Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK CAN BUS LINE FOR OPEN (SKID CONTROL ECU BRANCH LINE)
CHECK WIRE HARNESS (IG1, GND1)
CAN COMMUNICATION SYSTEM (for RHD) - Skid Control ECU Communication Stop Mode
DESCRIPTION
| Detection Item | Symptom | Trouble Area |
| Skid Control ECU Communication Stop Mode | ABS/VSC/TRC is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Skid Control ECU Communication Stop Mode" in the "DTC COMBINATION TABLE" | Power source circuit of the skid control ECU Skid control ECU branch line or connector Skid control ECU |
- HINT:
- "ABS/VSC/TRC" refers to the circuit that includes the skid control ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK CAN BUS LINE FOR OPEN (SKID CONTROL ECU BRANCH LINE) |
Turn the engine switch off.
Disconnect the skid control ECU connector (A14).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value A14-11 (CANH) - A14-25 (CANL) Engine switch on (IG) 54 to 69 Ω
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| OK | |
| 2.CHECK WIRE HARNESS (IG1, GND1) |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value A14-32 (GND1) - 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 A14-46 (IG1) - Body ground Engine switch on (IG) 10 to 14 V
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| OK | ||
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LEXUS IS250, IS220d / GSE20 ALE20