| Last Modified: 4-30-2014 | 6.6 D | Doc ID: RM000000WI6007X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2006 MY LX470 [05/2005 - ] | ||
HOW TO PROCEED WITH TROUBLESHOOTING
NOTICE:
- DTCs for the CAN communication system are as follows: U0073/42, U0100/65
- Refer to troubleshooting of each system if DTCs regarding the CAN communication system are not output.
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
- If the voltage is below 11 V, recharge or replace the battery before proceeding.
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3. |
CHECK AND CLEAR DTC |
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4. |
CHECK CAN BUS LINE |
(a)
Check CAN bus line
![2006 MY LX470 [05/2005 - ]; CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: CAN Bus Line+](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: CAN Bus Line+")
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5. |
CHECK INTELLIGENT TESTER VIA CAN VIM |
(a)
Select "BUS CHECK"
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Result |
Proceed |
|---|---|
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All ECUs connected to CAN communication system are displayed. |
A |
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An ECU not connected to CAN communication system is displayed. |
B |
NOTICE:
Non-installed ECUs are not displayed. Do not mistaken the ECU to be having a communication stop malfunction.
| B |
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COMMUNICATION STOP MODE TABLE |
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6. |
DTC COMBINATION TABLE |
(a) Confirm trouble according to the combination of output DTCs regarding the CAN communication system.
HINT:
Previous CAN communication system DTCs may be the cause if CAN communication system DTCs are output and all ECUs connected to the CAN communication system are displayed on the intelligent tester's "BUS CHECK" screen via CAN VIM.
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7. |
CIRCUIT INSPECTION |
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8. |
IDENTIFICATION OF PROBLEM |
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9. |
REPAIR OR REPLACE |
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10. |
CONFIRMATION TEST |
| NEXT |
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END |
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