Diagnosis System
NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM
1. BUS CHECK
HINT
Only CAN communication system DTCs for each ECU can be displayed on the Techstream.
(a) Select "CAN Bus Check" from "System Select".
2. CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) Systems (ECUs and sensors) that use CAN communication vary depending on the optional settings of the vehicle. Check which systems (ECUs and sensors) are installed on the vehicle.
3. DTC TABLE BY ECU
HINT
* In the CAN communication system, CAN communication system DTCs stored by the ECU can be output by using the Techstream.
* If CAN communication system DTCs are output, the trouble cannot be determined solely from the DTCs. Perform troubleshooting according to "How to Proceed with Troubleshooting".
(a) SKID CONTROL ECU
HINT
DTC communication uses the CAN communication system.
*1: w/ VDIM
(b) MAIN BODY ECU
HINT
DTC communication uses the CAN communication system.
(c) CERTIFICATION ECU (SMART KEY ECU)
For vehicles with the smart key system only.
HINT
DTC communication uses the CAN communication system.
(d) PARKING ASSIST ECU
For vehicles with the parking assist monitor system only.
HINT
DTC communication uses the CAN communication system.
(e) CLEARANCE WARNING ECU
For vehicles with the intuitive parking assist system only.
HINT
DTC communication uses the CAN communication system.
(f) AIR CONDITIONING AMPLIFIER
HINT
DTC communication uses the CAN communication system.
(g) 4WD CONTROL ECU
For AWD only.
HINT
DTC communication uses the CAN communication system.
(h) ECM
HINT
ECM is connected to the CAN communication system but CAN communication DTCs are not stored.
(i) OUTER MIRROR CONTROL ECU
HINT
DTC communication uses the CAN communication system.
(j) CENTER AIRBAG SENSOR ASSEMBLY
HINT
The center airbag sensor assembly is connected to the CAN communication system but CAN communication DTCs are not stored.
(k) DRIVING SUPPORT ECU
For vehicle with dynamic radar cruise control only.
HINT
DTC communication uses the CAN communication system.
(l) POWER MANAGEMENT CONTROL ECU
For vehicle with smart key system only.
HINT
DTC communication uses the CAN communication system.
(m) POSITION CONTROL ECU AND SWITCH
For power seat with memory only.
HINT
The position control ECU and switch is connected to the CAN communication system but CAN communication DTCs are not stored.
(n) AFS ECU
For vehicle with HID headlight system only.
HINT
DTC communication uses the CAN communication system.
(o) NETWORK GATEWAY ECU
For vehicle without smart key system only.
HINT
DTC communication uses the CAN communication system.
(p) POWER STEERING ECU
HINT
DTC communication uses the CAN communication system.
(q) SEAT BELT CONTROL ECU
For vehicle with pre-collision system only.
HINT
DTC communication uses the CAN communication system.
(r) STEERING ANGLE SENSOR
HINT
The steering angle sensor is connected to CAN communication system but CAN communication DTCs are not stored.
(s) YAW RATE SENSOR
For vehicle with the VDIM only.
HINT
The yaw rate sensor is connected to CAN communication system but CAN communication DTCs are not stored.
(t) COMBINATION METER
HINT
The combination meter is connected to CAN communication system but CAN communication DTCs are not stored.
(u) POWER BACK DOOR UNIT (BACK DOOR ECU)
For vehicle with the power back door only.
HINT
The power back door unit (back door ECU) is connected to CAN communication system but CAN communication DTCs are not stored.
(v) SLIDE DOOR MOTOR UNIT (SLIDE DOOR ECU)
For vehicle with the power slide door only.
HINT
The slide door motor unit (slide door ECU) is connected to CAN communication system but CAN communication DTCs are not stored.
4. DTC COMBINATION TABLE
HINT
o: Stored.
x: When one side of branch wire is open, storage may occur.
*1: w/ VDIM
*2: w/ Smart Key System
*3: w/ Dynamic Radar Cruise Control System
*4: w/ HID Headlight System
*5: w/ Parking Assist Monitor System
*6: w/o Smart Key System
*7: w/ Pre-collision System
*8: w/ Memory
*9: w/ Intuitive Parking Assist System
*10: for AWD