Lexus IS250 IS220d GSE20 ALE20 - CAN COMMUNICATION
CHECK CAN BUS LINE FOR OPEN (CENTER AIRBAG SENSOR BRANCH LINE)
CHECK WIRE HARNESS (IG2, E1, E2)
2AD-FHV CAN COMMUNICATION SYSTEM (for RHD) - Center Airbag Sensor Communication Stop Mode
DESCRIPTION
Detection Item | Symptom | Trouble Area |
Center Airbag Sensor Communication Stop Mode | "SRS Airbag" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Center Airbag Sensor Communication Stop Mode" in the "DTC COMBINATION TABLE" |
Power source circuit of the center airbag sensor Center airbag sensor branch line or connector Center airbag sensor |
- HINT:
- "SRS Airbag" refers to the circuit that includes the center airbag sensor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK CAN BUS LINE FOR OPEN (CENTER AIRBAG SENSOR BRANCH LINE) |

Turn the engine switch off.
Disconnect the center airbag sensor connector (J47).
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J47-13 (CANH) - J47-22 (CANL) Engine switch off 54 to 69 Ω
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OK | |
2.CHECK WIRE HARNESS (IG2, E1, E2) |

Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Value J47-25 (E1) - Body ground Always Below 1 Ω J47-26 (E2) - 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 J47-21 (IG2) - Body ground Engine switch on (IG) 10 to 14 V
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OK | ||
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