Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Work Procedure

WORK PROCEDURE

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED (for HEV Model)

Replacement Part

Necessary Procedure

Effect/Inoperative Function when Necessary Procedures are not Performed

Link

*1: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*2: w/ Telematics Transceiver

*3: The vehicle height changes because of suspension or tire replacement.

*4: When the steering sensor is replaced with a new one, ECU security key is necessary.

ECM

Update ECU security key

Vehicle Control History (RoB) are stored

Perform Vehicle Identification Number (VIN) registration

DTC is output

  • Throttle body with motor assembly
  • Cam timing control motor with EDU assembly*1
  • Camshaft timing gear assembly*1
  • Engine assembly
  • Cylinder head sub-assembly
  • Camshaft (for intake or exhaust camshaft)
  • Camshaft timing exhaust gear assembly
  • Piston or piston ring
  • Mass air flow meter sub-assembly
  • Port fuel injector assembly
  • Direct fuel injector assembly
  • Fuel pump (for low pressure side)
  • Fuel pump assembly (for high pressure side)
  • No. 2 fuel pressure sensor (for low pressure side)
  • Fuel pressure sensor (for high pressure side)
  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 2)
  • Engine coolant temperature sensor
  • Spark plug
  • Ignition coil assembly
  • EGR valve assembly
  • Intake system parts
  • Exhaust system parts
  • Knock control sensor

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

Hybrid vehicle control ECU

Update ECU security key

Vehicle Control History (RoB) are stored

Code registration

Hybrid control system cannot be started

See Service Bulletin for the registration method

Inverter with converter assembly

Resolver learning

  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

Hybrid vehicle transaxle assembly

  • Resolver learning
  • Initialize resolver

Rear traction motor with transaxle assembly

  • Resolver learning
  • Initialize resolver
  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

HV battery

  1. Battery status info update
  2. Prediagnostic battery charge
  3. Battery diagnosis

HV battery status information cannot be updated

  • Battery ECU assembly
  • HV battery junction block assembly

Current sensor offset learning

DTCs are stored

HV battery junction block assembly

High voltage fuse accumulated load history reset

DTCs are stored

  • Tire pressure warning ECU and receiver
  • Tire pressure warning valve and transmitter
  • ID Registration
  • Initialization
  • Tire Position Identification

Tire Pressure Warning System

Electric brake booster (brake booster with master cylinder assembly)

Update ECU security key (Only necessary after replacement)

Vehicle Control History (RoB) are stored

  1. Bleed air*1
  2. Perform "Reset Memory"
  3. Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system disabled or malfunctions

Skid control ECU (brake actuator assembly)

Update ECU security key (Only necessary after replacement)

Vehicle Control History (RoB) are stored

  1. Bleed air*1
  2. Perform "Reset Memory"
  3. Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system disabled or malfunctions

Operate the electric parking brake switch

Electric Parking Brake System

  • Brake pedal stroke sensor assembly*1
  • Brake pedal*1
  1. Perform "Reset Memory"
  2. Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly

Airbag ECU assembly*1

ECU configuration (Only necessary after replacement)

Vehicle Control History (RoB) are stored

Update ECU security key (Only necessary after replacement)

Vehicle Control History (RoB) are stored

Write the VIN/Vehicle Identification Number (Only necessary after replacement)

-

Switch the specification information (Only necessary after replacement)

-

  1. Perform "Reset Memory"
  2. Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Airbag system (front passenger side)
  • Seat belt warning system (front passenger)
  • Passenger airbag ON/OFF indicator

Front passenger seat*1

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Airbag system (front passenger side)
  • Seat belt warning system (front passenger)
  • Passenger airbag ON/OFF indicator

Power steering ECU assembly

Assist map writing

  • Vehicle Control History (RoB) are stored
  • EPS warning light illuminates

End position initial setting

Power steering system

Update ECU security key

Vehicle control history (RoB) are stored

  • No. 2 steering intermediate shaft assembly
  • Steering gear assembly

End position initial setting

Power steering system

Electric power steering column sub-assembly

Assist map writing

  • There is a difference in steering effort between turning left and right.
  • Vehicle control history (RoB) are stored

End position initial setting

Power steering system

Radio and display receiver assembly

Software update

-

Register Vehicle Information*2

DCM (Telematics transceiver)

DCM activation

Safety connect system

Code registration

Telematics System

Mobilephone battery

Reset mobilephone battery condition

Safety connect system

Clearance warning ECU assembly

Update ECU security key

Vehicle Control History (RoB) are stored

  • Ultrasonic sensor detection angle
  • Bumper type registration
  • Ultrasonic sensor detection angle registration
  • Intuitive Parking Assist System
  • Parking Support Brake System

Ultrasonic sensor

  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intuitive Parking Assist System
  • Parking Support Brake System

Steering sensor

Update ECU security key*4

Vehicle Control History (RoB) are stored

Suspension, tires, etc.

Rear television camera assembly optical axis (Back camera position setting)

Parking Assist Monitor System

Rear television camera assembly

  • Parking assist monitor system initialization
  • Rear television camera assembly optical axis (Back camera position setting)

Parking Assist Monitor System

Blind spot monitor sensor

Blind spot monitor beam axis adjustment

  • Parking Support Brake System
  • Blind Spot Monitor System

Central gateway ECU (network gateway ECU)

Update ECU security key

Vehicle Control History (RoB) are stored

  • Certification ECU (smart key ECU assembly)
  • Electrical key transmitter sub-assembly
  • ID code box (immobiliser code ECU)

Code registration

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function, HEV Model)
  • Smart Key System (for Start Function, HEV Model)
  • Hybrid control system cannot be started

Main body ECU (multiplex network body ECU)

ECU configuration

-

Code registration

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function, HEV Model)
  • Smart Key System (for Start Function, HEV Model)
  • Hybrid control system cannot be started

Combination meter assembly

Update ECU security key

Vehicle Control History (RoB) are stored

  • No. 1 air conditioning radiator damper servo sub-assembly
  • No. 2 air conditioning radiator damper servo sub-assembly
  • No. 1 blower damper servo sub-assembly
  • Air conditioning amplifier assembly

Initialize servo motor (Air Conditioning System)

DTCs are stored

  • Door window regulator sub-assembly*1
  • Power window regulator motor assembly*1
  • Door glass*1
  • Door glass run*1

Initialize power window control system

  • Auto up and down function
  • Remote control function
  • Key-off operation function
  • Wireless transmitter-linked function
  • Key-linked function
  • Window open warning function
  • Catch protection function
  • Jam protection function

  • Sliding roof ECU (Sliding roof drive gear sub-assembly)*1
  • Sliding roof glass sub-assembly*1
  • Sliding roof drive cable sub-assembly*1
  • Sliding roof housing sub-assembly*1

Initialize sliding roof system

  • Auto operation function
  • Jam protection function
  • Key-off operation function
  • Wireless transmitter-linked function
  • Key-linked function
  • Sliding roof open warning function

  • Rear height control sensor sub-assembly LH
  • Suspension, tires, etc.*3

Initialize headlight ECU subassembly LH

Automatic headlight beam level control system

Headlight ECU sub-assembly LH

  • Synchronize vehicle information
  • Initialize headlight ECU sub-assembly LH
  • Multiplex network door ECU
  • Power Back Door Unit Assembly Set LH*1
  • Power Back Door Unit Assembly Set RH*1

Reset back door close position

Power Back Door System

Forward recognition camera

Update ECU security key

Vehicle Control History (RoB) are stored

Software version confirmation

  • Front Camera System
  • Automatic High Beam System

Adjust forward recognition camera

  • Front Camera System
  • Automatic High Beam System

One Time Recognition:

Driving Adjustment:

Camera Axis Adjustment Value Write:

Windshield glass*1

Adjust forward recognition camera

  • Front Camera System
  • Automatic High Beam System

One Time Recognition:

Driving Adjustment:

Millimeter wave radar sensor assembly

Adjust millimeter wave radar sensor assembly

  • Front Camera System
  • Front Radar Sensor System
  • Automatic High Beam System

Triangle Target:

Flat Surface Target:

Driving Adjustment:

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED (for Gasoline Model)

Replacement Part

Necessary Procedure

Effect/Inoperative Function when Necessary Procedures are not Performed

Link

*1: When the ECM is replaced with a new one, reset memory is unnecessary.

*2: When the steering sensor is replaced with a new one, ECU security key is necessary.

*3: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*4: The vehicle height changes because of suspension or tire replacement.

*5: w/ Telematics Transceiver

ECM

Perform Vehicle Identification Number (VIN) or frame number registration

DTC P063051 is output

Update ECU security key

Vehicle control history (RoB) are stored

  • Throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Cam timing control motor with EDU assembly
  • Engine assembly
  • Cylinder head sub-assembly
  • Camshaft (for intake or exhaust camshaft)
  • Camshaft timing gear assembly
  • Camshaft timing exhaust gear assembly
  • Piston or piston ring
  • Mass air flow meter sub-assembly
  • Port fuel injector assembly
  • Direct fuel injector assembly
  • Fuel pump (for low pressure side)
  • Fuel pump assembly (for high pressure side)
  • Fuel pressure sensor (for low pressure side)
  • Fuel pressure sensor (for high pressure side)
  • Air fuel ratio sensor
  • Engine coolant temperature sensor
  • Spark plug
  • Ignition coil assembly
  • EGR valve assembly
  • Air intake system parts
  • Gas leaks from exhaust system
  • Knock control sensor

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

  • Tire pressure warning ECU and receiver
  • Tire pressure warning valve and transmitter
  • ID Registration
  • Initialization
  • Tire Position Identification

Tire Pressure Warning System

  • Continuously variable transaxle assembly
  • Transmission valve body assembly
  1. Reset memory
  2. Transaxle compensation code (Input or Initialize)
  3. CVT oil pressure calibration

Deterioration of fuel efficiency

for K120:

for Initialization:

for Registration:

for K120F:

for Initialization:

for Registration:

  • Oil pressure sensor
  • Yaw rate and acceleration sensor (airbag ECU assembly)
  1. Reset memory
  2. CVT oil pressure calibration

TCM (If possible, read the transaxle compensation code from the previous TCM)

  1. Reset memory
  2. Transaxle compensation code (Input or Initialize)
  3. CVT oil pressure calibration

TCM (If possible, read the transaxle compensation code from the previous TCM)

Update ECU security key

Vehicle Control History (RoB) are stored

CVT fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

for K120:

for Initialization:

for K120F:

for Initialization:

Bleed air from oil pump (continuously variable transaxle assembly)

Stop and Start System

Skid control ECU (brake actuator assembly)

Update ECU security key

Vehicle Control History (RoB) are stored

Perform "Calibration"

  • DTCs are stored
  • ABS warning light illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly

Operate the electric parking brake switch

Electric Parking Brake System

Airbag ECU assembly

  • Perform "Reset Memory"
  • Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Airbag system (front passenger side)
  • Seat belt warning system (front passenger)
  • Passenger airbag ON/OFF indicator

Reset memory

Dynamic torque control AWD system

Update ECU security key

Vehicle control history (RoB) are stored

ECU configuration (Only necessary after replacement)

Vehicle Control History (RoB) are stored

Write the VIN/Vehicle Identification Number (Only necessary after replacement)

-

Switch the specification information (Only necessary after replacement)

-

Front passenger seat*3

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Airbag system (front passenger side)
  • Seat belt warning system (front passenger)
  • Passenger airbag ON/OFF indicator

Starter assembly

NOTICE:

When the starter assembly is replaced, "ST relay" must be also replaced.

Clear the number of starter operations

Stop and start system

Oil pump with motor assembly

Check oil pump with motor assembly

Engine stop and start ECU

  1. Upload the number of starter operations
  2. Reset air conditioning information
  3. Learning of air conditioning information
  4. Clear the zero point calibration data
  5. Perform zero point calibration of the deceleration sensor
  6. Check oil pump with motor assembly

Update ECU security key

Vehicle control history (RoB) are stored

Power steering ECU assembly

Assist map writing

  • EPS warning light illuminates
  • Vehicle control history (RoB) are stored

End position initial setting

Power steering system

Update ECU security key

Vehicle control history (RoB) are stored

  • No. 2 steering intermediate shaft assembly
  • Steering gear assembly

End position initial setting

Power steering system

Electric power steering column sub-assembly

Assist map writing

  • There is a difference in steering effort between turning left and right.
  • Vehicle control history (RoB) are stored

End position initial setting

Power steering system

Radio and display receiver assembly

software update

-

Register Vehicle Information*5

  • Multiplex network door ECU
  • Power Back Door Unit Assembly Set LH*3
  • Power Back Door Unit Assembly Set RH*3

Reset back door close position

Power Back Door System

Central gateway ECU (network gateway ECU)

Update ECU security key

Vehicle Control History (RoB) are stored

DCM (Telematics transceiver)

DCM activation

Safety connect system

Code registration

Telematics system

Mobilephone battery

Reset mobilephone battery condition

Safety connect system

Clearance warning ECU assembly

Update ECU security key

Vehicle control history (RoB) are stored

  • Ultrasonic sensor detection angle
  • Bumper type registration
  • Ultrasonic sensor detection angle registration
  • Intuitive parking assist system
  • Parking support brake system

Ultrasonic sensor

  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration

Suspension, tires, etc.

Rear television camera assembly optical axis (Back camera position setting)

Parking assist monitor system

Steering sensor

Update ECU security key*2

Vehicle control history (RoB) are stored

Rear television camera assembly

  • Parking assist monitor system initialization
  • Rear television camera assembly optical axis (Back camera position setting)

Parking assist monitor system

Blind spot monitor sensor

Blind spot monitor beam axis adjustment

  • Parking support brake system
  • Blind spot monitor system
  • Vehicle control history (RoB) are stored

w/ Smart Key System:
  • Smart key ECU assembly (certification ECU)
  • Electrical key transmitter sub-assembly
  • ECM

Code registration

  • Wireless door lock control system (w/ Smart Key System)
  • Smart Key System (for Entry Function, Gasoline Model)
  • Smart Key System (for Start Function, Gasoline Model)
  • Engine start function

Main body ECU (multiplex network body ECU)

ECU configuration

-

Code registration

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function, Gasoline Model)
  • Smart Key System (for Start Function, Gasoline Model)
  • Engine start function

w/o Smart Key System:
  • Door control transmitter assembly
  • Transponder key ECU assembly
  • ID code box (Immobiliser control ECU)

Code registration

Engine start function

w/o Smart Key System:
  • Door control transmitter sub-assembly
  • Door control receiver

Register a new recognition code

Wireless door lock control system (w/o Smart Key System)

Air conditioning amplifier assembly

  • Reset air conditioning information
  • Learning of air conditioning information

Engine start function

Combination meter assembly

Update ECU security key

Vehicle Control History (RoB) are stored

  • No. 1 air conditioning radiator damper servo sub-assembly
  • No. 2 air conditioning radiator damper servo sub-assembly
  • No. 1 blower damper servo sub-assembly
  • Air conditioning amplifier assembly

Initialize servo motor (Air Conditioning System)

DTCs are stored

  • Door window regulator sub-assembly*3
  • Power window regulator motor assembly*3
  • Door glass*3
  • Door glass run*3

Initialize power window control system

  • Auto up and down function
  • Jam protection function
  • Remote control function
  • Key-linked function
  • Wireless transmitter-linked function
  • Key-off operation function
  • Catch protection function
  • Window open warning function

  • Sliding roof ECU (Sliding roof drive gear sub-assembly)*3
  • Sliding roof glass sub-assembly*3
  • Sliding roof drive cable sub-assembly*3
  • Sliding roof housing sub-assembly*3

Initialize sliding roof system

  • Auto operation function
  • Jam protection function
  • Key-off operation function
  • Key-linked function
  • Wireless transmitter-linked function
  • Sliding roof open warning function

  • Rear height control sensor sub-assembly LH
  • Suspension, tires, etc.*4

Initialize headlight ECU sub-assembly LH

Automatic headlight beam level control system

Headlight ECU sub-assembly LH

  • Synchronize vehicle information
  • Initialize headlight ECU sub-assembly LH

Forward recognition camera

Update ECU security key

Vehicle Control History (RoB) are stored

Software version confirmation

  • Front Camera System
  • Automatic High Beam System

Adjust forward recognition camera

  • Front Camera System
  • Automatic High Beam System

One Time Recognition:

Driving Adjustment:

Camera Axis Adjustment Value Write:

Windshield glass*3

Adjust forward recognition camera

  • Front Camera System
  • Automatic High Beam System

One Time Recognition:

Driving Adjustment:

Millimeter wave radar sensor assembly

Adjust millimeter wave radar sensor assembly

  • Front Camera System
  • Automatic High Beam System

Triangle Target:

Flat Surface Target:

Driving Adjustment:

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