Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

Last Modified: 11-13-2015 6.6 T Doc ID: RM000004TIO025X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: PROBLEM SYMPTOMS TABLE; 2016 MY Tacoma
[08/2015 - ]
PROBLEM SYMPTOMS TABLE
HINT:
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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting
using How to Proceed with Troubleshooting when CAN communication system related DTCs are output
.
Result List of How to Proceed with Troubleshooting
SYMPTOM SUSPECTED AREA SEE
PAGE
The result of "How to Proceed with Troubleshooting" is
"Open in CAN Main Bus Line".
Open in CAN Main Bus Line (Includes DLC3
branch lines and terminating resistors)
The result of "How to Proceed with Troubleshooting" is
"Short in CAN Bus Lines".
Short in CAN Bus Lines
The result of "How to Proceed with Troubleshooting" is
"Short to +B in CAN Bus Line".
Short to +B in CAN Bus Line
The result of "How to Proceed with Troubleshooting" is
"Short to GND in CAN Bus Line".
Short to GND in CAN Bus Line
The result of "How to Proceed with Troubleshooting" is
"Open in One Side of CAN Branch Line".
Open in One Side of CAN Branch Line
HINT:
Refer to How to Proceed with Troubleshooting for the V bus check procedure.
Communication Stop Mode Table
SYMPTOM SUSPECTED AREA SEE
PAGE
"Skid Control (ABS/VSC/TRAC)" is not displayed on the
Techstream.
Skid Control ECU Communication Stop Mode
"Air Conditioning Amplifier" is not displayed on the
Techstream.
Air Conditioning Amplifier Communication
Stop Mode
"CAN Gateway1" is not displayed on the Techstream.*1 Gateway ECU Communication Stop Mode
"Spiral cable (Steering Angle Sensor)" is not displayed
on the Techstream.
Steering Angle Sensor Communication Stop
Mode
"ECM (Engine)" are not displayed on the Techstream. ECM Communication Stop Mode
"Main Body" is not displayed on the Techstream. Main Body ECU Communication Stop Mode
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