Highlander 4WD V6-3.5L (2GR-FE) (2008)
Information Bus: Testing and Inspection
LIN Communication System
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HOW TO PROCEED WITH TROUBLESHOOTING
HINT: *: Use 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 Techstream , inspect the CAN communication function to ensure there are no malfunctions in the communication system.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.
4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
(a) Using Techstream , inspect the LIN communication function to ensure there are no malfunctions in the communication system See:
Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- PROBLEM SYMPTOMS TABLE
C -- DIAGNOSTIC TROUBLE CODE CHART
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
How to Proceed With Troubleshooting
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HOW TO PROCEED WITH TROUBLESHOOTING
NOTICE:
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DTCs for the CAN communication system are as follows: U0073, U0100, U0123, U0124, U0126, U0129, U0230*2, U0327*1,
U1002*1*2 and B1499.
*1: w/ Smart key system
*2: w/ Power back door system
-
Refer to troubleshooting of each system if DTCs regarding the CAN communication system are not output.