Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Center Airbag Sensor Communication Stop Mode: Procedure
- CHECK FOR OPEN IN CAN BUS WIRE (CENTER AIRBAG SENSOR BRANCH WIRE)
- Turn the engine switch off.
- Disconnect the center airbag sensor connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Rear view of wire harness connector
(to Center Airbag Sensor) - 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
NG → REPAIR OR REPLACE CENTER AIRBAG SENSOR BRANCH WIRE OR CONNECTOR (CANH, CANL)
OK: Go to next step
- CHECK WIRE HARNESS (POWER SOURCE CIRCUIT)
- 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 egg - Body ground Engine switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION*1 Rear view of wire harness connector
(to Center Airbag Sensor)
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
OK → See step 3
- Measure the resistance according to the value(s) in the table below.
- REPLACE CENTER AIRBAG SENSOR ASSEMBLY. Refer to REMOVAL
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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