CAN COMMUNICATION SYSTEM > PROBLEM SYMPTOMS TABLE

for Preparation Click here


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.


Result of V1 Bus Check 
Symptom
Suspected Area
See page
Open in CAN Main Bus Line
CAN Main Bus Line
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Short in CAN Bus Lines (for LHD)
CAN Bus Lines
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Short in CAN Bus Lines (for RHD)
CAN Bus Lines
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Short to +B in CAN Bus Line (for LHD)
CAN Bus Line
 Click here
Short to +B in CAN Bus Line (for RHD)
CAN Bus Line
 Click here
Short to GND in CAN Bus Line (for LHD)
CAN Bus Line
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Short to GND in CAN Bus Line (for RHD)
CAN Bus Line
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Open in One Side of CAN Branch Line
CAN Branch Line
 Click here

HINT:
Refer to How to Proceed with Troubleshooting for the CAN V1 Bus Check procedure.


Communication Stop Mode Table 
Symptom
Suspected Area
See page
"ABS/VSC/TRC" is not displayed on the intelligent tester.
Skid Control ECU Communication Stop Mode
 Click here
"EPS" is not displayed on the intelligent tester.
Power Steering ECU Communication Stop Mode
 Click here
"Steering Angle Sensor" is not displayed on the intelligent tester.
Steering Angle Sensor Communication Stop Mode
 Click here
"Yaw Rate/Deceleration Sensor" is not displayed on the intelligent tester.
Yaw Rate Sensor Communication Stop Mode
 Click here
"Engine" is not displayed on the intelligent tester.
ECM Communication Stop Mode
 Click here
"Transmission Control" is not displayed on the intelligent tester.
Transmission Control ECU Communication Stop Mode
 Click here
"Main Body" is not displayed on the intelligent tester.
Main Body ECU Communication Stop Mode
 Click here
"Hybrid Control" and/or "Power Management 1" are not displayed on the intelligent tester.
Power Management Control ECU Communication Stop Mode
 Click here
"Combination Meter" is not displayed on the intelligent tester.
Combination Meter ECU Communication Stop Mode
 Click here
"Entry and Start/Wireless Tuner" is not displayed on the intelligent tester.
Certification ECU Communication Stop Mode
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"SRS Airbag" is not displayed on the intelligent tester.
Center Airbag Sensor Communication Stop Mode
 Click here
"AVN1" is not displayed on the intelligent tester.
Navigation ECU Communication Stop Mode
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