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ENGINE (J05E)/TROUBLESHOOTING
2–53
DISCONNECTION INSPECTION FOR ENGINE CAN_H COMMUNICATION L
LINE (250 k) [DIESEL]
EN01H02127030602016013
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the following sensors and controllers connected to the
Engine peripherals and aftertreatment CAN line. (Leave the DCU,
engine ECU, and CAN-TMN2 connected.)
•
EGR controller, VNT controller
•
NOx sensor 1 and 2, DEF sensor
3.
Disconnect the J/C DEF SSR connector.
4.
Use electrical tester to measure the resistance between No.5
(CANH) terminal and No.10 (CANL) terminal at the J/C DEF SSR
connector.
NO
YES
1
Check harness in CAN bus line between J/C DEF SSR and DCU (Failure Site 11)
SHTS021270300032
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
J/C DEF SSR con-
nector
No.5 (CANH)
–
No.10 (CANL)
110
–
130
Do the measurements meet the standard value?
Connect the J/C DEF SSR connector, and go
to step 2.
CAN bus line disconnection between J/C
DEF SSR and the DCU
Repair or replace the harness.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)