Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK WIRE HARNESS (BATT, ACC, IG, GND)
CAN COMMUNICATION SYSTEM (for LHD) - Gateway ECU Communication Stop Mode
DESCRIPTION
| Detection Item | Symptom | Trouble Area |
| Gateway ECU Communication Stop Mode | "Body/Gateway" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Gateway ECU Communication Stop Mode" in the "DTC COMBINATION TABLE" | Power source circuit of the gateway ECU Gateway ECU |
- HINT:
- "Body/Gateway" refers to the circuit that includes the gateway ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK WIRE HARNESS (BATT, ACC, IG, GND) |
Turn the engine switch off.
Disconnect the gateway ECU connector (J76).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J76-24 (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 J76-10 (BATT) - Body ground Always 10 to 14 V J76-2 (ACC) - Body ground Engine switch on (IG) 10 to 14 V J76-1 (IG) - Body ground Engine switch on (IG) 10 to 14 V
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| OK | ||
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LEXUS IS250, IS220d / GSE20 ALE20