Sequoia 4WD V8-4.6L (1UR-FE) (2010)
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Information Bus: Initial Inspection and Diagnostic Overview
LIN Communication System
NETWORKING: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
*
Use these procedures to troubleshoot the LIN communication system.
*
*: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
HINT
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system See:
Reading and Clearing Diagnostic Trouble Codes.
B -- Go to CAN COMMUNICATION SYSTEM See: CAN Communication System/How to Proceed With Troubleshooting
A -- Continue to next step.
4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
(a) Using the Techstream, inspect the LIN communication function to ensure there are no malfunctions in the communication system.
B -- Go to DIAGNOSTIC TROUBLE CODE CHART See: Testing and Inspection/Diagnostic Trouble Code Descriptions/LIN
Communication System
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List/Active Test See: Scan Tool Testing and Procedures
(b) Terminals of ECU See: Pinout Values and Diagnostic Parameters/LIN Communication System
NEXT -- Continue to next step.
6. ADJUST, REPAIR OR REPLACE
NEXT -- END