Center Airbag Sensor Communication Stop Mode [08/2021 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (AIRBAG ECU ASSEMBLY MAIN LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the G64 airbag ECU assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G64-26 (CANH) - G64-27 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω *a Front view of wire harness connector
(to Airbag ECU Assembly)Result
Result 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 G64-32 (E2) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω G64-33 (E1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω *a Front view of wire harness connector
(to Airbag ECU Assembly) - Reconnect the cable to the negative (-) battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition G64-36 (IG2) - Body ground Engine switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.