Center Airbag Sensor Communication Stop Mode [10/2018 - ]: Procedure
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- CHECK FOR OPEN IN CAN BUS LINES (AIRBAG ECU ASSEMBLY MAIN LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the airbag ECU assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F57-26 (CANH) - F57-27 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω *a Front view of wire harness connector
(to Airbag ECU Assembly)Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (AIRBAG ECU ASSEMBLY)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F57-32 (E2) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω F57-33 (E1) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω *a Front view of wire harness connector
(to Airbag ECU Assembly) - Reconnect the cable to the negative (-) auxiliary battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Switch Condition Specified Condition F57-36 (IG2) - Body ground Power switch on (IG) 11 to 14 V Result
Proceed to OK NG
Result:
OK
REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [10/2018 - 07/2022] , or refer to REMOVAL [07/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.