Nissan Sentra. Manual — part 666
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-17
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
25
(G)
Ground
ECM relay power sup-
ply
Output
Ignition switch OFF
(More than a few seconds after turning igni-
tion switch OFF)
0 – 1 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
6 – 16 V
26
(P)
Ground
ECM relay power sup-
ply
Output
Ignition switch OFF
(More than a few seconds after turning igni-
tion switch OFF)
0 – 1 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
6 – 16 V
27
(L)
Ground
Front combination
lamp LH/RH
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
9 – 16 V
28
(R)
Ground
Rear combination
lamp, license plate
lamp and illuminations
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
9 – 16 V
29
(L)
Ground
Front wiper HI
Output
Ignition
switch
ON
Front wiper switch OFF
0 – 1 V
Front wiper switch HI
9 – 16 V
31
(O)
Ground
ECM relay control
Output
Ignition switch OFF
(More than a few seconds after turning igni-
tion switch OFF)
6 – 16 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0 – 1 V
32
(Y)
Ground
ECM power supply
Output Ignition switch OFF
6 – 16 V
33
(V)
Ground
Illumination
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
9 – 16 V
35
(W)
Ground
Front wiper LO
Output
Ignition
switch
ON
Front wiper switch OFF
0 – 1 V
Front wiper switch LO
9 – 16 V
37
(SB)
Ground
Cranking request
Output
Ignition switch OFF
0 – 1 V
Ignition
switch
ON
Select lever P or N
Select lever in any position oth-
er than P or N
9 – 16 V
Engine running
39
(BR)
Ground
Front wiper stop posi-
tion
Input
Ignition
switch
ON
Front wiper stop position
0 – 1.5 V
Any position other than front
wiper stop position
9 – 16 V
40
(P)
Ground
CAN-L
Input/
Output
—
—
41
(L)
Ground
CAN-H
Input/
Output
—
—
42
(Y)
Ground
DTRL relay
Output
Lighting switch OFF
0 – 1 V
Lighting switch 1ST
9 – 16 V
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
PCS-18
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R (WITH I-KEY)]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
44
(V)
Ground
Starter relay control
Input
Ignition
switch
ON
Select lever P or N
6 – 16 V
Select lever in any position oth-
er than P or N
0 – 1 V
45
(Y)
Ground
Fuel pump relay con-
trol
Output
• Approximately 1 second after turning the
ignition switch ON
• Engine running
0 – 1 V
Approximately 1 second or more after turn-
ing the ignition switch ON
6 – 16 V
47
(G)
Ground
Power generation
command signal
Output
Ignition switch ON
6.3 V
40% is set on “ACTIVE TEST”, “ALTERNA-
TOR DUTY” of “ENGINE”
3.8 V
80% is set on “ACTIVE TEST”, “ALTERNA-
TOR DUTY” of “ENGINE”
1.4 V
48
(L)
Ground
Horn relay control
Output
The horn is deactivated
9 – 16 V
The horn is activated
0 – 1 V
52
(B/Y)
Ground
Ground
—
Ignition switch ON
0 – 1 V
53
(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
9 – 16 V
54
(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
9 – 16 V
57
(B/Y)
Ground
Ground
—
Ignition switch ON
0 – 1 V
58
(L)
Ground
Cooling fan relay-3
power supply
Output
Cooling fan OFF
0 – 1 V
Cooling fan LO operated
4 – 8 V
Cooling fan HI operated
9 – 16 V
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0001GB
JPMIA0002GB
JPMIA0003GB
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-19
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Fail-safe
INFOID:0000000009755814
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With ECM
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
62
(R)
Ground
Rear window defogger
relay power supply
Output
Ignition
switch
ON
Rear window defogger switch
OFF
0 – 1 V
Rear window defogger switch
ON
9 – 16 V
64
(Y)
Ground
CVT shift selector
(Detention switch)
Input
Ignition
switch
ON
Select lever P
Release select
button
0 – 1 V
Press select
button
9 – 16 V
Select lever in any position other than P
66
(L)
Ground
Push-button ignition
switch
Input
Press the push-button ignition switch
0 – 1 V
Release the push-button ignition switch
6 – 16 V
68
(O)
Ground
Ignition relay control
Input
Ignition switch OFF or ACC
6 – 16 V
Ignition switch ON
0 – 1 V
69
(BR)
Ground
Ignition power supply
No. 2
Output Ignition switch OFF or ACC
0 – 1 V
Ignition switch ON
6 – 16 V
Terminal NO.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
Control part
Fail-safe operation
Cooling fan
• The cooling fan relay turn ON when the ignition switch is turned ON (Cooling fan HI operation)
• The cooling fan relay turn OFF when the ignition switch is turned OFF
A/C compressor
A/C relay OFF
Alternator
Outputs the power generation command signal (PWM signal) 0%
Control part
Fail-safe operation
Headlamp
• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp high relay OFF
• Parking lamp
• License plate lamp
• Illumination
• Tail lamp
• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper motor
• The status just before activation of fail-safe control is maintained until the ignition switch is turned
OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-safe control is ac-
tivated while the front wiper is set in the INT mode and the front wiper motor is operating.
• Returns automatically wiper to stop position when ignition switch is turned ON if fail-safe control is
activated while front wiper motor is operated and wiper stop in the other position than stop position.
Front fog lamp
Front fog lamp relay OFF
Horn
Horn OFF
Ignition relay
The status just before activation of fail-safe is maintained.
Starter motor
Starter control relay OFF
PCS-20
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R (WITH I-KEY)]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
• 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 ignition switch is turned OFF.
NOTE:
The tail lamp turns OFF when the ignition switch is turned ON.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by a front wiper auto stop signal.
When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 second activation and 20 second stop five times.
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.
STARTER MOTOR PROTECTION FUNCTION
IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains
active for 90 seconds.
DTC Index
INFOID:0000000009755815
NOTE:
The details of TIME display are as follows.
• CRNT: The malfunctions that are detected now
• 1 - 39: The number is indicated when it is normal at present and a malfunction was detected in the past. It
increases like 0
→ 1 → 2 ··· 38 → 39 after returning to the normal condition whenever IGN OFF → ON. It is
fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is
detected again in the process.
DTC
Ignition switch
Ignition relay
Tail lamp relay
—
ON
ON
—
—
OFF
OFF
—
B2098: IGN RELAY ON
OFF
ON
ON (10 minutes)
B2099: IGN RELAY OFF
ON
OFF
—
Ignition switch
Front wiper switch
Auto stop signal
ON
OFF
Front wiper stop position signal cannot be
input 10 seconds.
ON
The signal does not change for 10 seconds.
CONSULT display
Fail-safe
TIME
NOTE
Refer to
No DTC is detected. Further testing may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
×
CRNT
1 – 39
B2098: IGN RELAY ON
×
CRNT
1 – 39
B2099: IGN RELAY OFF
—
CRNT
1 – 39
B209F: STR CUT OFF OPEN
—
CRNT
1 – 39
B20A0: STR CUT OFF SHORT
—
CRNT
1 – 39
B210B: PNP RELAY ON
—
CRNT
1 – 39
B210C: PNP RELAY OFF
—
CRNT
1 – 39
B210D: STARTER RELAY ON
—
CRNT
1 – 39
B210E: STARTER RELAY OFF
—
CRNT
1 – 39
B210F: INTRLCK/PNP SW ON
—
CRNT
1 – 39
B2110: INTRLCK/PNP SW OFF
—
CRNT
1 – 39
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