLG7) - I222-29 (E)

Output to No. 3 indoor electrical key antenna assembly (inside luggage compartment)

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly not inside vehicle
3. Within 30 seconds of closing any door

Pulse generation

(See waveform 2)

-

O200-9 (CG7B) - I222-29 (E)

Output to No. 3 indoor electrical key antenna assembly (inside luggage compartment) (terminal on opposite side of component from CLG7 output terminal)

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly not inside vehicle
3. Within 30 seconds of closing any door

Pulse generation

(See waveform 2)

-

I222-30 (AGND) - Body ground

Transponder key amplifier ground

Always

Below 1 Ω

-

I222-12 (ANT1) - I222-30 (AGND)

Signal input / output from transponder key coil (transponder key coil built into engine switch)

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Pulse generation

(See waveform 3)

• Encrypt Code Difference

I222-13 (ANT2) - I222-30 (AGND)

Signal input / output from transponder key coil (transponder key coil built into engine switch)

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Pulse generation

(See waveform 4)

I222-25 (IND) - I222-29 (E)

Security indicator output

Ignition switch off → ON

Pulse generation → Below 2 V

-

O200-20 (WCSW) - I222-29 (E)*

Wireless charger system stop signal

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly inside vehicle
3. Ignition switch off → ACC

Below 1 V → 4.5 to 6 V

(For 1 second after ignition switch to ACC)

-

Tester Connection

I223-13 (SPD) - I222-29 (E)

Tool Setting

5 V/DIV., 20 ms./DIV.

Condition

Vehicle being driven at approx. 5 km/h (3 mph)

*a

For 30 seconds after any door closed

*b

After 30 seconds or more have elapsed since any door closed

Tester Connection

I222-4 (CLG5) - I222-29 (E)

I222-5 (CG5B) - I222-29 (E)

O200-2 (CG6B) - I222-29 (E)

O200-1 (CLG6) - I222-29 (E)

O200-10 (CLG7) - I222-29 (E)

O200-9 (CG7B) - I222-29 (E)

Tool Setting

5 V/DIV., 500 ms./DIV.

Condition

Procedure:

1. Ignition switch off
2. Electrical key transmitter sub-assembly not inside vehicle
3. Within 30 seconds of closing any door

Tester Connection

I222-12 (ANT1) - I222-30 (AGND)

Tool Setting

5 V/DIV., 200 ms./DIV.

Condition

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Tester Connection

I222-13 (ANT2) - I222-30 (AGND)

Tool Setting

20 V/DIV., 200 ms./DIV.

Condition

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

I20-1 (+B) - Body ground

Power source

Ignition switch off

11 to 14 V

-

I20-5 (GND) - Body ground

Ground

Always

Below 1 Ω

I20-3 (EFII) - I20-5 (GND)

EFI communication input

(Signal input from ECM to ID code box (immobiliser code ECU))

Ignition switch off

11 to 14 V

• EFI Code Receive
• Start Request

I20-3 (EFII) - I20-5 (GND)

EFI communication input

(Signal input from ECM to ID code box (immobiliser code ECU))

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

Pulse generation

(See waveform 1)

I20-4 (EFIO) - I20-5 (GND)

EFI communication output

(Signal output from ID code box (immobiliser code ECU) to ECM)

Ignition switch off

Below 1 V

I20-4 (EFIO) - I20-5 (GND)

EFI communication output

(Signal output from ID code box (immobiliser code ECU) to ECM)

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

Pulse generation

(See waveform 2)

I20-2 (LIN1) - I20-5 (GND)

LIN communication line

Ignition switch ON

Pulse generation

• Steering Lock Start Condition

*a

Approximately 160 ms.

*b

Approximately 270 ms.

Tester Connection

I20-3 (EFII) - I20-5 (GND)

Tool Setting

2 V/DIV., 500 ms./DIV.

Condition

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

*a

Approximately 160 ms.

*b

Approximately 270 ms.

Tester Connection

I20-4 (EFIO) - I20-5 (GND)

Tool Setting

2 V/DIV., 500 ms./DIV.

Condition

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

A47-2 (IGP) - A47-10 (E1)

Ignition power supply

Ignition switch ON

11 to 14 V

-

A47-14 (IGR) - A47-10 (E1)

Ignition power supply

Ignition switch ON

11 to 14 V

-

A47-10 (E1) - Body ground

Ground

Always

Below 1 Ω

-

A47-25 (IMO) - A47-10 (E1)

EFI communication output

(Signal output from ECM to ID code box (immobiliser code ECU))

Engine switch on (IG)

11 to 14 V

• EFI Code Receive
• Start Request

A47-25 (IMO) - A47-10 (E1)

EFI communication output

(Signal output from ECM to ID code box (immobiliser code ECU))

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

Pulse generation

(See waveform 1)

A47-26 (IMI) - A47-10 (E1)

EFI communication input

(Signal input from ID code box (immobiliser code ECU) to ECM)

Engine switch on (IG)

Below 1 V

A47-26 (IMI) - A47-10 (E1)

EFI communication input

(Signal input from ID code box (immobiliser code ECU) to ECM)

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

Pulse generation

(See waveform 2)

*a

Approximately 160 ms.

*b

Approximately 270 ms.

Tester Connection

A47-25 (IMO) - A47-10 (E1)

Tool Setting

2 V/DIV., 500 ms./DIV.

Condition

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

*a

Approximately 160 ms.

*b

Approximately 270 ms.

Tester Connection

A47-26 (IMI) - A47-10 (E1)

Tool Setting

2 V/DIV., 500 ms./DIV.

Condition

Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after cable disconnected and reconnected to auxiliary battery

I35-3 (GND) - Body ground

Transponder key amplifier ground

Always

Below 1 Ω

-

I35-1 (ANT1) - I35-3 (GND)

Signal input / output from transponder key coil (transponder key coil built into engine switch)

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Pulse generation

(See waveform 1)

• BCC Malfunction
• Abnormal Status
• Encrypt Code Difference
• Different Serial Number
• Frame Error
• No Response

  HINT:

  If immobiliser key code verification communication is not performed correctly, the malfunction may be indicated by one or more of the Data List items listed above

I35-7 (ANT2) - I35-3 (GND)

Signal input / output from transponder key coil (transponder key coil built into engine switch)

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Pulse generation

(See waveform 2)

I35-11 (SS3) - I35-3 (GND)

SS3 contact signal

HINT:

Backup for SS1. Behaves the same way as SS1.

Engine switch not pushed → Engine switch pushed

9 V or higher → Below 1 V

Power Source Control

• Push Start Switch 3

I35-6 (SS2) - I35-3 (GND)

SS2 contact signal

HINT:

Backup for SS1. Behaves the same way as SS1.

Engine switch not pushed → Engine switch pushed

9 V or higher → Below 1 V

Power Source Control

• Push Start Switch 2

I35-12 (SS1) - I35-3 (GND)

SS1 contact signal

Engine switch not pushed → Engine switch pushed

9 V or higher → Below 1 V

Power Source Control

• Push Start Switch 1

Tester Connection

I35-1 (ANT1) - I35-3 (GND)

Tool Setting

20 V/DIV., 200 ms./DIV.

Condition

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed

Tester Connection

I35-7 (ANT2) - I35-3 (GND)

Tool Setting

20 V/DIV., 200 ms./DIV.

Condition

Ignition switch off, electrical key transmitter sub-assembly not in cabin, within 30 seconds of engine switch pressed