Nissan Leaf. Instruction — part 983
PCS
IPDM E/R
PCS-15
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
TERMINAL LAYOUT
PHYSICAL VALUES
JMMIA0617ZZ
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
1
(R)
Ground
Battery power supply
Input
Power switch OFF
Battery voltage
2
(G)
Ground
Battery power supply
Input
Power switch OFF
Battery voltage
9
(B)
Ground
Ground
—
Power switch ON
0 – 1 V
14
(R)
Ground
Rear window defogger
Output
Power
switch
ON
Rear window defogger switch
OFF
0 – 1 V
Rear window defogger switch
ON
Battery voltage
18
(B/W)
Ground
Ground
—
Power switch ON
0 – 1 V
19
(W)
Ground
Front fog lamp (RH)
Output
Lighting
switch
1ST, 2ND
or AUTO
Front fog lamp switch OFF
0 – 1 V
Front fog lamp switch ON
Battery voltage
20
(V)
Ground
Front fog lamp (LH)
Output
Lighting
switch
1ST, 2ND
or AUTO
Front fog lamp switch OFF
0 – 1 V
Front fog lamp switch ON
Battery voltage
PCS-16
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
IPDM E/R
25
(R)
Ground
Front wiper stop position
Input
Power
switch
ON
Front wiper stop position
0 – 1.5 V
Any position other than front
wiper stop position
Battery voltage
26
(P)
Ground
CAN-L
Input/
Output
—
—
27
(L)
Ground
CAN-H
Input/
Output
—
—
28
1
(G)
Ground
Daytime running light relay
control
Output
Daytime running light deactivated
Battery voltage
Daytime running light activated
0 – 1 V
32
(SB)
Ground
Hood switch
Input
Close the hood
Battery voltage
Open the hood
0 – 1 V
34
(R)
Ground
Vehicle security horn relay
control
Output
Vehicle security horn relay is deactivated
Battery voltage
Vehicle security horn relay is activated
0 – 1 V
35
(R)
Ground
VCM relay power supply
Output
Power switch OFF
(More than a few seconds after turning pow-
er switch OFF)
0 – 1 V
• Power switch ON
• Power switch OFF
(For a few seconds after turning power
switch OFF)
Battery voltage
38
2
(LG)
Ground
Rear combination lamp RH
and illumination
Output
Lighting switch OFF
0 – 1 V
38
3
(R)
Lighting switch 1ST
Battery voltage
39
(L)
Ground
Front wiper HI
Output
Power
switch
ON
Front wiper switch OFF
0 – 1 V
Front wiper switch HI
Battery voltage
41
(SB)
Ground
VCM relay control
Output
Power switch OFF
(More than a few seconds after turning pow-
er switch OFF)
Battery voltage
• Power switch ON
• Power switch OFF
(For a few seconds after turning power
switch OFF)
0 – 1 V
42
(BR)
Ground
VCM power supply
Output Power switch OFF
Battery voltage
43
(O)
Ground
Parking lamp LH
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
Battery voltage
44
(B)
Ground
Rear combination lamp LH
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
Battery voltage
45
(Y)
Ground
Front wiper LO
Output
Power
switch
ON
Front wiper switch OFF
0 – 1 V
Front wiper switch LO
Battery voltage
49
(Y)
Ground
Headlamp HI (RH)
Output
Lighting
switch
2ND or
AUTO
Lighting switch OFF
0 – 1 V
• Lighting switch HI
• Lighting switch PASS
Battery voltage
50
(G)
Ground
Headlamp HI (LH)
Output
Lighting
switch
2ND or
AUTO
Lighting switch OFF
0 – 1 V
• Lighting switch HI
• Lighting switch PASS
Battery voltage
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
PCS
IPDM E/R
PCS-17
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
1
: For Canada
2
: Without solar cell
3
: With solar cell
Fail-Safe
INFOID:0000000010120290
CAN COMMUNICATION CONTROL
When CAN communication with BCM is impossible, IPDM E/R performs fail-safe control. After CAN communi-
cation recovers normally, it also returns to normal control.
If No CAN Communication Is Available With BCM
51
(L)
Ground
Headlamp LO (LH)
Output
Lighting switch OFF
0 – 1 V
Lighting switch 2ND and AUTO (light is illu-
minated)
Battery voltage
52
(P)
Ground
Headlamp LO (RH)
Output
Lighting switch OFF
0 – 1 V
Lighting switch 2ND and AUTO (light is illu-
minated)
Battery voltage
55
(LG)
Ground
F/S relay power supply
Output
Power switch OFF
(More than a few seconds after turning pow-
er switch OFF)
0 – 1 V
• Power switch ON
• Power switch OFF
(For a few seconds after turning power
switch OFF)
Battery voltage
57
(R)
Ground
Ignition relay power supply
Output
Power switch OFF or ACC
0 – 1 V
Power switch ON
Battery voltage
58
(O)
Ground
Ignition relay power supply
Output
Power switch OFF or ACC
0 – 1 V
Power switch ON
Battery voltage
59
(BR)
Ground
PDM relay power supply
Output
Power switch OFF or ACC
0 – 1 V
Power switch ON
Battery voltage
60
(GR)
Ground
F/S relay control
Output
Power switch OFF or ACC
Battery voltage
Power switch ON
0 – 1 V
62
(V)
Ground
Ignition relay power supply
Output
Power switch OFF or ACC
0 – 1 V
Power switch ON
Battery voltage
64
(W)
Ground
Detent switch
Input
Power
switch
ON
Shift position in P position
0 – 1 V
Shift position in any position
other than P
Battery voltage
66
(W)
Ground
Power switch
Input
Press the power switch
0 – 1 V
Release the power switch
Battery voltage
68
(O)
Ground
Ignition relay control
Input
Power switch OFF or ACC
Battery voltage
Power switch ON
0 – 1 V
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
PCS-18
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
IPDM E/R
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
• IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation
coil circuit.
• If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to
alert the user to the ignition relay malfunction when the power switch is turned OFF.
FRONT WIPER PROTECTION FUNCTION
IPDM E/R detects front wiper stop position by a front wiper stop position signal.
When a front wiper stop position signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 seconds activation and 20 seconds stop.
NOTE:
This operation status can be confirmed on the IPDM E/R “Data Monitor” that displays “BLOCK” for the item
“WIP PROT” while the wiper is stopped.
DTC Index
INFOID:0000000010120291
NOTE:
• The details of time display are as follows.
- CRNT: A malfunction is detected now.
- PAST: A malfunction was detected in the past.
Control part
Fail-safe operation
Headlamp
• Turns ON the headlamp low relay when the power switch is turned ON
• Turns OFF the headlamp low relay when the power switch is turned OFF
• Headlamp high relay OFF
• Parking lamp
• License plate lamp
• Illumination
• Tail lamp
• Side marker lamp
• Turns ON the tail lamp relay when the power switch is turned ON
• Turns OFF the tail lamp relay when the power switch is turned OFF
Front wiper motor
• The status just before activation of fail-safe control is maintained until the power switch is turned OFF
while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the power switch is turned OFF if the fail-safe control is activated
while the front wiper is set in the INT mode and the front wiper motor is operating.
• Returns automatically wiper to stop position when power switch is turned ON if fail-safe control is acti-
vated while front wiper motor is operated and wiper stop in the other position than stop position.
• The status is held at service position if the fail-safe control is activated while the service position function
is operating.
Front fog lamp
Front fog lamp relay OFF
Rear window defogger
Rear window defogger relay OFF
Horn
Horn relay OFF
Ignition relay
The status just before activation of fail-safe is maintained.
Voltage judgment
IPDM E/R judgment
Operation
Ignition relay contact
side
Ignition relay excitation
coil side
ON
ON
Ignition relay ON normal
—
OFF
OFF
Ignition relay OFF normal
—
ON
OFF
Ignition relay ON stuck
• Detects DTC “B2098: IGN RELAY ON”
• Turns ON the tail lamp relay for 10 minutes
OFF
ON
Ignition relay OFF stuck
Detects DTC “B2099: IGN RELAY OFF”
Power switch
Front wiper switch
Front wiper stop position signal
ON
OFF
The front wiper stop position signal (stop position) cannot be input for 10 seconds.
ON
The front wiper stop position signal does not change for 10 seconds.
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