Certification ECU Communication Stop Mode [11/2017 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the O6 certification ECU (smart key ECU assembly) connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Certification ECU (Smart Key ECU Assembly))Standard Resistance
Tester Connection Condition Specified Condition O6-7 (CANH) - O6-8 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (CERTIFICATION ECU (SMART KEY 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.
*a Front view of wire harness connector
(to Certification ECU (Smart Key ECU Assembly))Standard Resistance
Tester Connection Condition Specified Condition O6-11 (E) - 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 O6-10 (+B) - Body ground Always 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2014 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.