ENGINE (J05E)/TROUBLESHOOTING
2–57
1.
Disconnect the engine ECU connector (both 2 connectors).
2.
Connect the signal check harness to the engine ECU vehicle-side
connector. (Do not connect harness to the ECU)
3.
Use electrical tester to measure the resistance between (CANH)
terminal and (CANL) terminal at the ECU check harness. These
circuits are identified as terminal E59 and terminal E79 on the
ECU check harness D.
NO
YES
5
Check harness in CAN bus line between engine ECU and J/C_ENG_CAN2 (Failure Site 7)
D
E79
E59
SHTS021270300036
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Signal check har-
ness (Engine ECU)
E59 (CANH)
–
E79 (CANL)
110
–
130
Do the measurements meet the standard value?
Go to step 6.
CAN bus line disconnection between engine
ECU and J/C_ENG_CAN2
Repair or replace the harness.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)