Toyota Camry (XV70): Can Communication System
Toyota Camry Repair Manual XV70 (2018-2024) / Power Source, Network / Networking / Can Communication System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Utility
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Combination Table
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- ECU Malfunction (B1003)
- Skid Control ECU Communication Stop Mode
- Clearance Warning ECU Communication Stop Mode
- Air Conditioning Amplifier Communication Stop Mode
- Power Steering ECU Communication Stop Mode
- Steering Angle Sensor Communication Stop Mode
- ECM Communication Stop Mode
- Main Body ECU Communication Stop Mode
- Combination Meter ECU Communication Stop Mode
- Certification ECU Communication Stop Mode
- Center Airbag Sensor Communication Stop Mode
- 4WD Control ECU Communication Stop Mode
- Radio Receiver Assembly Communication Stop Mode
- Blind Spot Monitor Sensor Communication Stop Mode
- Parking Assist ECU Communication Stop Mode
- DCM Communication Stop Mode
- Headup Display Communication Stop Mode
- Millimeter Wave Radar Sensor Communication Stop Mode
- Rear Television Camera Communication Stop Mode
- Restraints Occupant Classification System Module Communication Stop Mode
- Open in Bus 1 Main Bus Line
- Check Bus 1 Lines for Short Circuit
- Check Bus 1 Line for Short to +B
- Check Bus 1 Line for Short to GND
- Open in One Side of Bus 1 Branch Line
- Open in Bus 2 Main Bus Line
- Check Bus 2 Lines for Short Circuit
- Check Bus 2 Line for Short to +B
- Check Bus 2 Line for Short to GND
- Open in Bus 3 Main Bus Line
- Check Bus 3 Lines for Short Circuit
- Check Bus 3 Line for Short to +B
- Check Bus 3 Line for Short to GND
- Open in One Side of Bus 3 Branch Line
- Open in Bus 4 Main Bus Line
- Check Bus 4 Lines for Short Circuit
- Check Bus 4 Line for Short to +B
- Check Bus 4 Line for Short to GND
- Open in One Side of Bus 4 Branch Line
- Open in Bus 5 Main Bus Line
- Check Bus 5 Lines for Short Circuit
- Check Bus 5 Line for Short to +B
- Check Bus 5 Line for Short to GND
- Open in One Side of Bus 5 Branch Line
- Front Camera Module Communication Stop Mode
- Tire Pressure Monitor ECU Communication Stop Mode
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Precaution
PRECAUTION NOTICE FOR INITIALIZATION NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.
System See
Parts Location
PARTS LOCATION ILLUSTRATION
*1 BRAKE ACTUATOR ASSEMBLY
*2 FORWARD RECOGNITION CAMERA
(w/ Front Camera System)
*3 ECM (for A25A-FKS)
*4 ECM (for 2GR-FKS)
System Diagram
SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses.
*A w/ Parking Assist Monitor System or Panoramic View Monitor System
*B w/ Rear View Monitor System
SEE MORE:
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE
1. SECURE VEHICLE (a) Fully apply the parking brake and chock a wheel.
CAUTION:
Make sure to apply the parking brake and chock a wheel before performing this procedure.
If the vehicle is not secure and the shift lever is moved to N, the vehicle may sudden
ECM Communication (C124A00)
DESCRIPTION If the vehicle information stored by the skid control ECU (brake actuator assembly) does not match that sent from the ECM or a new skid control ECU (brake actuator assembly) is installed and the vehicle information has not been stored, this DTC is stored.
DTC No. Detection Item
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