Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK CAN BUS LINE FOR OPEN (STEERING ANGLE SENSOR BRANCH LINE)
2AD-FHV CAN COMMUNICATION SYSTEM (for RHD) - Steering Angle Sensor Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Steering Angle Sensor Communication Stop Mode | "Steering Angle Sensor" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Steering Angle Sensor Communication Stop Mode" in the "DTC COMBINATION TABLE" |
Power source circuit of the steering angle sensor Steering angle sensor branch line or connector Steering angle sensor |
- HINT:
- "Steering Angle Sensor" refers to the circuit that includes the steering angle sensor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK CAN BUS LINE FOR OPEN (STEERING ANGLE SENSOR BRANCH LINE) |

Turn the engine switch off.
Disconnect the steering angle sensor connector (J23).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J23-10 (CANH) - J23-9 (CANL) Engine switch off 54 to 69 Ω
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OK | |
2.CHECK WIRE HARNESS (IG, ESS) |

Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J23-2 (ESS) - 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 J23-1 (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