Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

Last Modified: 11-13-2015 6.6 J Doc ID: RM000000WIU0A0X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Check CAN Bus Line for Short to GND; 2016 MY
Tacoma [08/2015 - ]
Check CAN Bus Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between
terminals 6 (CANH) and 4 (CG) or 14 (CANL) and 4 (CG) of the DLC3.
SYMPTOM TROUBLE AREA
No resistance exists between terminals 6 (CANH) and 4
(CG) or 14 (CANL) and 4 (CG) of the DLC3.
Short ground in CAN main bus lines
Short ground in CAN branch lines
ECM
Main body ECU (Multiplex network body
ECU)
Air conditioning amplifier assembly
Airbag sensor assembly
Spiral cable with sensor sub-assembly
Combination meter assembly
Certification ECU (Smart key ECU
assembly)*1
4 wheel drive control ECU*2
Navigation receiver assembly*3
Radio and display receiver assembly*4
Network gateway ECU*5
Door control and tire pressure monitoring
system receiver assembly*6
Brake booster assembly (Skid control
ECU)*7
Brake actuator assembly (Skid control
ECU)*8
No. 1 CAN junction connector
No. 2 CAN junction connector
*1: w/ Smart Key System
*2: for 4WD
*3: for Navigation Receiver Type
*4: for Radio and Display Type
*5: w/ Blind Spot Monitor System or Intuitive Parking Assist System
*6: w/ Tire Pressure Warning System and Tire Inflation Pressure Display Function
*7: for Hydraulic Brake Booster
*8: for Vacuum Brake Booster
WIRING DIAGRAM
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