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ENGINE (J05E)/TROUBLESHOOTING
2–78
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the following sensors and controllers connected to the
Engine_control/Diagnosis_CAN line.
•
DCU(53P), engine ECU, AT ECU, ABS ECU, vehicle control ECU,
HV PCU
3.
Use the electrical tester to check the continuity between the CAH1
terminal in the DCU vehicle-side connector (53P) and the 4th ter-
minal and 16th terminal in the diagnostic connector (16P).
NO
YES
2
Check for +B/GND short-circuit in CAN H-line
TE1B
LF2
TE1A
LF1
TE2B
LF4
TE2A
LF3
ISGW
LES
CAH0
LEY
CAH1
LF5
GND1
LET
+24V
K9G
CAN-
KS4
TC
KS2
DSW
KPZ
ISOK
K9E
CAN+
KS3
SGND
K9H
CGFR
L30
+
KE4
GND4
LEW
+B2
LEP
GND2
LEU
GND5
LEX
+B3
LEQ
GND3
LEV
+B1
LEN
+B4
LER
CAL1
LF6
CAL0
LEZ
SHTS021270300061
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
DCU vehicle-side
connector
–
Diag-
nostic connector
CAH1
–
4th
CAH1
–
16th
No Continuity
Do the measurements meet the standard value?
Go to step 3.