Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK CAN BUS LINE FOR OPEN (DISTANCE CONTROL ECU BRANCH LINE)
CAN COMMUNICATION SYSTEM (for RHD) - Distance Control ECU Communication Stop Mode
DESCRIPTION
| Detection Item | Symptom | Trouble Area |
| Distance Control ECU Communication Stop Mode | "Cruise Control (ACC)" is not displayed on the "Communication Bus Check" screen of the intelligent tester. Applies to "Distance Control ECU Communication Stop Mode" in the "DTC COMBINATION TABLE" |
Power source circuit of the distance control ECU Distance control ECU branch line or connector Distance control ECU |
- HINT:
- "Cruise Control (ACC)" refers to the circuit that includes the distance control ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK CAN BUS LINE FOR OPEN (DISTANCE CONTROL ECU BRANCH LINE) |
Turn the engine switch off.
Disconnect the distance control ECU connector (J17).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J17-8 (CANH) - J17-9 (CANL) Engine switch off 54 to 69 Ω
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| OK | |
| 2.CHECK WIRE HARNESS (+B, GND) |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J17-12 (GND) - Body ground Always Below 1 Ω
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection Condition Specified Value J17-1 (+B) - Body ground Engine switch on (IG) 10 to 14 V
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| NG | ||
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