ECM Communication Stop Mode [06/2016 - ]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the A33 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A33-19 (CANH) - A33-18 (CANL) Cable disconnected from negative (-) battery terminal 114 to 126 Ω TEXT IN ILLUSTRATION*a Front view of wire harness connector
(to ECM)
Result:
NG
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (ECM MAIN LINE)
Result:
OK
See step 2
- CHECK ECM POWER SOURCE CIRCUIT
- Check the ECM power source circuit (Refer to ECM Power Source Circuit [06/2016 - 03/2017] , or refer to ECM Power Source Circuit [03/2017 - ] ).
Result:
OK
REPLACE ECM
(Refer to REMOVAL [06/2016 - ] )
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)