Restraints Occupant Classification System Module Communication Stop Mode [04/2018 -]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (OCCUPANT DETECTION ECU BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the R7 occupant detection ECU connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Occupant Detection ECU)Standard Resistance
Tester Connection Condition Specified Condition R7-5 (CANP) - R7-4 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (OCCUPANT DETECTION ECU)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Occupant Detection ECU)Standard Resistance
Tester Connection Condition Specified Condition R7-10 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω - 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 R7-6 (IG) - Body ground Engine switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE OCCUPANT DETECTION ECU. Refer to REMOVAL [04/2018 - 08/2021] , or refer to REMOVAL [08/2021 -]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.