cican26.pdf

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05–2638
DIAGNOSTICS
–
CAN COMMUNICATION SYSTEM
05IFP–01
BATTERY ECU COMMUNICATION STOP MODE
MODE DESCRIPTION
Detection Item
Symptom
Trouble Area
”HV BATTERY” is not displayed on the ”BUS CHECK”
screen of the hand–held tester.
BATTERY ECU
COMMUNICA-
TION STOP
MODE
Applies to ”BATTERY ECU COMMUNICATION STOP
MODE” in the ”DTC COMBINATION TABLE” (see page
05–2605 ).
Power source or inside the battery ECU
WIRING DIAGRAM
Center Connector No.1
Driver Side J/B
Battery ECU
IGN
1
5
4
21
22
13
O
O
O
1J
1E
4G
4K
ID3
B11
IG2
6
6
B
B
4G
4I
Engine Room J/B
J2
J/C
AM2
IG2 Relay
1
4
1
W
W
W
3K
3I
IA1
A
1
2
A
J3
J/C
IGCT Relay
HEV
7
4
2
L
L
L
3J
IF1
B11
IGCT
1
2
A
A
J6
J/C
8
1
1
Y
G
G
3J
IF1
B11
AM
A
A
J30
J/C
P/I
1
1
12
3A
3M
W–B
W–B
2
1
B11
GND
A
A
F15
FL Block
1
B
B
BE1
BL
1
Battery
MAIN
G30904
2004 Prius – Preliminary Release (RM1075U)
Author:
Date:
2802
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05–2639
DIAGNOSTICS
–
CAN COMMUNICATION SYSTEM
INSPECTION PROCEDURE
1
CHECK WIRE HARNESS(AM,IGCT,IG2,GND)
(a)
Turn the power switch off.
Battery ECU Wire Harness View:
(b)
Measure the resistance according to the value(s) in the
table below.
(c)
Measure the voltage according to the value(s) in the table
below.
Standard:
Tester connection
IGCT
AM
IG2
GND
Condition
Specified condition
B11–12 (GND) –
Body ground
Always
Below 1
W
B11
G32404
B11–1 (AM) –
Body ground
Always
10 to 14 V
B11–2 (IGCT) –
Body ground
Power Switch ON (IG)
10 to 14 V
B11–13 (IG2) –
Body ground
Power Switch ON (IG)
10 to 14 V
NG
REPAIR OR REPLACE WIRE HARNESS OR
CONNECTOR
OK
REPLACE BATTERY ECU ASSY (SEE PAGE 21–98 )
2004 Prius – Preliminary Release (RM1075U)
Author:
Date:
2803
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