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ENGINE (J05E)/TROUBLESHOOTING
2–80
1.
Use the electrical tester to measure the terminating resistance of
DCU (53P).
NO
YES
4
Check the DCU (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
SHTS021270300063
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
DCU (53P):
CAH1
–
CAL1
120
10
Do the measurements meet the standard value?
Go to step 5.
Replace the DCU.
After replacing the DCU, 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.)