Nissan Qashqai J11. Manual — part 489
EC9-112
< ECU DIAGNOSIS INFORMATION >
[R9M]
DC/DC CONVERTER
DC/DC CONVERTER
Reference Value
INFOID:0000000010309010
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• DC/DC converter is located behind the glove upper box assembly. For this inspection, remove passenger
side instrument lower panel.
• Specification data are reference values and are measured between each terminal and ground.
• Pulse signal is measured by CONSULT.
JSBIA5036GB
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
1
(LG)
2
(B)
Power supply input 1
Input
[Ignition switch: OFF]
9 - 13 V
2
(B)
—
Ground
—
—
—
3
(L)
2
(B)
Power supply input 2
Input
[Ignition switch: OFF]
9 - 13 V
4
(G)
2
(B)
Power supply output 1
Output
[Stop/start system operate]
• While cranking of restart
12 V
Except above
9 - 13 V
6
(W)
2
(B)
Power supply output 2
Output
[Stop/start system operate]
• While cranking of restart
12 V
Except above
9 - 13 V
7
(SB)
2
(B)
Engine communication line
Input/
Output
[Ignition switch: ON]
0 - 12 V
9
(LG)
2
(B)
Voltage stabilizer signal
Input
[Stop/start system operates]
• While cranking of restart
Less than 2 V
Except above
Battery voltage
JPBIA4273ZZ
JSBIA5055GB
DC/DC CONVERTER
EC9-113
< ECU DIAGNOSIS INFORMATION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
10
(R)
2
(B)
Ignition signal
Input
[Ignition switch: ON]
9 - 13 V
[Ignition switch: OFF]
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
EC9-114
< WIRING DIAGRAM >
[R9M]
ENGINE CONTROL SYSTEM
WIRING DIAGRAM
ENGINE CONTROL SYSTEM
Wiring Diagram
INFOID:0000000010309011
JRBWC6848GB
ENGINE CONTROL SYSTEM
EC9-115
< WIRING DIAGRAM >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
JRBWC5933GB
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