DIAGNOSIS SYSTEM (Oct 24, 2012, Toyota Hybrid Camry Repair Manual)

1. ECUS OR SENSORS WHICH COMMUNICATE THROUGH CAN COMMUNICATION SYSTEM
(a) V Bus
(1) ECM
(2) Brake booster with master cylinder assembly (Skid control ECU)
(3) Main body ECU (Multiplex network body ECU)
(4) Air conditioning amplifier assembly
(5) Power steering ECU assembly
(6) Smart key ECU assembly (Certification ECU)
(7) Airbag sensor assembly
(8) Steering sensor
(9) Clearance warning ECU assembly*4
(10) Power management control ECU
(11) Combination meter assembly
(12) Navigation ECU sub-assembly*1*2
(13) Radio and display receiver assembly*3
(14) Yaw rate sensor*6
(b) Sub Bus 11*5
(1) Power management control ECU
(2) Blind spot monitor sensor LH
(3) Blind spot monitor sensor RH
(c) Sub Bus 15
(1) ECM
(2) Power management control ECU
(3) Brake booster with master cylinder assembly (Skid control ECU)
HINT:

2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION
(a) The systems (ECUs and sensors) that adopt CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed on the vehicle.
HINT:
The names of ECUs and sensors shown on the Techstream display may differ from those shown in the DTC Table by ECU section that follows.


ECU/Sensor Name

Techstream Display

Applicability

ECM

ECM (Engine)

Installed on all vehicles

Multiplex network body ECU

Main Body

Installed on all vehicles

Brake booster with master cylinder assembly
(Skid control ECU)

Skid Control (ABS/VSC/TRAC)

Installed on all vehicles

Radio and display receiver assembly

Display and Navigation (AVN1)

Vehicles with radio and display receiver assembly (w/o intuitive parking assist system)

Navigation ECU sub-assembly

Display and Navigation (AVN1)

  • Vehicles with navigation receiver assembly
  • Vehicles with radio and display receiver assembly (w/ intuitive parking assist system)

Power steering ECU assembly

Power Steering (EPS)

Installed on all vehicles

Air conditioning amplifier assembly

Air Conditioning Amplifier

Installed on all vehicles

Airbag sensor assembly

Airbag

Installed on all vehicles

Smart key ECU assembly
(Certification ECU)

Certification (Smart)

Installed on all vehicles

Clearance warning ECU assembly

Clearance warning (Intuitive Parking Assist2)

Vehicles with intuitive parking assist system

Power management control ECU

  • Hybrid Vehicle Control
  • Power management1

Installed on all vehicles

Steering sensor

Spiral cable (Steering Angle Sensor)

Installed on all vehicles

Combination meter assembly

Combination Meter

Installed on all vehicles

Blind spot monitor sensor LH

Blind Spot Monitor Slave

Vehicles with blind spot monitor system

Blind spot monitor sensor RH

Blind Spot Monitor Master

Vehicles with blind spot monitor system

Yaw rate sensor

Yaw Rate Sensor

Vehicles with separate type yaw rate sensor