ENGINE (J05E)/TROUBLESHOOTING
2–75
1.
Use the electrical tester to check the continuity between the follow-
ing terminals.
(1) Between the CAH1 terminal and CAL1 terminal in the DCU
(53P).
(2) Between the 1st terminal and 2nd terminal in the CAN_TMN.
NO
YES
4
Check the terminating resistance
CAH1
LF5
CAL1
LF6
CAH0
LEY
CAL0
LEZ
GND1
LET
GND4
LEW
+B2
LEP
GND2
LEU
GND5
LEX
+B3
LEQ
GND3
LEV
+B1
LEN
+B4
LER
TE1B
LF2
TE1A
LF1
TE2B
LF4
TE2A
LF3
ISGW
LES
CAH1
CAL1
SHTS021270300058
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
DCU (53P):
CAH1
–
CAL1
CAN_TMN:
1st
–
2nd
120
10
Do the measurements meet the standard value?
Go to step 5.
Replace the faulty part.
After replacing the part, confirm that no CAN
communication system DTC is detected.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)